{"uid":"cap_mq4D1bz0-D61vplrXN-zP","slug":"x402-endpoint-diligence-price-benchmarking-6cf9cbe8","name":"x402 Endpoint Diligence & Price Benchmarking","description":"Runs live diligence on an x402-metered endpoint before you pay it: verifies its 402 payment challenge is spec-compliant, checks the price against market baselines, inspects the payTo address on-chain (Base), checks third-party directory presence, and checks basic infra hygiene. Returns a 0-100 score, a pass/caution/fail verdict, and per-check evidence.; Compares an x402 endpoint's price (or a given price/category pair) against market percentiles from our daily radar snapshot of the x402 ecosystem.","url":"https://diligence.x402supply.com/mcp","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"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":"unknown","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_qVZlBdNaaMEDJuCU122HV","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":"Runs live due-diligence checks on an x402-metered API endpoint — validating 402 spec compliance, benchmarking price against market percentiles, inspecting the payTo address on-chain, and checking directory presence — then returns a 0-100 score, a pass/caution/fail verdict, and per-check evidence.","exampleAgentPrompt":"Before I pay this x402 endpoint at https://api.example.com/data, run a full diligence check on it — verify the 402 challenge is spec-compliant, check the payTo address on Base, benchmark its price against the market, and give me the pass/caution/fail verdict with the score.","exampleUseCases":[{"title":"Pre-payment safety check for unknown API","prompt":"I found this x402-metered endpoint at https://api.someprovider.com/summarize and I'm about to pay it — can you run diligence on it first and tell me if it passes, what score it gets, and whether anything looks suspicious?"},{"title":"Price sanity check before integrating","prompt":"This x402 API charges $0.05 per call in the 'text-summarization' category — is that price reasonable or is it way above market? Run a price benchmark against the x402 ecosystem and tell me what percentile it falls in."},{"title":"Automated trust gate in agent pipeline","prompt":"My agent is about to call an x402 endpoint it discovered at https://unknown-vendor.io/mcp — before it pays, run the diligence check and only proceed if the verdict is 'pass' with a score above 70."}],"resultDescription":"Returns a 0-100 integer diligence score, a verdict of 'pass', 'caution', or 'fail', and structured per-check evidence covering: 402 spec compliance, price vs. market percentiles (from x402supply's daily radar snapshot), on-chain inspection of the payTo address on Base, third-party directory presence, and basic infrastructure hygiene.","failureModes":["Endpoint unreachable — 402 challenge cannot be fetched, check fails with network error","payTo address not on Base — on-chain check fails or returns no data","Endpoint not found in x402 ecosystem snapshot — price benchmark unavailable for that category","Invalid URL input — returns validation error","Ambiguous or missing category — price percentile comparison may be skipped"],"whenToPreferThis":"Use this endpoint whenever an AI agent or developer discovers an unknown x402-metered API and needs to assess trust before committing a payment. It is the right choice when you need a composite diligence signal — spec compliance + price fairness + on-chain address verification + directory presence — in a single call, rather than querying each dimension separately. Prefer it over manual inspection when operating autonomously at scale or when integrating new x402 endpoints into a production agent pipeline.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:38:29.179Z","isFirstParty":false}