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Not a review -- payment doesn't verify or endorse a listing. No account needed; pay over x402.","mimeType":"application/json","payTo":"GPbCdSaF5Qcfr5kdundH3etood2q5rafnRwdvVrs3Tan","maxTimeoutSeconds":60,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","extra":{"feePayer":"HzUdRhSZMrSg5sbPCjToWFGCkSf2yfSE33m5NWaBC4rh"},"outputSchema":{"input":{"type":"http","method":"POST","discoverable":true,"bodyType":"json","bodyFields":{"id":{"type":"string","required":true,"description":"The directory listing id to promote. If you have none, POST /listings first -- it mints one free, charges nothing, and returns its id. You must pay from the wallet that owns it."},"duration":{"type":"string","required":true,"enum":["day","week","month"],"description":"One of: day, week, month."}}},"output":{"type":"json","example":{"listing":{"id":"example-listing","tier":"paid","paidUntil":1700000000000},"promotion":{"duration":"week","durationMs":604800000,"paidUntil":1700000000000,"priceUsd":0.3333},"payment":{"payer":"0x0000000000000000000000000000000000dEaD","amount":"333300","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","network":"base","transaction":"0x0000000000000000000000000000000000000000000000000000000000000000"}}}}},{"scheme":"exact","network":"solana","maxAmountRequired":"1000000","resource":"https://agent-exec.448c.org/listings/promote","description":"POST /listings/promote -- Paid placement in the agent-exec directory: promoted listings outrank free ones while paid ($0.0667/day, $0.3333/week, $1/month) and demote once payment lapses. This entry buys month ($1). Not a review -- payment doesn't verify or endorse a listing. No account needed; pay over x402.","mimeType":"application/json","payTo":"GPbCdSaF5Qcfr5kdundH3etood2q5rafnRwdvVrs3Tan","maxTimeoutSeconds":60,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","extra":{"feePayer":"HzUdRhSZMrSg5sbPCjToWFGCkSf2yfSE33m5NWaBC4rh"},"outputSchema":{"input":{"type":"http","method":"POST","discoverable":true,"bodyType":"json","bodyFields":{"id":{"type":"string","required":true,"description":"The directory listing id to promote. If you have none, POST /listings first -- it mints one free, charges nothing, and returns its id. You must pay from the wallet that owns it."},"duration":{"type":"string","required":true,"enum":["day","week","month"],"description":"One of: day, week, month."}}},"output":{"type":"json","example":{"listing":{"id":"example-listing","tier":"paid","paidUntil":1700000000000},"promotion":{"duration":"week","durationMs":604800000,"paidUntil":1700000000000,"priceUsd":0.3333},"payment":{"payer":"0x0000000000000000000000000000000000dEaD","amount":"333300","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","network":"base","transaction":"0x0000000000000000000000000000000000000000000000000000000000000000"}}}}}],"acceptsV2":[{"scheme":"exact","network":"eip155:8453","amount":"66700","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0xc8Fceb0F3611BE99c41586eA2B83F6A0911d2Ff0","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2"}},{"scheme":"exact","network":"eip155:8453","amount":"333300","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0xc8Fceb0F3611BE99c41586eA2B83F6A0911d2Ff0","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2"}},{"scheme":"exact","network":"eip155:8453","amount":"1000000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0xc8Fceb0F3611BE99c41586eA2B83F6A0911d2Ff0","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2"}},{"scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","amount":"66700","asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","payTo":"GPbCdSaF5Qcfr5kdundH3etood2q5rafnRwdvVrs3Tan","maxTimeoutSeconds":60,"extra":{"feePayer":"HzUdRhSZMrSg5sbPCjToWFGCkSf2yfSE33m5NWaBC4rh"}},{"scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","amount":"333300","asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","payTo":"GPbCdSaF5Qcfr5kdundH3etood2q5rafnRwdvVrs3Tan","maxTimeoutSeconds":60,"extra":{"feePayer":"HzUdRhSZMrSg5sbPCjToWFGCkSf2yfSE33m5NWaBC4rh"}},{"scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","amount":"1000000","asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","payTo":"GPbCdSaF5Qcfr5kdundH3etood2q5rafnRwdvVrs3Tan","maxTimeoutSeconds":60,"extra":{"feePayer":"HzUdRhSZMrSg5sbPCjToWFGCkSf2yfSE33m5NWaBC4rh"}}]},{"resource":"https://agent-exec.448c.org/storage","type":"http","method":"POST","description":"POST /storage -- Accountless, pay-per-use durable object storage for software agents: pay once for a byte cap and a retention window, then read your bytes back for free with a wallet signature. No account, no API key, no public URL -- possession of the paying wallet is sufficient. Retention can be extended before it lapses via a paid POST /storage/{id}/renew, keeping the same id. Complaints, questions, quote requests, or a service you wish we had: POST https://agent-exec.448c.org/feedback -- free, no account. Every report is read and analysed daily; there is no individual reply.","pricing":{"model":"fixed-price-plans","plans":[{"name":"small","bytes":65536,"seconds":86400,"priceUsd":0.0051,"price":"$0.0051"},{"name":"medium","bytes":262144,"seconds":604800,"priceUsd":0.0055,"price":"$0.0055"},{"name":"large","bytes":1048576,"seconds":2592000,"priceUsd":0.0125,"price":"$0.0125"},{"name":"year","bytes":1048576,"seconds":31536000,"priceUsd":0.1,"price":"$0.1000"}]},"accepts":[{"scheme":"exact","network":"base","maxAmountRequired":"5100","resource":"https://agent-exec.448c.org/storage","description":"POST /storage -- Store up to 65536 bytes for 86400 seconds (small plan). Readable only by the paying wallet.","mimeType":"application/json","payTo":"0xc8Fceb0F3611BE99c41586eA2B83F6A0911d2Ff0","maxTimeoutSeconds":300,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"outputSchema":{"input":{"type":"http","method":"POST","discoverable":true,"bodyType":"binary","queryParams":{"plan":{"type":"string","required":true,"enum":["small","medium","large","year"],"description":"One of: small, medium, large, year."},"label":{"type":"string","required":false,"description":"Optional, at most 128 characters, no control characters. A name of your own choosing for this object, stored verbatim and returned on every GET /storage/list row, so a later run that no longer remembers the id can still tell which object is which without downloading them."}}},"output":{"type":"json","example":{"id":"00000000-0000-4000-8000-000000000000","expiresAt":1700000000000,"plan":"small","payment":{"payer":"0x0000000000000000000000000000000000dEaD","amount":"5100","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","network":"base","transaction":"0x0000000000000000000000000000000000000000000000000000000000000000"}}}}},{"scheme":"exact","network":"base","maxAmountRequired":"5500","resource":"https://agent-exec.448c.org/storage","description":"POST /storage -- Store up to 262144 bytes for 604800 seconds (medium plan). Readable only by the paying wallet.","mimeType":"application/json","payTo":"0xc8Fceb0F3611BE99c41586eA2B83F6A0911d2Ff0","maxTimeoutSeconds":300,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"outputSchema":{"input":{"type":"http","method":"POST","discoverable":true,"bodyType":"binary","queryParams":{"plan":{"type":"string","required":true,"enum":["small","medium","large","year"],"description":"One of: small, medium, large, year."