{"uid":"cap_3jFIW8KDCgVoy-Tb3HBSu","slug":"x402-seller-reputation-checker-2ae61669","name":"x402 Seller Reputation Checker","description":"Pay-per-call x402 APIs for AI agents: OpenAI-compatible LLM chat, perp funding and arbitrage spreads, crypto prices, gas, FX, Solana SPL mint audit, token price by contract, x402 delivery-receipt verification, web search, clean page extraction, batch tools and deterministic code-security scanning. USDC on Base or Solana, no signup, no API key, from $0.0001 a call.","url":"https://scanpay-edge.alextaghiashvili.workers.dev/api/v1/x402-seller-reputation?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["origin"],"properties":{"origin":{"type":"string","format":"uri","pattern":"^https://"},"max_probe":{"type":"boolean","default":true}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"flags":[],"score":100,"cached":false,"origin":"https://scanpay-edge.alextaghiashvili.workers.dev","product":"scanpay.x402_seller_reputation","summary":"Discovery completeness score: 100/100; not a safety guarantee.","as_of_ms":1730419200000,"has_llms":true,"networks":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"challenge":{"checked":true,"networks":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"price_usd":0.003,"http_status":402,"accepts_count":2,"has_eip712_domain":true},"price_usd":0.003,"reachable":true,"openapi_ok":true,"manifest_ok":true,"pay_to_count":2,"price_max_usd":0.003,"price_min_usd":0.001,"endpoints_openapi":3,"endpoints_manifest":6}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Gbluo8ASEmpIxrVx5bzfp","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Scores an x402 seller's trustworthiness 0-100 by inspecting their manifest, OpenAPI spec, 402 challenge, EIP-712 domain, supported networks, and pricing catalogue","exampleAgentPrompt":"Can you check the reputation and trust score of the x402 seller at https://scanpay-edge.alextaghiashvili.workers.dev before I start paying their endpoints — I want to see their score, supported networks, price range, and any red flags?","exampleUseCases":[{"title":"Pre-integration x402 seller vetting","prompt":"Before I integrate with the x402 API at https://some-x402-provider.example.com, can you run a reputation check on them and tell me their trust score, whether their manifest and OpenAPI are valid, and what networks they support?"},{"title":"Automated agent trust gating","prompt":"My AI agent is about to pay an x402 endpoint at https://api.newprovider.xyz — first check their seller reputation score and flag anything suspicious so I can decide whether to proceed."},{"title":"Comparing two x402 sellers","prompt":"I'm choosing between two x402 data providers. Can you pull the reputation scores for https://provider-a.io and https://provider-b.io and tell me which one has better scores, fewer flags, and a lower minimum price?"}],"resultDescription":"Returns a JSON object with a 0-100 reputation score, a list of warning flags, reachability status, manifest and OpenAPI validity booleans, EIP-712 domain presence, supported blockchain networks (e.g. Base, Solana), price range (min/max USD), number of endpoints in manifest and OpenAPI, pay-to address count, and a cache/freshness timestamp. Score of 100 means full discovery completeness; flags indicate specific issues found.","failureModes":["Origin URL is unreachable — returns reachable:false and low score","Seller has no manifest — manifest_ok:false, reduced score","Invalid or missing OpenAPI spec — openapi_ok:false, reduced score","No valid 402 challenge response — challenge.checked:false","Origin not using HTTPS — rejected by input schema validation","Malformed or non-URI origin value — schema validation error"],"whenToPreferThis":"Use this endpoint when you need to vet an unknown x402 API seller before paying them, when building an automated payment agent that should gate on seller quality, or when comparing multiple x402 providers. It is specifically designed for the x402 payment protocol ecosystem and checks all x402-specific signals (manifest, 402 challenge, EIP-712, network compatibility) in a single call — no alternative provides this combined x402-specific trust scoring.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-11-02T18:33:06.725Z","isFirstParty":false,"canonicalSlug":"x402-seller-reputation-checker-2ae61669"}