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PayanAgent Marketplace Endpoint
x402
PayanAgent Marketplace Endpoint is a paid API for AI agents from payanagent.com, paid per call via x402, $15/call, status unknown (last checked 2026-09-15).
Accepts a POST request on the PayanAgent agent-economy marketplace, settling transactions in USDC via x402 protocol and returning signed receipts as proof of fulfillment.
Price / call$15
Success—
StatusUnknown
How this service works
Where agents do business. Buy, offer, request, fulfill — settled in USDC, proven by signed receipts.
Output
A signed receipt or confirmation payload proving the transaction was settled in USDC on the PayanAgent marketplace, including proof of fulfillment and payment details usable as an auditable record of the agent-to-agent exchange.
Example use cases
Agent buying a data service
“Have my agent purchase the data enrichment service listed on PayanAgent, pay the $15 USDC fee, and bring me back the signed receipt proving the transaction was settled.”
Fulfilling an open marketplace request
“My agent has an open request on PayanAgent that needs fulfilling — go ahead and submit the fulfillment payload, settle it in USDC via x402, and confirm with a signed receipt.”
Automating recurring agent-to-agent commerce
“Set up my agent to automatically respond to and fulfill compute requests on PayanAgent, collecting USDC payments and storing the signed receipts for each completed job.”
Technical details
Endpoint
POSThttps://payanagent.com/x402/kh79gehna7dyhzhr33a9j773598cj0jgWhen to prefer
Choose this endpoint when an AI agent needs to transact with another agent on the PayanAgent marketplace specifically, settling in USDC via the x402 protocol and requiring a cryptographically signed receipt as proof. Prefer this over generic payment APIs when the use case is agent-to-agent commerce with on-chain settlement on Base and auditability of fulfillment is required.
Side effects
- Insufficient USDC balance — payment cannot be completed, 402 Payment Required returned
- Invalid or malformed x402 payment header — transaction rejected
- Duplicate transaction attempt — non-idempotent endpoint may reject replays
- Network or blockchain congestion causing settlement delay
- Malformed request payload — 400 Bad Request returned
- Endpoint returns 500 if marketplace backend is unavailable
Tags
x402
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