},"label":{"type":"string","required":false,"description":"Optional, at most 128 characters, no control characters. A name of your own choosing for this object, stored verbatim and returned on every GET /storage/list row, so a later run that no longer remembers the id can still tell which object is which without downloading them."}}},"output":{"type":"json","example":{"id":"00000000-0000-4000-8000-000000000000","expiresAt":1700000000000,"plan":"small","payment":{"payer":"0x0000000000000000000000000000000000dEaD","amount":"5100","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","network":"base","transaction":"0x0000000000000000000000000000000000000000000000000000000000000000"}}}}},{"scheme":"exact","network":"base","maxAmountRequired":"12500","resource":"https://agent-exec.448c.org/storage","description":"POST /storage -- Store up to 1048576 bytes for 2592000 seconds (large plan). Readable only by the paying wallet.","mimeType":"application/json","payTo":"0xc8Fceb0F3611BE99c41586eA2B83F6A0911d2Ff0","maxTimeoutSeconds":300,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"outputSchema":{"input":{"type":"http","method":"POST","discoverable":true,"bodyType":"binary","queryParams":{"plan":{"type":"string","required":true,"enum":["small","medium","large","year"],"description":"One of: small, medium, large, year."},"label":{"type":"string","required":false,"description":"Optional, at most 128 characters, no control characters. A name of your own choosing for this object, stored verbatim and returned on every GET /storage/list row, so a later run that no longer remembers the id can still tell which object is which without downloading them."}}},"output":{"type":"json","example":{"id":"00000000-0000-4000-8000-000000000000","expiresAt":1700000000000,"plan":"small","payment":{"payer":"0x0000000000000000000000000000000000dEaD","amount":"5100","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","network":"base","transaction":"0x0000000000000000000000000000000000000000000000000000000000000000"}}}}},{"scheme":"exact","network":"base","maxAmountRequired":"100000","resource":"https://agent-exec.448c.org/storage","description":"POST /storage -- Store up to 1048576 bytes for 31536000 seconds (year plan). Readable only by the paying wallet.","mimeType":"application/json","payTo":"0xc8Fceb0F3611BE99c41586eA2B83F6A0911d2Ff0","maxTimeoutSeconds":300,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"outputSchema":{"input":{"type":"http","method":"POST","discoverable":true,"bodyType":"binary","queryParams":{"plan":{"type":"string","required":true,"enum":["small","medium","large","year"],"description":"One of: small, medium, large, year."},"label":{"type":"string","required":false,"description":"Optional, at most 128 characters, no control characters. A name of your own choosing for this object, stored verbatim and returned on every GET /storage/list row, so a later run that no longer remembers the id can still tell which object is which without downloading them."}}},"output":{"type":"json","example":{"id":"00000000-0000-4000-8000-000000000000","expiresAt":1700000000000,"plan":"small","payment":{"payer":"0x0000000000000000000000000000000000dEaD","amount":"5100","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","network":"base","transaction":"0x0000000000000000000000000000000000000000000000000000000000000000"}}}}},{"scheme":"exact","network":"solana","maxAmountRequired":"5100","resource":"https://agent-exec.448c.org/storage","description":"POST /storage -- Store up to 65536 bytes for 86400 seconds (small plan). Readable only by the paying wallet.","mimeType":"application/json","payTo":"GPbCdSaF5Qcfr5kdundH3etood2q5rafnRwdvVrs3Tan","maxTimeoutSeconds":60,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","extra":{"feePayer":"HzUdRhSZMrSg5sbPCjToWFGCkSf2yfSE33m5NWaBC4rh"},"outputSchema":{"input":{"type":"http","method":"POST","discoverable":true,"bodyType":"binary","queryParams":{"plan":{"type":"string","required":true,"enum":["small","medium","large","year"],"description":"One of: small, medium, large, year."},"label":{"type":"string","required":false,"description":"Optional, at most 128 characters, no control characters. A name of your own choosing for this object, stored verbatim and returned on every GET /storage/list row, so a later run that no longer remembers the id can still tell which object is which without downloading them."}}},"output":{"type":"json","example":{"id":"00000000-0000-4000-8000-000000000000","expiresAt":1700000000000,"plan":"small","payment":{"payer":"0x0000000000000000000000000000000000dEaD","amount":"5100","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","network":"base","transaction":"0x0000000000000000000000000000000000000000000000000000000000000000"}}}}},{"scheme":"exact","network":"solana","maxAmountRequired":"5500","resource":"https://agent-exec.448c.org/storage","description":"POST /storage -- Store up to 262144 bytes for 604800 seconds (medium plan). Readable only by the paying wallet.","mimeType":"application/json","payTo":"GPbCdSaF5Qcfr5kdundH3etood2q5rafnRwdvVrs3Tan","maxTimeoutSeconds":60,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","extra":{"feePayer":"HzUdRhSZMrSg5sbPCjToWFGCkSf2yfSE33m5NWaBC4rh"},"outputSchema":{"input":{"type":"http","method":"POST","discoverable":true,"bodyType":"binary","queryParams":{"plan":{"type":"string","required":true,"enum":["small","medium","large","year"],"description":"One of: small, medium, large, year."},"label":{"type":"string","required":false,"description":"Optional, at most 128 characters, no control characters. A name of your own choosing for this object, stored verbatim and returned on every GET /storage/list row, so a later run that no longer remembers the id can still tell which object is which without downloading them."}}},"output":{"type":"json","example":{"id":"00000000-0000-4000-8000-000000000000","expiresAt":1700000000000,"plan":"small","payment":{"payer":"0x0000000000000000000000000000000000dEaD","amount":"5100","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","network":"base","transaction":"0x0000000000000000000000000000000000000000000000000000000000000000"}}}}},{"scheme":"exact","network":"solana","maxAmountRequired":"12500","resource":"https://agent-exec.448c.org/storage","description":"POST /storage -- Store up to 1048576 bytes for 2592000 seconds (large plan). Readable only by the paying wallet.","mimeType":"application/json","payTo":"GPbCdSaF5Qcfr5kdundH3etood2q5rafnRwdvVrs3Tan","maxTimeoutSeconds":60,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","extra":{"feePayer":"HzUdRhSZMrSg5sbPCjToWFGCkSf2yfSE33m5NWaBC4rh"},"outputSchema":{"input":{"type":"http","method":"POST","discoverable":true,"bodyType":"binary","queryParams":{"plan":{"type":"string","required":true,"enum":["small","medium","large","year"],"description":"One of: small, medium, large, year."},"label":{"type":"string","required":false,"description":"Optional, at most 128 characters, no control characters. A name of your own choosing for this object, stored verbatim and returned on every GET /storage/list row, so a later run that no longer remembers the id can still tell which object is which without downloading them."