{"slug":"x402-agent-api-onrender-com-api-v1-x402-preflight-a7c1bb","title":"Preflight before paying any x402 endpoint","host":"x402-agent-api.onrender.com","method":"POST","resource":"https://x402-agent-api.onrender.com/api/v1/x402-preflight","category":"company","description":"Preflight before paying any x402 endpoint: validates its 402 challenge (network, amount, asset, payTo, timeout, Bazaar declaration), prices it in USD, screens the payTo wallet (OFAC, wallet vs token contract) and shows real usage (Bazaar 30-day calls and unique payers). Budget check with max_price_u","price_listed":0.003,"price_asked":0.003,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":466,"reported_calls_30d":5,"reported_payers_30d":2,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"max_price_usd":0.01,"url":"https://x402-agent-api.onrender.com/api/v1/email-verify"},"bodyType":"json","method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"body":{"additionalProperties":false,"properties":{"max_price_usd":{"description":"Your budget per call: a higher price makes the verdict do_not_pay.","exclusiveMinimum":0,"type":"number"},"method":{"default":"auto","description":"How to request it: auto (default) tries GET, then POST with an empty JSON body.","enum":["auto","GET","POST"],"type":"string"},"url":{"description":"The paid endpoint, e.g. https://api.example.com/v1/tool.","format":"uri","type":"string"},"via":{"description":"Optional: the tool whose next_calls suggested this call (filled in for you).","maxLength":64,"type":"string"}},"required":["url"],"type":"object"},"bodyType":{"enum":["json","form-data","text"],"type":"string"},"method":{"enum":["POST"],"type":"string"},"type":{"const":"http","type":"string"}},"required":["type","method","bodyType","body"],"type":"object"},"output":{"properties":{"example":{"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-10-18","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.003,"price_match":true,"latency_ms":466,"error":null}],"description_full":"Preflight before paying any x402 endpoint: validates its 402 challenge (network, amount, asset, payTo, timeout, Bazaar declaration), prices it in USD, screens the payTo wallet (OFAC, wallet vs token contract) and shows real usage (Bazaar 30-day calls and unique payers). Budget check with max_price_usd. ok_to_pay / caution / do_not_pay. $0.003 USDC per call.","last_updated":"2026-10-13T16:33:56.386Z","schemes":["exact"]}