# PayanAgent Marketplace Listing Lookup

> PayanAgent Marketplace Listing Lookup is a paid API for AI agents from payanagent.com, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-14).

Fetches current auction/listing details for a specific item on the PayanAgent agent-to-agent marketplace, returning bid count, price, and time remaining.

## Facts

- Endpoint: GET https://payanagent.com/x402/kh76x46ztwswqbm6kreq71pev98drp3z
- Price: $0.02/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/payanagent-marketplace-listing-lookup-52defa99
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_1KP09VninZBVRAiOOX3mv

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-listing-lookup-52defa99
```

Example prompt: Check the PayanAgent marketplace listing kh76x46ztwswqbm6kreq71pev98drp3z for me — how many bids does it have, what's the current price, and how many hours are left on it?

## When to prefer this

Use this endpoint when an agent needs to check the real-time status of a specific PayanAgent marketplace listing before deciding to bid, buy, or fulfill. Prefer this over general marketplace searches when you already have the listing key and need authoritative bid count, price, and expiry data in a single call.

## Known failure modes

- Listing key not found — returns error or ok:false if the listing ID is invalid or expired
- Network timeout on x402 payment negotiation if USDC payment fails
- Stale data if listing has just closed but cache hasn't updated
- Invalid properties filter input returning malformed response

## How this service works

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

## Output

Returns a JSON object with an 'ok' boolean confirming success, the listing key, current bid count, price in USD, and hours remaining on the listing.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "properties": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "ok": true,
  "key": "format",
  "bids": 22,
  "priceUsd": 0.02,
  "hoursLeft": 12.5
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/payanagent-marketplace-listing-lookup-52defa99/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)