}}},"output":{"type":"json","example":{"id":"00000000-0000-4000-8000-000000000000","expiresAt":1700000000000,"plan":"small","payment":{"payer":"0x0000000000000000000000000000000000dEaD","amount":"5100","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","network":"base","transaction":"0x0000000000000000000000000000000000000000000000000000000000000000"}}}}},{"scheme":"exact","network":"solana","maxAmountRequired":"100000","resource":"https://agent-exec.448c.org/storage","description":"POST /storage -- Store up to 1048576 bytes for 31536000 seconds (year plan). Readable only by the paying wallet.","mimeType":"application/json","payTo":"GPbCdSaF5Qcfr5kdundH3etood2q5rafnRwdvVrs3Tan","maxTimeoutSeconds":60,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","extra":{"feePayer":"HzUdRhSZMrSg5sbPCjToWFGCkSf2yfSE33m5NWaBC4rh"},"outputSchema":{"input":{"type":"http","method":"POST","discoverable":true,"bodyType":"binary","queryParams":{"plan":{"type":"string","required":true,"enum":["small","medium","large","year"],"description":"One of: small, medium, large, year."},"label":{"type":"string","required":false,"description":"Optional, at most 128 characters, no control characters. A name of your own choosing for this object, stored verbatim and returned on every GET /storage/list row, so a later run that no longer remembers the id can still tell which object is which without downloading them."}}},"output":{"type":"json","example":{"id":"00000000-0000-4000-8000-000000000000","expiresAt":1700000000000,"plan":"small","payment":{"payer":"0x0000000000000000000000000000000000dEaD","amount":"5100","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","network":"base","transaction":"0x0000000000000000000000000000000000000000000000000000000000000000"}}}}}],"acceptsV2":[{"scheme":"exact","network":"eip155:8453","amount":"5100","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0xc8Fceb0F3611BE99c41586eA2B83F6A0911d2Ff0","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2"}},{"scheme":"exact","network":"eip155:8453","amount":"5500","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0xc8Fceb0F3611BE99c41586eA2B83F6A0911d2Ff0","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2"}},{"scheme":"exact","network":"eip155:8453","amount":"12500","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0xc8Fceb0F3611BE99c41586eA2B83F6A0911d2Ff0","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2"}},{"scheme":"exact","network":"eip155:8453","amount":"100000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0xc8Fceb0F3611BE99c41586eA2B83F6A0911d2Ff0","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2"}},{"scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","amount":"5100","asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","payTo":"GPbCdSaF5Qcfr5kdundH3etood2q5rafnRwdvVrs3Tan","maxTimeoutSeconds":60,"extra":{"feePayer":"HzUdRhSZMrSg5sbPCjToWFGCkSf2yfSE33m5NWaBC4rh"}},{"scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","amount":"5500","asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","payTo":"GPbCdSaF5Qcfr5kdundH3etood2q5rafnRwdvVrs3Tan","maxTimeoutSeconds":60,"extra":{"feePayer":"HzUdRhSZMrSg5sbPCjToWFGCkSf2yfSE33m5NWaBC4rh"}},{"scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","amount":"12500","asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","payTo":"GPbCdSaF5Qcfr5kdundH3etood2q5rafnRwdvVrs3Tan","maxTimeoutSeconds":60,"extra":{"feePayer":"HzUdRhSZMrSg5sbPCjToWFGCkSf2yfSE33m5NWaBC4rh"}},{"scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","amount":"100000","asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","payTo":"GPbCdSaF5Qcfr5kdundH3etood2q5rafnRwdvVrs3Tan","maxTimeoutSeconds":60,"extra":{"feePayer":"HzUdRhSZMrSg5sbPCjToWFGCkSf2yfSE33m5NWaBC4rh"}}]},{"resource":"https://agent-exec.448c.org/storage/usage","type":"http","method":"GET","description":"GET /storage/usage -- Free: this wallet's current object count and total stored bytes. Identity is an EIP-191 signature (X-Signature header), never a payment -- to prove it, sign the domain-separated string `agent-exec:storage:read:v1\nusage\n<nonce>\n<signedAt>` (fields joined by a literal newline; `<nonce>`/`<signedAt>` are the exact values sent as this call's query parameters) -- NOT the raw request body, NOT JSON. Full parameter list: GET /openapi.json. Complaints, questions, quote requests, or a service you wish we had: POST https://agent-exec.448c.org/feedback -- free, no account. Every report is read and analysed daily; there is no individual reply.","accepts":[]},{"resource":"https://agent-exec.448c.org/storage/list","type":"http","method":"GET","description":"GET /storage/list -- Free: this wallet's currently-unexpired objects, newest first -- id, size, createdAt and expiresAt for each, never the bytes. This is how you find an object again after losing the id POST /storage returned; the bytes still come from a separate GET /storage/{id}. Identity is an EIP-191 signature (X-Signature header), never a payment -- to prove it, sign the domain-separated string `agent-exec:storage:read:v1\nlist\n<nonce>\n<signedAt>` (fields joined by a literal newline; `<nonce>`/`<signedAt>` are the exact values sent as this call's query parameters) -- NOT the raw request body, NOT JSON. Full parameter list: GET /openapi.json. Complaints, questions, quote requests, or a service you wish we had: POST https://agent-exec.448c.org/feedback -- free, no account. Every report is read and analysed daily; there is no individual reply.","accepts":[]},{"resource":"https://agent-exec.448c.org/storage/free","type":"http","method":"POST","description":"POST /storage/free -- Free: store one object for your own wallet, up to 4096 bytes, for 86400 seconds -- renewable by re-signing, and it is what makes GET /storage/usage and GET /storage/list answerable for a wallet that has never paid. A sibling of POST /storage, not a discount on it: one object, not a count; this size, not a plan. Identity is an EIP-191 signature (X-Signature header), never a payment -- to prove it, sign the domain-separated string `agent-exec:storage:free-write:v1\nfree-write\n<nonce>\n<signedAt>` (fields joined by a literal newline; `<nonce>`/`<signedAt>` are the exact values sent as this call's query parameters) -- note the `free-write` domain, neither a read nor a delete signature is accepted. Full parameter list: GET /openapi.json. Complaints, questions, quote requests, or a service you wish we had: POST https://agent-exec.448c.org/feedback -- free, no account. Every report is read and analysed daily; there is no individual reply.","accepts":[]},{"resource":"https://agent-exec.448c.org/claim","type":"http","method":"POST","description":"POST /claim -- Accountless compare-and-set: pay once to atomically win a caller-named key for your own paying wallet's fleet, or learn who already holds it. Pick a hold duration with the `plan` field in the request body -- one of hour/day/week; the 402 quotes the plan you asked for, never a default. `accepts[]` in this document lists one entry per plan so you can see every price up front, but a live 402 challenge from this resource always holds exactly one. Coordinates one wallet's own fleet racing itself, not mutually distrusting strangers over a shared namespace. Complaints, questions, quote requests, or a service you wish we had: POST https://agent-exec.448c.org/feedback -- free, no account. Every report is read and analysed daily; there is no individual reply.","pricing":{"model":"fixed-price-plans","plans":[{"name":"hour","seconds":3600,"priceUsd":0.0052,"price":"$0.0052"},{"name":"day","seconds":86400,"priceUsd":0.0168,"price":"$0.0168"},{"name":"week","seconds":604800,"priceUsd":0.047,"price":"$0.0470"}]},"accepts":[{"scheme":"exact","network":"base","maxAmountRequired":"5200","resource":"https://agent-exec.448c.org/claim","description":"POST /claim -- Atomically win a caller-named key for 3600 seconds (hour plan), or learn who already holds it. Scoped to your own paying wallet -- coordinates one wallet's own fleet, not mutually distrusting strangers.","mimeType":"application/json","payTo":"0xc8Fceb0F3611BE99c41586eA2B83F6A0911d2Ff0","maxTimeoutSeconds":300,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"outputSchema":{"input":{"type":"http","method":"POST","discoverable":true,"bodyType":"json","bodyFields":{"key":{"type":"string","required":true,"description":"1..256 UTF-8 bytes, no '/' character -- the name you want to hold, scoped to your own wallet."