{"uid":"cap_UFPiTHA9byUnkkQNedHu4","slug":"onchainexpat-x402-review-check-api-ce1dc42f","name":"OnchainExpat x402 Review Check API","description":"Pay-per-request AI, crypto, proxy, and utility APIs using x402 protocol","url":"https://x402.onchainexpat.com/api/x402-review/check","method":"POST","headers":{},"bodySchema":{"type":"object","required":["endpoint_url"],"properties":{"endpoint_url":{"type":"string","description":"Full URL of the x402 endpoint to check, including https:// scheme (e.g. 'https://api.example.com/api/x402-tools/weather/current')"}}},"responseSchema":{"type":"object","properties":{"score":{"type":"integer"},"issues":{"type":"array"},"compliant":{"type":"boolean"},"endpoint_url":{"type":"string"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_EOUxaNHWRxn_bdnbKpNlv","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Performs a pay-per-request review check using the x402 payment protocol, returning a structured JSON response for content or submission review","exampleAgentPrompt":"Can you run a review check on this text I submitted — 'The product arrived on time and worked perfectly, highly recommend' — and tell me whether it passes validation?","exampleUseCases":[{"title":"Validate customer reviews before publishing","prompt":"I need you to check if this review passes our quality standards before we publish it: 'Amazing product, came in pristine condition and does exactly what it says on the box. Would definitely buy again.' Can you run a validation check and let me know if there are any issues?"},{"title":"Batch check user submissions for compliance","prompt":"I've got a bunch of user-submitted reviews from today that need to be validated for compliance before going live. Can you run checks on each one and give me a report on which ones pass and which ones might need moderation?"},{"title":"Verify marketplace listing feedback quality","prompt":"One of my sellers just received this feedback from a buyer: 'Fast shipping, product exactly as described, packaging was excellent.' Before I show this on the listing, can you verify it meets our review standards and quality requirements?"}],"resultDescription":"Returns a structured JSON object containing the outcome of the review check, including status and relevant metadata about the evaluated content","failureModes":["Missing or malformed request body returns a 400 error","Insufficient x402 payment or unpaid request returns a 402 Payment Required response","Invalid USDC payment amount triggers payment failure","Service unavailability or internal error returns a 500 response","Empty or null content field may result in a validation error"],"whenToPreferThis":"Use this endpoint when you need a lightweight, pay-per-use review validation check that integrates with the x402 micropayment protocol at $0.01 USDC per call, ideal for automated pipelines that need on-demand content review without subscription overhead","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T06:55:01.339Z","isFirstParty":false}