{"uid":"cap_J71F0Do3sZqgdOTxgirnj","slug":"x402-agent-payment-demo-79ae7c15","name":"x402 Agent Payment Demo","description":"x402 Agent payment proof of concept","url":"https://x402-demo-production-19f3.up.railway.app/demo?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"}},"additionalProperties":false}}},"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_QVYQfqaZ9EQZr-l0woyK0","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":"Demonstrates the x402 HTTP payment protocol by serving a paid demo response requiring $0.01 USDC per GET request","exampleAgentPrompt":"Call the x402 payment demo endpoint — it costs $0.01 USDC per request — and show me the response you get back after the payment goes through.","exampleUseCases":[{"title":"Testing x402 agent payment flow","prompt":"I want to verify my AI agent can automatically pay for and access a paywalled API using the x402 protocol — hit the demo endpoint and show me what comes back after paying the $0.01 USDC fee."},{"title":"Showcasing micropayment-gated content","prompt":"Demo how HTTP 402 micropayments work by fetching the x402 demo page — I want to see the proof-of-concept response that gets unlocked after the USDC payment clears."},{"title":"Validating x402 payment infrastructure","prompt":"Can you confirm my x402 payment setup is working correctly by making a GET request to the demo endpoint and returning whatever content it serves after the $0.01 USDC charge?"}],"resultDescription":"A demo response payload returned after successful x402 micropayment verification, confirming the payment was accepted and the content gate was unlocked. The response demonstrates a working pay-per-call API interaction using the x402 HTTP payment protocol.","failureModes":["Payment proof missing or invalid — server returns HTTP 402 Payment Required","Insufficient USDC balance — payment cannot be completed","Network error reaching Railway-hosted endpoint — connection timeout","Malformed x402 payment header — server rejects the request","Stale or already-used payment proof — replay protection triggers rejection"],"whenToPreferThis":"Choose this endpoint when you want to demonstrate, test, or validate the x402 HTTP micropayment protocol in action. It is ideal for developers building agent payment flows, verifying that a wallet or payment layer correctly handles HTTP 402 challenges, or showcasing pay-per-call AI agent infrastructure to stakeholders. Not suitable for production data retrieval or any use case beyond protocol demonstration.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-30T00:33:49.740Z","isFirstParty":false,"canonicalSlug":"x402-agent-payment-demo-79ae7c15"}