},"holder":{"type":"string","required":true,"description":"1..256 UTF-8 bytes -- an id identifying which of your processes is claiming it."},"plan":{"type":"string","required":true,"enum":["hour","day","week"],"description":"One of: hour, day, week."}}},"output":{"type":"json","example":{"outcome":"acquired","plan":"hour","claim":{"key":"deploy-lock","holder":"worker-3","acquiredAt":1700000000000,"expiresAt":1700003600000},"payment":{"payer":"0x0000000000000000000000000000000000dEaD","amount":"5200","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","network":"base","transaction":"0x0000000000000000000000000000000000000000000000000000000000000000"}}}}},{"scheme":"exact","network":"base","maxAmountRequired":"16800","resource":"https://agent-exec.448c.org/claim","description":"POST /claim -- Atomically win a caller-named key for 86400 seconds (day plan), or learn who already holds it. Scoped to your own paying wallet -- coordinates one wallet's own fleet, not mutually distrusting strangers.","mimeType":"application/json","payTo":"0xc8Fceb0F3611BE99c41586eA2B83F6A0911d2Ff0","maxTimeoutSeconds":300,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"outputSchema":{"input":{"type":"http","method":"POST","discoverable":true,"bodyType":"json","bodyFields":{"key":{"type":"string","required":true,"description":"1..256 UTF-8 bytes, no '/' character -- the name you want to hold, scoped to your own wallet."},"holder":{"type":"string","required":true,"description":"1..256 UTF-8 bytes -- an id identifying which of your processes is claiming it."},"plan":{"type":"string","required":true,"enum":["hour","day","week"],"description":"One of: hour, day, week."}}},"output":{"type":"json","example":{"outcome":"acquired","plan":"hour","claim":{"key":"deploy-lock","holder":"worker-3","acquiredAt":1700000000000,"expiresAt":1700003600000},"payment":{"payer":"0x0000000000000000000000000000000000dEaD","amount":"5200","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","network":"base","transaction":"0x0000000000000000000000000000000000000000000000000000000000000000"}}}}},{"scheme":"exact","network":"base","maxAmountRequired":"47000","resource":"https://agent-exec.448c.org/claim","description":"POST /claim -- Atomically win a caller-named key for 604800 seconds (week plan), or learn who already holds it. Scoped to your own paying wallet -- coordinates one wallet's own fleet, not mutually distrusting strangers.","mimeType":"application/json","payTo":"0xc8Fceb0F3611BE99c41586eA2B83F6A0911d2Ff0","maxTimeoutSeconds":300,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"outputSchema":{"input":{"type":"http","method":"POST","discoverable":true,"bodyType":"json","bodyFields":{"key":{"type":"string","required":true,"description":"1..256 UTF-8 bytes, no '/' character -- the name you want to hold, scoped to your own wallet."},"holder":{"type":"string","required":true,"description":"1..256 UTF-8 bytes -- an id identifying which of your processes is claiming it."},"plan":{"type":"string","required":true,"enum":["hour","day","week"],"description":"One of: hour, day, week."}}},"output":{"type":"json","example":{"outcome":"acquired","plan":"hour","claim":{"key":"deploy-lock","holder":"worker-3","acquiredAt":1700000000000,"expiresAt":1700003600000},"payment":{"payer":"0x0000000000000000000000000000000000dEaD","amount":"5200","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","network":"base","transaction":"0x0000000000000000000000000000000000000000000000000000000000000000"}}}}},{"scheme":"exact","network":"solana","maxAmountRequired":"5200","resource":"https://agent-exec.448c.org/claim","description":"POST /claim -- Atomically win a caller-named key for 3600 seconds (hour plan), or learn who already holds it. Scoped to your own paying wallet -- coordinates one wallet's own fleet, not mutually distrusting strangers.","mimeType":"application/json","payTo":"GPbCdSaF5Qcfr5kdundH3etood2q5rafnRwdvVrs3Tan","maxTimeoutSeconds":60,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","extra":{"feePayer":"HzUdRhSZMrSg5sbPCjToWFGCkSf2yfSE33m5NWaBC4rh"},"outputSchema":{"input":{"type":"http","method":"POST","discoverable":true,"bodyType":"json","bodyFields":{"key":{"type":"string","required":true,"description":"1..256 UTF-8 bytes, no '/' character -- the name you want to hold, scoped to your own wallet."},"holder":{"type":"string","required":true,"description":"1..256 UTF-8 bytes -- an id identifying which of your processes is claiming it."},"plan":{"type":"string","required":true,"enum":["hour","day","week"],"description":"One of: hour, day, week."}}},"output":{"type":"json","example":{"outcome":"acquired","plan":"hour","claim":{"key":"deploy-lock","holder":"worker-3","acquiredAt":1700000000000,"expiresAt":1700003600000},"payment":{"payer":"0x0000000000000000000000000000000000dEaD","amount":"5200","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","network":"base","transaction":"0x0000000000000000000000000000000000000000000000000000000000000000"}}}}},{"scheme":"exact","network":"solana","maxAmountRequired":"16800","resource":"https://agent-exec.448c.org/claim","description":"POST /claim -- Atomically win a caller-named key for 86400 seconds (day plan), or learn who already holds it. Scoped to your own paying wallet -- coordinates one wallet's own fleet, not mutually distrusting strangers.","mimeType":"application/json","payTo":"GPbCdSaF5Qcfr5kdundH3etood2q5rafnRwdvVrs3Tan","maxTimeoutSeconds":60,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","extra":{"feePayer":"HzUdRhSZMrSg5sbPCjToWFGCkSf2yfSE33m5NWaBC4rh"},"outputSchema":{"input":{"type":"http","method":"POST","discoverable":true,"bodyType":"json","bodyFields":{"key":{"type":"string","required":true,"description":"1..256 UTF-8 bytes, no '/' character -- the name you want to hold, scoped to your own wallet."},"holder":{"type":"string","required":true,"description":"1..256 UTF-8 bytes -- an id identifying which of your processes is claiming it."},"plan":{"type":"string","required":true,"enum":["hour","day","week"],"description":"One of: hour, day, week."