{"slug":"aayatai-com-x402-check-da802c","title":"Live health check of any x402 endpoint before you pay it","host":"aayatai.com","method":"GET","resource":"https://aayatai.com/x402/check","category":"market","description":"Live health check of any x402 endpoint before you pay it: is it up and answering 402, is the payment request valid, prices in USD per network, pay-to wallets, x402 version, Bazaar discovery metadata, response time, and its buyers in the Bazaar. Never pays the endpoint. Pass ?url=https://api.example.","price_listed":0.002,"price_asked":0.002,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":26,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["eip155:137","eip155:42161","eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"url":"https://aayatai.com/dns"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"properties":{"method":{"default":"GET","description":"How the endpoint is called.","enum":["GET","POST"],"type":"string"},"url":{"description":"The x402 endpoint to check.","format":"uri","maxLength":2048,"type":"string"}},"required":["url"],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"properties":{"catalogue":{"description":"Its Bazaar listing in our snapshot, if any.","type":["object","null"]},"checkedAt":{"type":"string"},"latencyMs":{"type":["integer","null"]},"prices":{"items":{"type":"object"},"type":"array"},"status":{"type":["integer","null"]},"up":{"description":"Answered at all (any HTTP status).","type":"boolean"},"url":{"type":"string"},"x402":{"description":"Whether a valid x402 payment request came back, and any problems.","type":"object"}},"required":["url","up","status","x402","prices","checkedAt"],"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-09-28","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.002,"price_match":true,"latency_ms":26,"error":null}],"description_full":"Live health check of any x402 endpoint before you pay it: is it up and answering 402, is the payment request valid, prices in USD per network, pay-to wallets, x402 version, Bazaar discovery metadata, response time, and its buyers in the Bazaar. Never pays the endpoint. Pass ?url=https://api.example.com/paid&method=GET.","last_updated":"2026-09-28T10:45:48.944Z","schemes":["exact"]}