{"uid":"cap_oDJ9sYvWqgMWVz3oUtH-K","slug":"faro-x402-payment-support-checker-2b48cbad","name":"Faro x402 Payment Support Checker","description":"Single-signal check: can AI agents pay this website? Detects x402 support, /.well-known payment discovery and agent-commerce readiness. Returns yes/no plus underlying checks and fixes. Useful before attempting autonomous purchase from a site.","url":"https://byfaro.ai/agent/check/x402","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"url":{"type":"string","description":"Absolute URL of the website to scan, e.g. https://example.com"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/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_-1W4gUSXX_OX7nQUB0lR-","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":"Checks whether a website supports x402 HTTP payment protocol and agent-commerce payment discovery, returning a yes/no verdict plus detailed sub-checks and remediation hints.","exampleAgentPrompt":"Before I try to buy something from acme-api.com, check whether it supports x402 payments so my agent knows if it can pay autonomously.","exampleUseCases":[{"title":"Pre-purchase payment compatibility check","prompt":"I want my agent to buy a report from datavendor.io — can you first check if their site supports x402 so we know whether autonomous payment will work?"},{"title":"Vetting new API vendors for agent pipeline","prompt":"We're considering integrating three new data providers into our agent workflow — start by checking if api.newsservice.com supports x402 agent payments and report what's missing if it doesn't."},{"title":"Debugging failed autonomous payment attempt","prompt":"My agent tried to pay infra-tools.dev and it failed — can you run an x402 check on that site to see what payment support is actually in place and what needs to be fixed?"}],"resultDescription":"Returns a boolean yes/no verdict on whether the site is x402-ready, along with granular sub-check results covering x402 HTTP header support, /.well-known payment discovery endpoint presence, and agent-commerce readiness signals, plus actionable fixes for any failed checks.","failureModes":["Invalid or unreachable URL returns an error with no scan results","URL missing scheme (not absolute) causes validation failure","Site behind firewall or CAPTCHA may return inconclusive results","Timeouts on slow-responding sites may yield incomplete sub-checks","False negatives if x402 signals are dynamically injected client-side"],"whenToPreferThis":"Use this endpoint when an AI agent needs to determine before attempting a purchase whether a target website is capable of receiving autonomous x402 payments — especially useful in agentic shopping workflows, API integration vetting, and debugging payment failures. Prefer this focused x402 check over Faro's full 47-point audit when you only need the payment-readiness signal quickly and cheaply.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:37:28.064Z","isFirstParty":false}