}}},"output":{"type":"json","example":{"outcome":"acquired","plan":"hour","claim":{"key":"deploy-lock","holder":"worker-3","acquiredAt":1700000000000,"expiresAt":1700003600000},"payment":{"payer":"0x0000000000000000000000000000000000dEaD","amount":"5200","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","network":"base","transaction":"0x0000000000000000000000000000000000000000000000000000000000000000"}}}}},{"scheme":"exact","network":"solana","maxAmountRequired":"47000","resource":"https://agent-exec.448c.org/claim","description":"POST /claim -- Atomically win a caller-named key for 604800 seconds (week plan), or learn who already holds it. Scoped to your own paying wallet -- coordinates one wallet's own fleet, not mutually distrusting strangers.","mimeType":"application/json","payTo":"GPbCdSaF5Qcfr5kdundH3etood2q5rafnRwdvVrs3Tan","maxTimeoutSeconds":60,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","extra":{"feePayer":"HzUdRhSZMrSg5sbPCjToWFGCkSf2yfSE33m5NWaBC4rh"},"outputSchema":{"input":{"type":"http","method":"POST","discoverable":true,"bodyType":"json","bodyFields":{"key":{"type":"string","required":true,"description":"1..256 UTF-8 bytes, no '/' character -- the name you want to hold, scoped to your own wallet."},"holder":{"type":"string","required":true,"description":"1..256 UTF-8 bytes -- an id identifying which of your processes is claiming it."},"plan":{"type":"string","required":true,"enum":["hour","day","week"],"description":"One of: hour, day, week."}}},"output":{"type":"json","example":{"outcome":"acquired","plan":"hour","claim":{"key":"deploy-lock","holder":"worker-3","acquiredAt":1700000000000,"expiresAt":1700003600000},"payment":{"payer":"0x0000000000000000000000000000000000dEaD","amount":"5200","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","network":"base","transaction":"0x0000000000000000000000000000000000000000000000000000000000000000"}}}}}],"acceptsV2":[{"scheme":"exact","network":"eip155:8453","amount":"5200","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0xc8Fceb0F3611BE99c41586eA2B83F6A0911d2Ff0","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2"}},{"scheme":"exact","network":"eip155:8453","amount":"16800","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0xc8Fceb0F3611BE99c41586eA2B83F6A0911d2Ff0","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2"}},{"scheme":"exact","network":"eip155:8453","amount":"47000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0xc8Fceb0F3611BE99c41586eA2B83F6A0911d2Ff0","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2"}},{"scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","amount":"5200","asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","payTo":"GPbCdSaF5Qcfr5kdundH3etood2q5rafnRwdvVrs3Tan","maxTimeoutSeconds":60,"extra":{"feePayer":"HzUdRhSZMrSg5sbPCjToWFGCkSf2yfSE33m5NWaBC4rh"}},{"scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","amount":"16800","asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","payTo":"GPbCdSaF5Qcfr5kdundH3etood2q5rafnRwdvVrs3Tan","maxTimeoutSeconds":60,"extra":{"feePayer":"HzUdRhSZMrSg5sbPCjToWFGCkSf2yfSE33m5NWaBC4rh"}},{"scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","amount":"47000","asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","payTo":"GPbCdSaF5Qcfr5kdundH3etood2q5rafnRwdvVrs3Tan","maxTimeoutSeconds":60,"extra":{"feePayer":"HzUdRhSZMrSg5sbPCjToWFGCkSf2yfSE33m5NWaBC4rh"}}]},{"resource":"https://agent-exec.448c.org/claim/free","type":"http","method":"POST","description":"POST /claim/free -- Free: atomically win a caller-named key for your own wallet's fleet for 300 seconds, or learn who already holds it -- unlimited distinct keys per wallet, renewable by re-acquiring. A sibling of POST /claim, not a discount on it: 12x shorter than the cheapest paid plan, so a hold across a deploy, a batch, or a day is on the paid ladder from the first minute. Identity is an EIP-191 signature (X-Signature header), never a payment -- to prove it, sign the domain-separated string `agent-exec:claim:free-acquire:v1\n11:deploy-lock\n<byteLength(nonce)>:<nonce>\n<signedAt>` (fields joined by a literal newline; the key and nonce are each prefixed with their UTF-8 byte length and a colon; `<nonce>`/`<signedAt>` are the exact values sent as this call's JSON request body fields) -- you sign this exact string, NOT the JSON body that carries these values -- and note the `free-acquire` domain, distinct from both `read` and `release`; neither of those signatures is accepted here, over its OWN domain distinct from both GET and DELETE /claim/{key}'s. Full parameter list: GET /openapi.json. 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Returns an id; the successor fetches it back for free at GET /handoff/{id} with no identity required, so the id itself is the capability and no account is needed on either side. Complaints, questions, quote requests, or a service you wish we had: POST https://agent-exec.448c.org/feedback -- free, no account. Every report is read and analysed daily; there is no individual reply.","pricing":{"model":"fixed-price-plans","plans":[{"name":"default","seconds":259200,"priceUsd":0.0053,"price":"$0.0053"}]},"accepts":[{"scheme":"exact","network":"base","maxAmountRequired":"5300","resource":"https://agent-exec.448c.org/handoff","description":"POST /handoff -- Deposit a typed briefing for your successor process (what's done and how it was verified, what's not done, what was in flight, what to pick up first). Returns an id; fetch it back for free at /handoff/{id}, no identity required.","mimeType":"application/json","payTo":"0xc8Fceb0F3611BE99c41586eA2B83F6A0911d2Ff0","maxTimeoutSeconds":60,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"outputSchema":{"input":{"type":"http","method":"POST","discoverable":true,"bodyType":"json","bodyFields":{"done":{"type":"array","required":true,"description":"Claims that are DONE. Each must be { text, confidence: \"measured\", evidence } -- evidence describing how it was verified is mandatory."},"notDone":{"type":"array","required":true,"description":"Claims that are NOT done. { text, confidence, evidence }, confidence may be \"measured\" or \"unverified\"."},"inFlight":{"type":"array","required":true,"description":"Claims that were in flight at the cut. Same claim shape as notDone."},"pickUpFirst":{"type":"string","required":true,"description":"What the successor should do first."}}},"output":{"type":"json","example":{"id":"018f5b2e-0000-7000-8000-000000000000","expiresAt":1700000000000,"payment":{"payer":"0x0000000000000000000000000000000000dEaD","amount":"5300","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","network":"base","transaction":"0x0000000000000000000000000000000000000000000000000000000000000000"}}}}},{"scheme":"exact","network":"solana","maxAmountRequired":"5300","resource":"https://agent-exec.448c.org/handoff","description":"POST /handoff -- Deposit a typed briefing for your successor process (what's done and how it was verified, what's not done, what was in flight, what to pick up first). 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Same claim shape as notDone."},"pickUpFirst":{"type":"string","required":true,"description":"What the successor should do first."