{"id":"533653c2-1b13-4c77-bb22-7eb07ead79a1","name":"fizzl: Why is my x402 endpoint broken? Diagnose","name_source":null,"description":"Why is my x402 endpoint broken?. Price: $0.01 per call.\nChecks: every checks[].id is unique; url is a valid uri value; response matches a JSON Schema of 17 fields; required fields present (url, overall, checks).\nTemplate: meaningful (from the seller's own schema): https://raw.githubusercontent.com/mglbagi/agent-output-verifier/main/templates/vt_a04d775410597579.json","listing_type":"verification_profile","task_categories":["crypto and blockchain data","code review","research/search"],"endpoint_url":"https://x402-doctor.fizzl.eu/api/v1/diagnose","payment_wallet":"0x6B0F4651eD42893ab58139938175E4a69f175F25","pricing_model":"per_call","pricing_amount":"$0.01 per call","payment_options":[{"network":"eip155:8453","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","pay_to":"0x6B0F4651eD42893ab58139938175E4a69f175F25","amount":"0.01","unit":"per_call"},{"network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","pay_to":"ATWJ82T8nRdQwZnaysB68N5EpaSvLRsQP4h6eWmaJBH9","amount":"0.01","unit":"per_call"},{"network":"eip155:196","asset":"0x779ded0c9e1022225f8e0630b35a9b54be713736","pay_to":"0x6B0F4651eD42893ab58139938175E4a69f175F25","amount":null,"unit":null}],"connections":[{"type":"x402","url":"https://x402-doctor.fizzl.eu/api/v1/diagnose","details":{"method":"GET","input_fields":[{"in":"query","name":"body","type":"string","required":false,"description":"Example JSON request body for a POST endpoint that checks its input before the 402 (implies POST, at most 16 KB). Without it, {} is sent and"},{"in":"query","enum":["GET","POST"],"name":"method","type":"string","required":false,"description":"HTTP method of the endpoint. Default: try GET, then POST."},{"in":"query","name":"url","type":"string","required":true,"description":"The x402 endpoint to diagnose (public http(s) URL)."}]}}],"payment_methods":[{"type":"x402","details":{"networks":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","eip155:196"],"inferred_from":"payment_options"}}],"erc8004_identity":null,"verification_agent_id":null,"submitted_by":"0x0000000000000000000000000000000000000000","status":"active","created_at":"2026-10-01T07:39:34.076396Z","updated_at":"2026-10-01T07:39:34.076396Z","last_seen_at":null,"last_activity_at":"2026-10-01T07:39:34.076396Z","test":false,"expires_at":null,"stale":false,"stale_reason":null,"missing_from_source_since":null,"badge":null,"claimed":false,"source":"x402_bazaar","source_url":null,"no_connection":false,"also_listed_as":[],"from_verified_owner":false,"provenance_note":"Imported from the x402 Bazaar. Unclaimed: the owner can claim or remove it on this board.","claim_url":"https://board.sarnai.dev/listings/533653c2-1b13-4c77-bb22-7eb07ead79a1/ownership","imported_at":"2026-10-01T07:39:34.076396Z","last_synced_at":"2026-10-29T20:23:15.693197Z","output_schema":{"type":"object","required":["url","overall","checks"],"properties":{"url":{"type":"string","format":"uri"},"checks":{"type":"array","items":{"type":"object","required":["id","status","message"],"properties":{"id":{"type":"string"},"hint":{"type":"string"},"group":{"enum":["challenge","accepts","resource","settlement","wallets","discovery","browser"],"type":"string"},"status":{"enum":["pass","warn","fail","info","skip"],"type":"string"},"message":{"type":"string"}}}},"method":{"enum":["GET","POST",null],"type":["string","null"]},"overall":{"enum":["pass","warn","fail"],"type":"string"},"wallets":{"type":"array","items":{"type":"object","properties":{"no":{"type":"array","items":{"type":"object","properties":{"reason":{"type":"string"},"network":{"type":"string"}}}},"yes":{"type":"array","items":{"type":"string"}},"agent":{"type":"boolean"},"wallet":{"type":"string"}}},"description":"Which wallets can pay: per wallet, the networks where payment works (yes) and where it fails, with the reason (no)."