{"slug":"horizonpulse-dev-api-x402-check-deep-1ea986","title":"x402 endpoint deep check, never pays or signs","host":"horizonpulse.dev","method":"GET","resource":"https://horizonpulse.dev/api/x402-check/deep","category":"other","description":"x402 endpoint deep check, never pays or signs: the full /api/x402-check report plus live checks. GET url (optional method, body). Adds TLS, security headers, CORS, payTo vs the payee's own published addresses (/.well-known/x402, openapi.json, llms.txt), lookalike payTo detection, and drift between t","price_listed":0.03,"price_asked":0.03,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":334,"reported_calls_30d":0,"reported_payers_30d":0,"networks":["eip155:137","eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","xrpl:0"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"method":"GET","url":"https://horizonpulse.dev/api/pulse"},"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":{"body":{"description":"Optional JSON body (<=8KB, URL-encoded) sent with a POST probe. Implies POST.","type":"string"},"method":{"description":"HTTP method for the unpaid probe: GET (default; one POST retry on 405) or POST.","type":"string"},"url":{"description":"Absolute http(s) URL of the x402 endpoint to check (required). Private/localhost blocked.","type":"string"}},"required":["url"],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"description":"Horizon Pulse x402 deep check: x402-check report plus TLS, security headers, CORS, payTo vs published addresses, lookalike payTo, discovery drift. The example is a trimmed real response recorded from GET /api/demo/x402-check-deep at 2026-10-19T19:46Z UTC; live values differ on every call.","type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-10-20","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.03,"price_match":true,"latency_ms":334,"error":null}],"description_full":"x402 endpoint deep check, never pays or signs: the full /api/x402-check report plus live checks. GET url (optional method, body). Adds TLS, security headers, CORS, payTo vs the payee's own published addresses (/.well-known/x402, openapi.json, llms.txt), lookalike payTo detection, and drift between the live 402 and well-known, openapi and CDP Bazaar listings. Any HTTP answer from the target is billed; bad input, blocked hosts and timeouts are not.","last_updated":"2026-10-20T13:30:32.436Z","schemes":["exact"]}