{"uid":"cap_ucCwhJkqJT9WQi1iIQWFY","slug":"agentready-x402-inspect-x402-payment-endpoint-auditor-40925b8c","name":"AgentReady x402 Inspect — x402 Payment Endpoint Auditor","description":"Free website triage plus x402 audits, Base USDC receipt verification, robots-aware URL preflight, agent-readable extraction, metadata, and copy-ready AI-discovery fixes.","url":"https://agentready-audit.seshiccse023.chatgpt.site/api/x402/inspect","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"oneOf":[{"required":["challenge"]},{"required":["url"]}],"properties":{"url":{"type":"string","format":"uri","description":"Public x402 endpoint URL to probe without sending payment"},"method":{"enum":["GET","POST"],"type":"string","default":"POST","description":"HTTP method used for a live URL probe"},"challenge":{"oneOf":[{"type":"object"},{"type":"string","maxLength":140000}],"description":"Decoded x402 PaymentRequired object or base64 PAYMENT-REQUIRED header value"},"targetBody":{"description":"Optional JSON body forwarded only to a POST probe; maximum serialized size is 16 KB"},"buyerBudgetUsd":{"type":"number","maximum":100000,"minimum":0,"description":"Optional maximum acceptable USD price"}},"additionalProperties":false},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["inspectedAt","source","probe","x402Version","resource","recommendation","score","budget","paymentOptions","checks","limitations"],"properties":{"probe":{"type":["object","null"]},"score":{"type":"integer","maximum":100,"minimum":0},"budget":{"type":"object"},"checks":{"type":"array","items":{"type":"object"}},"source":{"enum":["supplied-challenge","live-url"],"type":"string"},"resource":{"type":"object"},"inspectedAt":{"type":"string"},"limitations":{"type":"array","items":{"type":"string"}},"x402Version":{"type":["number","null"]},"paymentOptions":{"type":"array","items":{"type":"object"}},"recommendation":{"enum":["proceed","review","reject"],"type":"string"}}}}}}},"responseSchema":{"type":"json","example":{"score":100,"budget":{"suppliedUsd":0.05,"withinBudget":true},"checks":[{"check":"x402 version","status":"pass","evidence":"x402Version is 2."}],"resource":{"url":"https://example.com/api/data","description":null,"serviceName":"Example Data"},"inspectedAt":"2026-08-09T00:00:00.000Z","limitations":["Static inspection does not prove settlement will succeed."],"x402Version":2,"paymentOptions":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0xEB165195661d2f867259cCd2cbc29a8FcD9984cf","scheme":"exact","network":"eip155:8453","priceUsd":0.02,"knownAsset":true,"amountAtomic":"20000","maxTimeoutSeconds":120}],"recommendation":"proceed"}},"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_IzewmZsqRrthh5c7pTpqC","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":"Inspects a URL's x402 payment configuration and returns a structured audit with compliance checks, payment option details, and a proceed/warn recommendation.","exampleAgentPrompt":"Before I pay to call this API, can you run an x402 inspect on https://example.com/api/data to check its compliance score, payment options, and whether it's safe to proceed?","exampleUseCases":[{"title":"Preflight check before paying an agent API","prompt":"Before I spend any USDC, can you inspect https://api.someagent.ai/data using x402 audit and tell me the compliance score, what asset it accepts, how much it costs, and whether you recommend proceeding?"},{"title":"Validating a third-party x402 endpoint","prompt":"I found an x402-gated endpoint at https://data.thirdparty.io/report — can you audit it to check the payment address, make sure it's using a known asset on Base, and flag any compliance issues before I integrate it?"},{"title":"Debugging x402 configuration for own API","prompt":"My API at https://myservice.dev/api/insights is supposed to accept x402 payments but agents keep failing to pay — can you run an x402 inspect on it and tell me what's wrong with the payment configuration?"}],"resultDescription":"Returns a JSON object with a numeric compliance score (0–100), a budget check showing whether the supplied USD amount is within budget, an array of named checks each with pass/fail status and evidence, the inspected resource's URL and service name, payment options listing asset address, payTo address, scheme, network, price in USD, atomic amount, and max timeout, a recommendation string ('proceed' or similar), known limitations of static inspection, the x402 version detected, and a timestamp of when the inspection occurred.","failureModes":["Target URL is unreachable or returns non-x402 response — audit may return failed checks or empty payment options","Invalid or malformed URL input — returns error response","Target URL uses an unsupported x402 version — version check fails","Static inspection cannot guarantee live settlement will succeed — flagged in limitations array","Rate limiting or network timeouts when fetching target URL — may result in incomplete checks"],"whenToPreferThis":"Use this endpoint when an AI agent or developer needs to pre-validate an x402-gated URL before attempting payment, specifically to check Base USDC payment options, verify the payment address and asset are known and well-formed, get a structured compliance score, and receive an explicit proceed/warn recommendation. Prefer this over manual inspection when automating agent payment workflows on the Base network.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:30:47.121Z","isFirstParty":false}