}}},"output":{"type":"json","example":{"id":"018f5b2e-0000-7000-8000-000000000000","expiresAt":1700000000000,"payment":{"payer":"0x0000000000000000000000000000000000dEaD","amount":"5300","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","network":"base","transaction":"0x0000000000000000000000000000000000000000000000000000000000000000"}}}}}],"acceptsV2":[{"scheme":"exact","network":"eip155:8453","amount":"5300","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0xc8Fceb0F3611BE99c41586eA2B83F6A0911d2Ff0","maxTimeoutSeconds":60,"extra":{"name":"USD Coin","version":"2"}},{"scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","amount":"5300","asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","payTo":"GPbCdSaF5Qcfr5kdundH3etood2q5rafnRwdvVrs3Tan","maxTimeoutSeconds":60,"extra":{"feePayer":"HzUdRhSZMrSg5sbPCjToWFGCkSf2yfSE33m5NWaBC4rh"}}]},{"resource":"https://agent-exec.448c.org/deadman","type":"http","method":"POST","description":"POST /deadman -- Pay to register an irreversible-action intent with a lease and a verification probe (a GET plus a predicate). Confirm before the lease expires at POST /deadman/{id}/confirm, free; otherwise we run your probe on your behalf and publish the verdict -- confirmed-by-probe, refuted-by-probe, or unresolved -- plus the raw response, for free, forever, at GET /deadman/{id}. Complaints, questions, quote requests, or a service you wish we had: POST https://agent-exec.448c.org/feedback -- free, no account. Every report is read and analysed daily; there is no individual reply.","pricing":{"model":"fixed-price-plans","plans":[{"name":"default","priceUsd":0.0054,"price":"$0.0054","minLeaseSeconds":1,"maxLeaseSeconds":604800}]},"accepts":[{"scheme":"exact","network":"base","maxAmountRequired":"5400","resource":"https://agent-exec.448c.org/deadman","description":"POST /deadman -- Register an irreversible-action intent with a lease and a verification probe. 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Retrievable afterwards for free at /pay/{id}.","mimeType":"application/json","payTo":"0xc8Fceb0F3611BE99c41586eA2B83F6A0911d2Ff0","maxTimeoutSeconds":300,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"outputSchema":{"input":{"type":"http","method":"POST","discoverable":true,"bodyType":"json","bodyFields":{"sellerUrl":{"type":"string","required":true,"description":"The seller endpoint to deliver the authorization to, an absolute http:// or https:// URL of at most 2048 UTF-8 bytes."},"method":{"type":"string","required":true,"description":"The HTTP method to call the seller with: one of GET, POST, PUT, PATCH, DELETE."},"headers":{"type":"object","required":false,"description":"Optional request headers for the seller, at most 20 string values."},"body":{"type":"string","required":false,"description":"Optional request body for the seller, at most 65536 UTF-8 bytes."},"authorization":{"type":"object","required":true,"description":"The x402 authorization YOU already signed for the seller: {headerName: \"X-PAYMENT\"|\"PAYMENT-SIGNATURE\", header: base64 PaymentPayload, asset: the token contract it was signed against}. We never sign it."}}},"output":{"type":"json","example":{"id":"018f5b2e-0000-7000-8000-000000000000","wallet":"0x0000000000000000000000000000000000dEaD","seller_url":"https://seller.example/resource","seller_method":"POST","seller_status":200,"seller_reason":null,"seller_body":"{\"ok\":true}","seller_body_bytes":11,"seller_body_truncated":false,"delivered":true,"requested_at":"2026-09-02T00:00:00.000Z","responded_at":"2026-09-02T00:00:01.000Z","verdict":"settled","verdict_tx":null,"verdict_checked_at":"2026-09-02T00:00:02.000Z","payment":{"payer":"0x0000000000000000000000000000000000dEaD","amount":"20000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","network":"base","transaction":"0x0000000000000000000000000000000000000000000000000000000000000000"}}}}},{"scheme":"exact","network":"solana","maxAmountRequired":"20000","resource":"https://agent-exec.448c.org/pay","description":"POST /pay -- Deliver an x402 authorization YOU signed to a seller exactly once, then check the chain for what became of it, and get back a signed-in-time receipt of what the seller answered. Retrievable afterwards for free at /pay/{id}.","mimeType":"application/json","payTo":"GPbCdSaF5Qcfr5kdundH3etood2q5rafnRwdvVrs3Tan","maxTimeoutSeconds":60,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","extra":{"feePayer":"HzUdRhSZMrSg5sbPCjToWFGCkSf2yfSE33m5NWaBC4rh"},"outputSchema":{"input":{"type":"http","method":"POST","discoverable":true,"bodyType":"json","bodyFields":{"sellerUrl":{"type":"string","required":true,"description":"The seller endpoint to deliver the authorization to, an absolute http:// or https:// URL of at most 2048 UTF-8 bytes."},"method":{"type":"string","required":true,"description":"The HTTP method to call the seller with: one of GET, POST, PUT, PATCH, DELETE."},"headers":{"type":"object","required":false,"description":"Optional request headers for the seller, at most 20 string values."},"body":{"type":"string","required":false,"description":"Optional request body for the seller, at most 65536 UTF-8 bytes."},"authorization":{"type":"object","required":true,"description":"The x402 authorization YOU already signed for the seller: {headerName: \"X-PAYMENT\"|\"PAYMENT-SIGNATURE\", header: base64 PaymentPayload, asset: the token contract it was signed against}. We never sign it."}}},"output":{"type":"json","example":{"id":"018f5b2e-0000-7000-8000-000000000000","wallet":"0x0000000000000000000000000000000000dEaD","seller_url":"https://seller.example/resource","seller_method":"POST","seller_status":200,"seller_reason":null,"seller_body":"{\"ok\":true}","seller_body_bytes":11,"seller_body_truncated":false,"delivered":true,"requested_at":"2026-09-02T00:00:00.000Z","responded_at":"2026-09-02T00:00:01.000Z","verdict":"settled","verdict_tx":null,"verdict_checked_at":"2026-09-02T00:00:02.000Z","payment":{"payer":"0x0000000000000000000000000000000000dEaD","amount":"20000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","network":"base","transaction":"0x0000000000000000000000000000000000000000000000000000000000000000"}}}}}],"acceptsV2":[{"scheme":"exact","network":"eip155:8453","amount":"20000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0xc8Fceb0F3611BE99c41586eA2B83F6A0911d2Ff0","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2"}},{"scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","amount":"20000","asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","payTo":"GPbCdSaF5Qcfr5kdundH3etood2q5rafnRwdvVrs3Tan","maxTimeoutSeconds":60,"extra":{"feePayer":"HzUdRhSZMrSg5sbPCjToWFGCkSf2yfSE33m5NWaBC4rh"}}]},{"resource":"https://agent-exec.448c.org/inbox","type":"http","method":"POST","description":"POST /inbox -- Pay for a disposable email address on a domain we own, live 24 h, to receive the verification mail a signup demands. RECEIVE ONLY -- nothing is ever sent from it. Pay again with `{id}` to extend the same address from its current expiry, no cap. Read the mail free and owner-signed at GET /inbox/{id}/messages, with any verification code and link already picked out. Complaints, questions, quote requests, or a service you wish we had: POST https://agent-exec.448c.org/feedback -- free, no account. Every report is read and analysed daily; there is no individual reply.","pricing":{"model":"fixed-price-plans","plans":[{"name":"default","priceUsd":0.02,"price":"$0.0200","seconds":86400}]},"accepts":[{"scheme":"exact","network":"base","maxAmountRequired":"20000","resource":"https://agent-exec.448c.org/inbox","description":"POST /inbox -- Pay for a disposable, receive-only email address for 24 hours and read what arrives: GET /inbox/{id}/messages returns each mail as text with any verification codes and links extracted, free and owner-signed. Nothing is ever sent from it. Repeat the payment with {id} to extend. Problems or abuse: POST /feedback.","mimeType":"application/json","payTo":"0xc8Fceb0F3611BE99c41586eA2B83F6A0911d2Ff0","maxTimeoutSeconds":300,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"outputSchema":{"input":{"type":"http","method":"POST","discoverable":true,"bodyType":"json","bodyFields":{"id":{"type":"string","required":false,"description":"An inbox id this same wallet already owns: extends it 24 h from its current expiry instead of issuing a new address. Omit for a new address."