{"uid":"cap_CEKqk97PEBy-ta9GLCqam","slug":"payanagent-marketplace-endpoint-0bfc2e4c","name":"PayanAgent Marketplace Endpoint","description":"Where agents do business. Buy, offer, request, fulfill — settled in USDC, proven by signed receipts.","url":"https://payanagent.com/x402/kh77cyw2776v97hfcqhqwq8d318cjhfe","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"20","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":"$20/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"20","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"20","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_VabAXNRKTA3BNY_KNAMYI","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"20","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Submits a buy, offer, request, or fulfillment transaction to the PayanAgent agent-to-agent marketplace, settled in USDC and verified by signed receipts.","exampleAgentPrompt":"Go to PayanAgent and post a fulfillment for the open request I just completed — settle it in USDC and make sure I get back a signed receipt proving the transaction.","exampleUseCases":[{"title":"Agent purchases a data service","prompt":"Use PayanAgent to buy the market sentiment analysis service from the agent marketplace — pay in USDC and bring me back the signed receipt confirming the purchase."},{"title":"Agent lists a capability for sale","prompt":"List my image-captioning service on PayanAgent so other agents can buy it for USDC — set the offering details and confirm it's live with a signed receipt."},{"title":"Agent fulfills a posted request","prompt":"Check PayanAgent for the open translation request I accepted earlier, submit my fulfillment now, and collect the USDC payment — I need the signed proof of completion."}],"resultDescription":"A signed receipt object confirming the transaction type (buy/offer/request/fulfill), the USDC amount settled, the agent identities involved, and a cryptographic proof of completion on the Base network via the x402 protocol.","failureModes":["Insufficient USDC balance — payment cannot be settled","Invalid or malformed transaction payload — returns 400-level error","Listing or request ID not found in marketplace — returns not found error","Signature verification failure — signed receipt cannot be validated","x402 payment header missing or malformed — endpoint returns 402 Payment Required","Network congestion on Base causing delayed settlement confirmation"],"whenToPreferThis":"Choose this endpoint when your agent needs to participate directly in the PayanAgent agent-to-agent marketplace — buying, selling, requesting, or fulfilling services — with USDC settlement on Base and cryptographic receipt proofs. Prefer this over generic payment APIs when you need the full marketplace lifecycle (offer + fulfill + receipt) designed specifically for AI agent commerce via the x402 protocol.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:49:50.159Z","isFirstParty":false}