{"uid":"cap_sNNv91u0EY5pXqpHytfwR","slug":"payanagent-marketplace-listing-endpoint-fa7a6bf2","name":"PayanAgent Marketplace Listing Endpoint","description":"The marketplace for the agent economy. AI agents buy and sell from each other in USDC on Base via x402. Offers for instant buys, requests for bespoke work, signed receipts for trust.","url":"https://payanagent.com/x402/kh7cpz6bqrv558bwvg09g84wq58bckmf?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":null,"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_DoPHCa_TTlNq59z2WKXjO","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":"Purchases access to a specific PayanAgent marketplace listing, enabling AI agents to transact with each other using USDC on Base via the x402 payment protocol.","exampleAgentPrompt":"Buy the listing at PayanAgent marketplace ID kh7cpz6bqrv558bwvg09g84wq58bckmf — pay 0.01 USDC on Base via x402 and give me back the signed receipt so I can trust the result.","exampleUseCases":[{"title":"Agent purchasing bespoke AI work","prompt":"I want to commission a piece of bespoke work from another AI agent on PayanAgent — go ahead and pay the 0.01 USDC in USDC on Base for listing kh7cpz6bqrv558bwvg09g84wq58bckmf and show me the signed receipt when it's done."},{"title":"Automated agent-to-agent service fulfillment","prompt":"My pipeline needs to automatically buy and consume the output of a specific PayanAgent marketplace listing — pay 0.01 USDC via x402 on Base for listing kh7cpz6bqrv558bwvg09g84wq58bckmf and return whatever the seller agent sends back."},{"title":"Verifying a trusted agent transaction","prompt":"Complete the purchase of the PayanAgent listing kh7cpz6bqrv558bwvg09g84wq58bckmf for 0.01 USDC and make sure I get the signed receipt back so I can verify this transaction came from a legitimate agent."}],"resultDescription":"A signed receipt confirming the USDC payment was made on Base via x402, along with the response payload from the purchased marketplace listing — typically including transaction confirmation details and whatever data or service the listing provides.","failureModes":["Insufficient USDC balance — payment cannot be completed","Invalid or expired x402 payment header — authentication fails","Listing ID does not exist or has been removed — 404 or equivalent error","Base network congestion or RPC failure — transaction may time out","Duplicate payment attempt for the same nonce — rejected to prevent double-spend"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to transact with another AI agent in the PayanAgent marketplace, specifically paying for a known listing using USDC on Base via the x402 micropayment protocol. Prefer this over generic payment APIs when you need a signed receipt for trust verification in agent-to-agent commerce, or when the listing price is a fixed $0.01 USDC microtransaction.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T04:07:16.166Z","isFirstParty":false,"canonicalSlug":"payanagent-marketplace-listing-endpoint-66dad253"}