}}},"output":{"type":"json","example":{"id":"018f5b2e-0000-7000-8000-000000000000","address":"k3n8q2w7r1zx@example.com","owner":"0x0000000000000000000000000000000000dEaD","chain":"base","createdAt":"2026-09-02T00:00:00.000Z","expiresAt":"2026-09-03T00:00:00.000Z","expired":false,"freeTier":false,"messageCount":0,"extended":false,"payment":{"payer":"0x0000000000000000000000000000000000dEaD","amount":"20000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","network":"base","transaction":"0x0000000000000000000000000000000000000000000000000000000000000000"}}}}},{"scheme":"exact","network":"solana","maxAmountRequired":"20000","resource":"https://agent-exec.448c.org/inbox","description":"POST /inbox -- Pay for a disposable, receive-only email address for 24 hours and read what arrives: GET /inbox/{id}/messages returns each mail as text with any verification codes and links extracted, free and owner-signed. Nothing is ever sent from it. Repeat the payment with {id} to extend. Problems or abuse: POST /feedback.","mimeType":"application/json","payTo":"GPbCdSaF5Qcfr5kdundH3etood2q5rafnRwdvVrs3Tan","maxTimeoutSeconds":60,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","extra":{"feePayer":"HzUdRhSZMrSg5sbPCjToWFGCkSf2yfSE33m5NWaBC4rh"},"outputSchema":{"input":{"type":"http","method":"POST","discoverable":true,"bodyType":"json","bodyFields":{"id":{"type":"string","required":false,"description":"An inbox id this same wallet already owns: extends it 24 h from its current expiry instead of issuing a new address. Omit for a new address."}}},"output":{"type":"json","example":{"id":"018f5b2e-0000-7000-8000-000000000000","address":"k3n8q2w7r1zx@example.com","owner":"0x0000000000000000000000000000000000dEaD","chain":"base","createdAt":"2026-09-02T00:00:00.000Z","expiresAt":"2026-09-03T00:00:00.000Z","expired":false,"freeTier":false,"messageCount":0,"extended":false,"payment":{"payer":"0x0000000000000000000000000000000000dEaD","amount":"20000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","network":"base","transaction":"0x0000000000000000000000000000000000000000000000000000000000000000"}}}}}],"acceptsV2":[{"scheme":"exact","network":"eip155:8453","amount":"20000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0xc8Fceb0F3611BE99c41586eA2B83F6A0911d2Ff0","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2"}},{"scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","amount":"20000","asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","payTo":"GPbCdSaF5Qcfr5kdundH3etood2q5rafnRwdvVrs3Tan","maxTimeoutSeconds":60,"extra":{"feePayer":"HzUdRhSZMrSg5sbPCjToWFGCkSf2yfSE33m5NWaBC4rh"}}]},{"resource":"https://agent-exec.448c.org/dns","type":"http","method":"POST","description":"POST /dns -- Pay to rent <label>.448c.net for a year and point it where you say: A, AAAA, CNAME and TXT records, so you can hold a TLS certificate (DNS-01) and pass domain-trust checks without a registrar account. The paying wallet owns the name; paying again EXTENDS from the current expiry at POST /dns/{name}/renew rather than resetting. One free name per wallet at POST /dns/free. Records are edited owner-signed at POST /dns/{name}/records, the name is given back at DELETE /dns/{name}, and anyone can read what we serve for free at GET /dns/{name}. Complaints, questions, quote requests, or a service you wish we had: POST https://agent-exec.448c.org/feedback -- free, no account. Every report is read and analysed daily; there is no individual reply.","pricing":{"model":"fixed-price-plans","plans":[{"name":"year","priceUsd":0.5,"seconds":31536000,"price":"$0.5000"}]},"accepts":[{"scheme":"exact","network":"base","maxAmountRequired":"500000","resource":"https://agent-exec.448c.org/dns","description":"POST /dns -- Rent <label>.448c.net for a year and point it where you say: A, AAAA, CNAME and TXT records, so you can hold a TLS certificate and pass domain-trust checks without a registrar account. The paying wallet owns the name. Readable afterwards for free at /dns/{name}.","mimeType":"application/json","payTo":"0xc8Fceb0F3611BE99c41586eA2B83F6A0911d2Ff0","maxTimeoutSeconds":60,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"outputSchema":{"input":{"type":"http","method":"POST","discoverable":true,"bodyType":"json","bodyFields":{"label":{"type":"string","required":true,"description":"The label to rent under 448c.net: string matching ^[a-z0-9][a-z0-9-]{1,30}$, and not one of: www, mail, ns1, ns2, agent-exec, sentinel, admin, api, _acme-challenge."},"records":{"type":"array","required":true,"description":"1 to 10 records, each {type: A|AAAA|CNAME|TXT, value: string, ttl: 60-3600 seconds}."}}},"output":{"type":"json","example":{"name":"example.448c.net","owner":"0x0000000000000000000000000000000000dEaD","expiresAt":1800000000000,"records":[{"type":"A","value":"203.0.113.10","ttl":300}],"plan":"year","payment":{"payer":"0x0000000000000000000000000000000000dEaD","amount":"500000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","network":"base","transaction":"0x0000000000000000000000000000000000000000000000000000000000000000"}}}}},{"scheme":"exact","network":"solana","maxAmountRequired":"500000","resource":"https://agent-exec.448c.org/dns","description":"POST /dns -- Rent <label>.448c.net for a year and point it where you say: A, AAAA, CNAME and TXT records, so you can hold a TLS certificate and pass domain-trust checks without a registrar account. The paying wallet owns the name. Readable afterwards for free at /dns/{name}.","mimeType":"application/json","payTo":"GPbCdSaF5Qcfr5kdundH3etood2q5rafnRwdvVrs3Tan","maxTimeoutSeconds":60,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","extra":{"feePayer":"HzUdRhSZMrSg5sbPCjToWFGCkSf2yfSE33m5NWaBC4rh"},"outputSchema":{"input":{"type":"http","method":"POST","discoverable":true,"bodyType":"json","bodyFields":{"label":{"type":"string","required":true,"description":"The label to rent under 448c.net: string matching ^[a-z0-9][a-z0-9-]{1,30}$, and not one of: www, mail, ns1, ns2, agent-exec, sentinel, admin, api, _acme-challenge."},"records":{"type":"array","required":true,"description":"1 to 10 records, each {type: A|AAAA|CNAME|TXT, value: string, ttl: 60-3600 seconds}."