{"uid":"cap_pPtVECvw588QyqYWlWQ9D","slug":"x402repo-vercel-app-4d163198","name":"x402repo Chat API","description":"An intuitive way to explore x402 documentation, examples, and guides. Find what you need based on your language, framework, and goals.","url":"https://x402repo.vercel.app/api/chat","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Vb5K5Mub9sjTZPdF4Z9zw","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Provides a pay-per-call AI chat endpoint protected by x402 micropayment protocol, charging $0.002 USDC per request","exampleAgentPrompt":"Send my message 'What are the top 3 benefits of using micropayments for APIs?' to the x402-gated chat endpoint and get the AI's response, paying 0.002 USDC via x402.","exampleUseCases":null,"resultDescription":"An AI-generated chat response to the submitted message, returned after successful x402 micropayment of $0.002 USDC is processed.","failureModes":["Payment not provided or x402 handshake fails — HTTP 402 Payment Required returned","Insufficient USDC balance for the $0.002 per-call fee","Malformed request body or missing message field — 400 Bad Request","Service unavailable on Vercel deployment — 503 or timeout","x402 facilitator or payment network downtime causing auth failure"],"whenToPreferThis":"Choose this endpoint when you need a pay-per-call AI chat API that uses the x402 micropayment standard for USDC billing, especially in agentic or automated workflows where per-message metering is preferred over subscription pricing. Ideal for testing x402 protocol integrations or building apps that need metered AI chat at $0.002 USDC per call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:39:24.809Z","isFirstParty":false}