{"uid":"cap_-rgNF3erpP9oMxn26MC6Y","slug":"x402-validator-strict-v2-conformance-auditor-fdfd6c7b","name":"x402 Validator — Strict-v2 Conformance Auditor","description":"Audit any x402 merchant endpoint for strict-v2 conformance in ~580 ms. Live demo, no signup · Free, Pro ($9/mo), Enterprise ($49/mo). Hosted by Gael L Chulim.","url":"https://x402-validator-tools.onrender.com/validate?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","required":["url"],"properties":{"url":{"type":"string","description":"Target merchant URL to audit (http or https)"},"mode":{"type":"string","description":"standard | marketplace"},"advise":{"type":"boolean","description":"Attach Qwen AI remediation advice (requires DASHSCOPE_API_KEY server-side)"},"explain":{"type":"boolean","description":"Attach a plain-language AI summary of the result for non-experts (requires DASHSCOPE_API_KEY server-side)"}}},"responseSchema":{"type":"object","title":"ValidateResponse","required":["url","overall","summary","checks","timestamp"],"properties":{"url":{"type":"string","title":"Url"},"checks":{"type":"array","items":{"type":"object","title":"CheckResultItem","required":["name","status","message"],"properties":{"name":{"type":"string","title":"Name"},"status":{"type":"string","title":"Status"},"details":{"anyOf":[{"type":"object","additionalProperties":true},{"type":"null"}],"title":"Details"},"message":{"type":"string","title":"Message"}},"description":"One check result, flattened for JSON consumers."},"title":"Checks"},"overall":{"type":"string","title":"Overall"},"summary":{"type":"string","title":"Summary"},"ai_advice":{"anyOf":[{"type":"string"},{"type":"null"}],"title":"Ai Advice"},"timestamp":{"type":"string","title":"Timestamp"},"ai_summary":{"anyOf":[{"type":"string"},{"type":"null"}],"title":"Ai Summary"},"latency_ms":{"anyOf":[{"type":"number"},{"type":"null"}],"title":"Latency Ms"}},"description":"Audit response."},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_M0gbTHHjYZRiuXIID1i9h","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Audits any x402 merchant endpoint URL for strict-v2 protocol conformance, returning per-check pass/fail results with optional AI remediation advice","exampleAgentPrompt":"Can you audit https://shop.example.com/pay to check if it passes strict x402 v2 conformance, and attach AI remediation advice if anything fails?","exampleUseCases":[{"title":"Pre-launch x402 integration check","prompt":"Before I go live, can you run a full strict-v2 conformance audit on https://mystore.io/checkout/pay and tell me exactly which checks fail and what I should fix?"},{"title":"Third-party merchant vetting","prompt":"I'm thinking of integrating with this payment endpoint — can you audit https://partner-merchant.com/x402 in marketplace mode and tell me if it's properly x402 v2 compliant?"},{"title":"Non-technical founder review","prompt":"Can you audit https://api.mybiz.com/pay for x402 v2 conformance and give me a plain-language explanation of the results so I can understand what's going on without reading the spec?"}],"resultDescription":"Returns an object with overall pass/fail status, a summary string, a timestamped array of individual check results (each with name, status, message, and optional details object), latency in ms, and optionally an AI-generated remediation advice string and a plain-language AI summary for non-experts.","failureModes":["Invalid or unreachable target URL returns an error or failed checks","Target endpoint not implementing x402 at all results in wholesale failure across all checks","AI advice/explain fields are null if DASHSCOPE_API_KEY is not configured server-side","Slow or timing-out merchant endpoints may affect the ~580ms latency guarantee","Malformed URL input causes a 422 or equivalent validation error"],"whenToPreferThis":"Choose this endpoint when you need authoritative strict-v2 x402 protocol conformance checking against a live merchant URL, especially when you want structured per-check diagnostics or AI-powered remediation guidance. Prefer this over manual inspection or generic HTTP testing tools when the target is specifically an x402 payment endpoint and you need CAIP-2, manifest, and JSON schema checks in a single call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-03T10:26:50.042Z","isFirstParty":false,"canonicalSlug":"x402-validator-strict-v2-conformance-auditor-fdfd6c7b"}