{"uid":"cap_WehkfxbptdVJEEPFCHr3A","slug":"revenue-swarm-x402-seller-fix-diagnostic-ecf2c1f6","name":"Revenue Swarm x402 Seller Fix Diagnostic","description":"Pay-per-call B2B sales lead and procurement intelligence plus Base wallet data for agents. Search EU tenders/RFPs or inspect a Base wallet. Payments use x402 USDC on Base.","url":"https://eu-tender-x402-v3-production.up.railway.app/api/x402-seller-fix?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"url":{"type":"string","description":"Public x402 endpoint to diagnose"},"body":{"description":"Optional JSON body for non-GET probes"},"method":{"type":"string","default":"GET","description":"HTTP method"}}},"responseSchema":{"type":"json","example":{"score":88,"method":"GET","product":"x402 Seller Fix","summary":{"checks":10,"failed":2,"passed":8,"critical_failed":0},"verdict":"needs-fixes","findings":[{"id":"openapi","fix":"Publish /openapi.json","pass":false}],"observed":{"http_status":402,"x402_version":2,"accepts_count":1},"audited_url":"https://api.example.com/paid"}},"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_aiu8-1JKS8fNJvUR-ZB5U","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":"Audits a public x402-enabled endpoint for compliance, correctness, and implementation quality, returning a scored report with actionable findings.","exampleAgentPrompt":"Can you run the x402 seller fix audit on my endpoint at https://api.myservice.com/paid using a GET request and tell me what's failing and how to fix it?","exampleUseCases":[{"title":"Pre-launch x402 API health check","prompt":"Before I go live, can you audit my x402 endpoint at https://api.myapp.com/search with a GET request and give me a compliance score plus a list of everything I need to fix?"},{"title":"Debugging a failing x402 payment flow","prompt":"My x402 endpoint at https://api.myservice.com/data keeps failing — can you diagnose it with a GET request and tell me what checks are passing or failing?"},{"title":"Verifying openapi spec presence on x402 endpoint","prompt":"Can you check whether my x402 endpoint at https://api.mybusiness.com/report has a valid openapi.json published? Use GET and show me the full findings report."}],"resultDescription":"Returns a JSON object with a numeric compliance score (0-100), an overall verdict (e.g. 'needs-fixes' or 'compliant'), a summary of how many checks passed/failed (including critical failures), a list of individual findings with IDs and suggested fixes, and observed HTTP metadata such as status code and x402 version.","failureModes":["Unreachable target URL returns connection error","Non-x402 endpoint returns unexpected HTTP status causing low score","Missing or malformed response body from target endpoint","Invalid method value causes request rejection","Target endpoint behind auth wall prevents proper inspection"],"whenToPreferThis":"Use this endpoint when you need to programmatically audit an x402-enabled API for standards compliance before deployment, troubleshoot why an x402 payment flow is broken, or get a structured checklist of fixes for a seller-side x402 implementation. Prefer this over manual inspection when you want a scored, reproducible compliance report with specific fix guidance.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T02:24:31.185Z","isFirstParty":false,"canonicalSlug":"revenue-swarm-x402-seller-fix-diagnostic-ecf2c1f6"}