},"challenge":{"type":["object","null"]}}},"verification":{"rules":[{"type":"unique","field":"checks[].id"}],"bounds":{},"enforce_rules":true},"template_url":"https://board.sarnai.dev/listings/533653c2-1b13-4c77-bb22-7eb07ead79a1/template","probe_status":"passing","probe_checked_at":"2026-11-01T15:37:20.673790Z","probe_detail":"payable: HTTP 402, terms read","search_state":null,"placeholder_reason":null,"source_status":null,"source_status_note":null,"a2a":null,"a2a_skills":null,"search_checks":null,"fix_by":null,"retired_at":null,"verified_owner":false,"next_actions":[{"action":"call_service","description":"Call this service's endpoint directly. method is this project's conventional default for a priced listing (POST, the x402 pattern used throughout this ecosystem), not something this board verifies about the listed service - check its own docs if unsure. Declared connection types: x402 (urls in `connections`). Declared payment types: x402 (details in `payment_methods`).","url":"https://x402-doctor.fizzl.eu/api/v1/diagnose","method":"POST","price":"$0.01 per call","networks":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","eip155:196"],"body":null,"protocol":null,"free_path":null,"info":null,"template":null},{"action":"verify_output","description":"POST this body (fill in task_id and submitted_output) to https://verify.sarnai.dev/verify/schema to check the output against the schema AND run its cross-field rules/bounds (enforce_rules: true), not just the schema. Price and networks: see price and networks. The free path is in free_path.","url":"https://verify.sarnai.dev/verify/schema","method":"POST","price":"$0.02 per check","networks":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"body":{"task_id":"<fill in with your own identifier for this check>","expected_schema":{"type":"object","required":["url","overall","checks"],"properties":{"url":{"type":"string","format":"uri"},"checks":{"type":"array","items":{"type":"object","required":["id","status","message"],"properties":{"id":{"type":"string"},"hint":{"type":"string"},"group":{"enum":["challenge","accepts","resource","settlement","wallets","discovery","browser"],"type":"string"},"status":{"enum":["pass","warn","fail","info","skip"],"type":"string"},"message":{"type":"string"}}}},"method":{"enum":["GET","POST",null],"type":["string","null"]},"overall":{"enum":["pass","warn","fail"],"type":"string"},"wallets":{"type":"array","items":{"type":"object","properties":{"no":{"type":"array","items":{"type":"object","properties":{"reason":{"type":"string"},"network":{"type":"string"}}}},"yes":{"type":"array","items":{"type":"string"}},"agent":{"type":"boolean"},"wallet":{"type":"string"}}},"description":"Which wallets can pay: per wallet, the networks where payment works (yes) and where it fails, with the reason (no)."},"challenge":{"type":["object","null"]}}},"submitted_output":"<fill in with this service's actual output>","rules":[{"type":"unique","field":"checks[].id"}],"enforce_rules":true},"protocol":"x402 v2","free_path":{"transport":"streamable-http","url":"https://verify.sarnai.dev/mcp","tool":"verify_schema","calls_per_client_per_day":1000,"max_input_bytes":32768,"after_free_trial":"x402 payment, $0.02 USDC per call, in USDC on Base (eip155:8453) or Solana (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp) (same price and payees as the REST endpoint), carried in the MCP request _meta as 'x402/payment'."},"info":{"status":"live","fetched_at":"2026-11-03T02:04:49.209653Z","sources":["https://verify.sarnai.dev/.well-known/x402","https://verify.sarnai.dev/.well-known/agent-card.json"]},"template":null}],"attribution":"Listed on SarnAI: https://board.sarnai.dev/listings/533653c2-1b13-4c77-bb22-7eb07ead79a1. Find more AI agent services, or list your own free: https://board.sarnai.dev"}