}}},"output":{"type":"json","example":{"name":"example.448c.net","owner":"0x0000000000000000000000000000000000dEaD","expiresAt":1800000000000,"records":[{"type":"A","value":"203.0.113.10","ttl":300}],"plan":"year","payment":{"payer":"0x0000000000000000000000000000000000dEaD","amount":"500000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","network":"base","transaction":"0x0000000000000000000000000000000000000000000000000000000000000000"}}}}}],"acceptsV2":[{"scheme":"exact","network":"eip155:8453","amount":"500000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0xc8Fceb0F3611BE99c41586eA2B83F6A0911d2Ff0","maxTimeoutSeconds":60,"extra":{"name":"USD Coin","version":"2"}},{"scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","amount":"500000","asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","payTo":"GPbCdSaF5Qcfr5kdundH3etood2q5rafnRwdvVrs3Tan","maxTimeoutSeconds":60,"extra":{"feePayer":"HzUdRhSZMrSg5sbPCjToWFGCkSf2yfSE33m5NWaBC4rh"}}]},{"resource":"https://agent-exec.448c.org/placement","type":"http","method":"POST","description":"POST /placement -- Pay once and we submit YOUR service to every agent venue we hold a submitter for -- 17 of the 33 on-behalf venues today, the rest the hour their submitter lands -- then verify per venue that the entry is really in the catalogue and keep rechecking for 90 days (every 7 days). What is sold is the submission work and the EVIDENCE, never a placement: a human-only venue is reported with that reason and never charged for, and a venue with its own entry fee comes back unfunded for you to fund yourself. Read the lane table free at GET /placement/venues and check your own service free at GET /placement/ready first; read the order back, owner-signed, at GET /placement/{id}. Complaints, questions, quote requests, or a service you wish we had: POST https://agent-exec.448c.org/feedback -- free, no account. Every report is read and analysed daily; there is no individual reply.","pricing":{"model":"fixed-price-plans","plans":[{"name":"order","priceUsd":0.25,"seconds":7776000,"price":"$0.2500"}]},"accepts":[{"scheme":"exact","network":"base","maxAmountRequired":"250000","resource":"https://agent-exec.448c.org/placement","description":"POST /placement -- Order a placement campaign for your service across every permissionless agent venue we know: each venue classified, submitted to every venue we hold a submitter for (17 of the 33 on-behalf venues today) and to each new one the hour its submitter lands while the order is open, and each entry proven in the catalogue by reading it back, weekly for 90 days. A venue we cannot yet submit to for you stays `queued` and is reported as owed, never as done. The paying wallet owns the order, readable owner-signed at /placement/{id}. Venues that need a human, or charge for an entry, are reported with the reason and never charged for.","mimeType":"application/json","payTo":"0xc8Fceb0F3611BE99c41586eA2B83F6A0911d2Ff0","maxTimeoutSeconds":60,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"outputSchema":{"input":{"type":"http","method":"POST","discoverable":true,"bodyType":"json","bodyFields":{"url":{"type":"string","required":false,"description":"the absolute http(s) URL of YOUR service, at most 512 bytes -- the one a venue should list. Omit it to extend an order instead."},"id":{"type":"string","required":false,"description":"the id of an order you already own, to extend it by another 90 days of rechecks. Exactly one of url or id."}}},"output":{"type":"json","example":{"outcome":"created","id":"1b4e28ba-2fa1-11d2-883f-0016d3cca427","owner":"0x0000000000000000000000000000000000dEaD","url":"https://your-service.example","expiresAt":"2027-01-08T00:00:00.000Z","venues":[{"venue":2,"name":"example-registry","lane":"on-behalf","state":"queued","evidence":null,"checkedAt":null,"reason":null}],"payment":{"payer":"0x0000000000000000000000000000000000dEaD","amount":"250000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","network":"base","transaction":"0x0000000000000000000000000000000000000000000000000000000000000000"}}}}},{"scheme":"exact","network":"solana","maxAmountRequired":"250000","resource":"https://agent-exec.448c.org/placement","description":"POST /placement -- Order a placement campaign for your service across every permissionless agent venue we know: each venue classified, submitted to every venue we hold a submitter for (17 of the 33 on-behalf venues today) and to each new one the hour its submitter lands while the order is open, and each entry proven in the catalogue by reading it back, weekly for 90 days. A venue we cannot yet submit to for you stays `queued` and is reported as owed, never as done. The paying wallet owns the order, readable owner-signed at /placement/{id}. Venues that need a human, or charge for an entry, are reported with the reason and never charged for.","mimeType":"application/json","payTo":"GPbCdSaF5Qcfr5kdundH3etood2q5rafnRwdvVrs3Tan","maxTimeoutSeconds":60,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","extra":{"feePayer":"HzUdRhSZMrSg5sbPCjToWFGCkSf2yfSE33m5NWaBC4rh"},"outputSchema":{"input":{"type":"http","method":"POST","discoverable":true,"bodyType":"json","bodyFields":{"url":{"type":"string","required":false,"description":"the absolute http(s) URL of YOUR service, at most 512 bytes -- the one a venue should list. Omit it to extend an order instead."},"id":{"type":"string","required":false,"description":"the id of an order you already own, to extend it by another 90 days of rechecks. Exactly one of url or id."}}},"output":{"type":"json","example":{"outcome":"created","id":"1b4e28ba-2fa1-11d2-883f-0016d3cca427","owner":"0x0000000000000000000000000000000000dEaD","url":"https://your-service.example","expiresAt":"2027-01-08T00:00:00.000Z","venues":[{"venue":2,"name":"example-registry","lane":"on-behalf","state":"queued","evidence":null,"checkedAt":null,"reason":null}],"payment":{"payer":"0x0000000000000000000000000000000000dEaD","amount":"250000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","network":"base","transaction":"0x0000000000000000000000000000000000000000000000000000000000000000"}}}}}],"acceptsV2":[{"scheme":"exact","network":"eip155:8453","amount":"250000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0xc8Fceb0F3611BE99c41586eA2B83F6A0911d2Ff0","maxTimeoutSeconds":60,"extra":{"name":"USD Coin","version":"2"}},{"scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","amount":"250000","asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","payTo":"GPbCdSaF5Qcfr5kdundH3etood2q5rafnRwdvVrs3Tan","maxTimeoutSeconds":60,"extra":{"feePayer":"HzUdRhSZMrSg5sbPCjToWFGCkSf2yfSE33m5NWaBC4rh"}}]},{"resource":"https://agent-exec.448c.org/supported","type":"http","method":"GET","description":"GET /supported -- Free: the x402 facilitator read contract -- {kinds:[{x402Version, scheme, network}]}, folded out of this very document's accepts[], so it cannot claim a scheme or network we do not take. Also served, same handler and same body, at /x402/supported, /facilitator/supported, /facilitator/v2/supported, /api/supported. No payment, no key, no RPC. Complaints, questions, quote requests, or a service you wish we had: POST https://agent-exec.448c.org/feedback -- free, no account. Every report is read and analysed daily; there is no individual reply.","accepts":[]},{"resource":"https://agent-exec.448c.org/verify","type":"http","method":"POST","description":"POST /verify -- Free: check an EVM `exact` x402 payment offline -- send {x402Version, paymentPayload, paymentRequirements}, get {isValid, invalidReason?, payer?}. EIP-712 recovery plus the same scheme/network/recipient/amount/validity checks this service runs on its own paid routes; it does NOT read the payer's on-chain balance or nonce, and a Solana payload is refused rather than called invalid. Also served at /x402/verify, /facilitator/verify, /api/verify. POST /settle is deliberately not served here: settling broadcasts a transaction and spends gas. Complaints, questions, quote requests, or a service you wish we had: POST https://agent-exec.448c.org/feedback -- free, no account. Every report is read and analysed daily; there is no individual reply.","accepts":[]}]}