{"api":"v1","generated_at":"2026-09-15T21:52:51.307Z","licence":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/","attribution":"TOLL, with a link to the page cited"},"page":"https://tollindex.com/e/api-delx-ai-api-v1-x402-live-probe-1c72da","pinned_page":"https://tollindex.com/e/api-delx-ai-api-v1-x402-live-probe-1c72da/at/2026-09-15T21-20Z","pinned":false,"method":"https://tollindex.com/ledger/method","snapshot_at":"2026-09-15T21:20:12.737Z","snapshot_stamp":"2026-09-15T21-20Z","endpoint":{"slug":"api-delx-ai-api-v1-x402-live-probe-1c72da","canonical_url":"https://api.delx.ai/api/v1/x402/live-probe","resource":"https://api.delx.ai/api/v1/x402/live-probe","http_method":"POST","type":"http","x402_version":2,"registries":["cdp"],"primary_registry":"cdp","curated_by_coinbase":false,"description":"Verify any third-party x402 endpoint is alive and correctly configured\nbefore paying it: a bounded GET/402 preflight fetches the payment contract,\nchecks reachability and response latency, validates accepts, network, price\nand expiry against the x402 spec, and returns a signed observation receipt\nwith an observed_at timestamp you can cite — protection against ghost\nendpoints, dead quotes and wasted USDC.\nLimitation: no payment is made, one endpoint per call, and a passing probe\nproves the contr…","service_name":"x402 Live Probe","declared_category":"x402-trust","declared_tags":["x402","commerce","trust","probe-before-you-pay"],"route_template":null,"registry_updated":"2026-08-18T19:19:14.367Z"},"derived":{"note":"fields no registry supplies; TOLL derives them and marks them derived on the page","title":"live probe","category":"identity","first_observed_by_toll":"2026-09-10T19:08:24.178Z","last_observed_by_toll":"2026-09-15T21:20:12.737Z","observation_began":"2026-09-10"},"presence":{"listed_now":true,"first_absent_at":null,"delisting_confirmed_at":null,"events":[{"registry":"cdp","at":"2026-09-10T19:08:24.178Z","event":"listed"}]},"accepts":[{"registry":"cdp","ordinal":0,"network":"eip155:8453","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USD Coin","symbol":"USDC","decimals":6,"amount_display":"0.005 USDC","amount_units":0.005,"decimals_known":true,"pay_to":"0x9f8bd9875b3E0b632a24A3A7C73f7787175e73A2","scheme":"exact"},{"registry":"cdp","ordinal":1,"network":"eip155:8453","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USD Coin","symbol":"USDC","decimals":6,"amount_display":"0.005 USDC","amount_units":0.005,"decimals_known":true,"pay_to":"0x9f8bd9875b3E0b632a24A3A7C73f7787175e73A2","scheme":"exact"},{"registry":"cdp","ordinal":2,"network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","asset_name":"USD Coin","symbol":"USDC","decimals":6,"amount_display":"0.005 USDC","amount_units":0.005,"decimals_known":true,"pay_to":"28heAMpFkeUJsL7o7apiK4oJwZWq2fUHinRwbgYYsemG","scheme":"exact"}],"counters":{"observed_at":"2026-09-15T21:20:12.737Z","calls_30d":4,"unique_payers_30d":1,"last_called_at":"2026-08-18T19:19:14.057Z"},"validation":{"latest":{"observed_at":"2026-09-15T04:07:08.549Z","state":"pass","failed_checks":[],"endpoint_http_status":402,"run_id":"daily-2026-09-15"},"uptime":[{"days":7,"observed":5,"passed":5,"ratio":1},{"days":30,"observed":5,"passed":5,"ratio":1},{"days":90,"observed":5,"passed":5,"ratio":1}],"history_90d":[{"observed_at":"2026-09-15T04:07:08.549Z","state":"pass","failed_checks":[],"run_id":"daily-2026-09-15","state_changed":false},{"observed_at":"2026-09-14T04:05:42.929Z","state":"pass","failed_checks":[],"run_id":"daily-2026-09-14","state_changed":false},{"observed_at":"2026-09-13T04:05:19.919Z","state":"pass","failed_checks":[],"run_id":"daily-2026-09-13","state_changed":false},{"observed_at":"2026-09-12T06:20:24.171Z","state":"pass","failed_checks":[],"run_id":"daily-2026-09-12","state_changed":false},{"observed_at":"2026-09-11T09:47:31.616Z","state":"pass","failed_checks":[],"run_id":"daily-2026-09-11","state_changed":true}]},"seller":{"wallet":"0x9f8bd9875b3E0b632a24A3A7C73f7787175e73A2","page":"https://tollindex.com/seller/0x9f8bd9875b3E0b632a24A3A7C73f7787175e73A2","endpoints":241,"hosts":1},"reports":0,"registry_record":{"cdp":[{"tags":["x402","commerce","trust","probe-before-you-pay"],"type":"http","accepts":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"app":"Delx Commerce","name":"USD Coin","version":"2","provider":"coinbase","erc8004_id":"14340","accept_label":"Coinbase CDP","provider_label":"Coinbase CDP","facilitator_url":"https://api.cdp.coinbase.com/platform/v2/x402"},"payTo":"0x9f8bd9875b3E0b632a24A3A7C73f7787175e73A2","amount":"5000","scheme":"exact","network":"eip155:8453","mimeType":"application/json","resource":"https://api.delx.ai/api/v1/x402/live-probe","description":"Verify any third-party x402 endpoint is alive and correctly configured\nbefore paying it: a bounded GET/402 preflight fetches the payment contract,\nchecks reachability and response latency, validates accepts, network, price\nand expiry against the x402 spec, and returns a signed observation receipt\nwith an observed_at timestamp you can cite — protection against ghost\nendpoints, dead quotes and wasted USDC.