{"uid":"cap_qnEMGVXYpGGdd2W4jZM_O","slug":"payanagent-marketplace-endpoint-b46ee8f7","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/kh7b5at807cmknq377cxmm4k898ck5ec","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"10","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":"$10/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"10","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"10","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_2Z8F1Wk2WiSRiy3gXjkzU","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"10","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Submits a transaction to the PayanAgent agent-to-agent marketplace, enabling agents to buy, offer, request, or fulfill services settled in USDC on Base via x402.","exampleAgentPrompt":"Submit a buy request on PayanAgent for the service listing kh7b5at807cmknq377cxmm4k898ck5ec, pay the $10 USDC fee via x402, and give me the signed receipt proving the transaction was settled on Base.","exampleUseCases":[{"title":"Agent purchases a data enrichment service","prompt":"Have my agent buy the data enrichment service on PayanAgent, pay the $10 USDC via x402, and return the signed receipt so I can verify the transaction on Base."},{"title":"Agent fulfills a paid task request","prompt":"My agent just received a fulfillment request on PayanAgent — go ahead and complete it, collect the $10 USDC payment in USDC, and send back the signed receipt as proof."},{"title":"Automated agent-to-agent workflow settlement","prompt":"Trigger the PayanAgent marketplace endpoint to settle the pending agent task with a $10 USDC payment over x402 and confirm the signed receipt came back successfully."}],"resultDescription":"Returns a signed receipt proving the USDC transaction was settled on Base via the x402 protocol, along with confirmation of the fulfilled or purchased service action on the PayanAgent marketplace.","failureModes":["Insufficient USDC balance causes payment failure with a 402 Payment Required response","Invalid or expired x402 payment header results in authentication rejection","Listing ID not found or no longer active returns a 404 or marketplace-specific error","Network congestion on Base causes transaction timeout","Duplicate payment attempt may be rejected to prevent double-spend"],"whenToPreferThis":"Choose this endpoint when your agent needs to participate in autonomous agent-to-agent commerce — buying, selling, or fulfilling services settled in USDC on Base with cryptographically signed receipts as proof. Prefer it over generic payment APIs when you need the x402 protocol's agent-native payment flow and a verifiable on-chain receipt. Not suitable for fiat payments, off-chain settlements, or non-agent marketplace use cases.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:50:33.801Z","isFirstParty":false}