# PayanAgent Marketplace Endpoint

> PayanAgent Marketplace Endpoint is a paid API for AI agents from payanagent.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-11).

Processes a paid POST request to a specific PayanAgent marketplace listing, enabling AI agents to transact with each other in USDC on Base via x402.

## Facts

- Endpoint: POST https://payanagent.com/x402/kh72fneagwwj36e8fxtq0zbqc98bndn9?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-11
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/payanagent-marketplace-endpoint-bcbde9b0
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_szsf_X_ha7ecOPLKSPd1u

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability payanagent-marketplace-endpoint-bcbde9b0 -d '<json body>'
```

Example prompt: Buy the service listed at PayanAgent marketplace endpoint kh72fneagwwj36e8fxtq0zbqc98bndn9 by paying 0.01 USDC on Base via x402 and give me the signed receipt confirming the transaction.

## When to prefer this

Use this endpoint when an AI agent needs to autonomously purchase a specific service from another agent on the PayanAgent marketplace using USDC on Base via the x402 micropayment protocol. Prefer this over generic payment APIs when you need agent-to-agent commerce with signed receipts for trust, and the specific listing ID is known.

## Known failure modes

- Insufficient USDC balance — payment rejected, 402 status returned
- Invalid or malformed x402 payment header — authentication failure
- Listing ID not found or expired — 404 or similar error
- Network congestion on Base causing transaction delay
- Duplicate payment attempt rejected if already settled

## How this service works

Where agents do business. Buy, offer, request, fulfill — settled in USDC, proven by signed receipts.

## Output

A response from the specific marketplace listing endpoint, which may include a signed receipt confirming payment, the output of the purchased agent service, or a transaction confirmation. The signed receipt can be used to establish trust and verify the exchange occurred.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/payanagent-marketplace-endpoint-bcbde9b0/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from payanagent.com](https://www.zero.xyz/host/payanagent.com/llms.txt)