\nLimitation: no payment is made, one endpoint per call, and a passing probe\nproves the contr…","maxTimeoutSeconds":300},{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"app":"Delx Commerce","name":"USD Coin","version":"2","provider":"payai","erc8004_id":"14340","accept_label":"PayAI Base","provider_label":"PayAI Base","facilitator_url":"https://facilitator.payai.network"},"payTo":"0x9f8bd9875b3E0b632a24A3A7C73f7787175e73A2","amount":"5000","scheme":"exact","network":"eip155:8453","mimeType":"application/json","resource":"https://api.delx.ai/api/v1/x402/live-probe","description":"Verify any third-party x402 endpoint is alive and correctly configured\nbefore paying it: a bounded GET/402 preflight fetches the payment contract,\nchecks reachability and response latency, validates accepts, network, price\nand expiry against the x402 spec, and returns a signed observation receipt\nwith an observed_at timestamp you can cite — protection against ghost\nendpoints, dead quotes and wasted USDC.\nLimitation: no payment is made, one endpoint per call, and a passing probe\nproves the contr…","maxTimeoutSeconds":300},{"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","extra":{"app":"Delx Commerce","name":"USD Coin","version":"2","feePayer":"2wKupLR9q6wXYppw8Gr2NvWxKBUqm4PPJKkQfoxHDBg4","provider":"payai","erc8004_id":"14340","accept_label":"PayAI Solana","provider_label":"PayAI Solana","facilitator_url":"https://facilitator.payai.network"},"payTo":"28heAMpFkeUJsL7o7apiK4oJwZWq2fUHinRwbgYYsemG","amount":"5000","scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","mimeType":"application/json","resource":"https://api.delx.ai/api/v1/x402/live-probe","description":"Verify any third-party x402 endpoint is alive and correctly configured\nbefore paying it: a bounded GET/402 preflight fetches the payment contract,\nchecks reachability and response latency, validates accepts, network, price\nand expiry against the x402 spec, and returns a signed observation receipt\nwith an observed_at timestamp you can cite — protection against ghost\nendpoints, dead quotes and wasted USDC.\nLimitation: no payment is made, one endpoint per call, and a passing probe\nproves the contr…","maxTimeoutSeconds":300}],"iconUrl":"https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1786031869/bazaar-icons/f116ee851813c2b6.png","quality":{"lastCalledAt":"2026-08-18T19:19:14.057Z","l30DaysTotalCalls":4,"l30DaysUniquePayers":1},"resource":"https://api.delx.ai/api/v1/x402/live-probe","extensions":{"bazaar":{"info":{"input":{"body":{"url":"https://api.example-x402.test/pay"},"type":"http","method":"POST","bodyType":"json"},"output":{"type":"json","example":{"url":"https://api.example-x402.test/pay","kind":"x402_live_probe","paid":false,"latency_ms":42,"receipt_id":"0000000000000000000000000000000000000000000000000000000000000000","http_status":402,"observed_at":"2026-08-14T19:00:00+00:00"}}},"tags":["x402","commerce","trust","probe-before-you-pay"],"schema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input","output"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"type":"object","required":["url"],"properties":{"url":{"type":"string","maxLength":2048,"minLength":12,"description":"Single https x402 endpoint to handshake. One URL per call; no payment is sent."},"capability":{"type":"string","maxLength":120,"minLength":1,"description":"Optional capability tag stored on the observation receipt for later directory queries."}},"additionalProperties":false},"type":{"type":"string","const":"http"},"method":{"type":"string","const":"POST"},"bodyType":{"type":"string","const":"json"}}},"output":{"type":"object","description":"Bounded trust-layer JSON; no secrets, no chain fetch, no remote execution."}}},"summary":"Verify any third-party x402 endpoint is alive and correctly configured\nbefore paying it: a bounded GET/402 preflight fetches the payment contract,\nchecks reachability and response latency, validates accepts, network, price\nand expiry against the x402 spec, and returns a signed observation receipt\nwith an observed_at timestamp you can cite — protection against ghost\nendpoints, dead quotes and wasted USDC.\nLimitation: no payment is made, one endpoint per call, and a passing probe\nproves the contract at observation time — not future uptime or provider\nhonesty.\n","category":"x402-trust","serviceName":"x402 Live Probe"}},"description":"Verify any third-party x402 endpoint is alive and correctly configured\nbefore paying it: a bounded GET/402 preflight fetches the payment contract,\nchecks reachability and response latency, validates accepts, network, price\nand expiry against the x402 spec, and returns a signed observation receipt\nwith an observed_at timestamp you can cite — protection against ghost\nendpoints, dead quotes and wasted USDC.\nLimitation: no payment is made, one endpoint per call, and a passing probe\nproves the contr…","lastUpdated":"2026-08-18T19:19:14.367Z","serviceName":"x402 Live Probe","x402Version":2}]}}