# PayanAgent Marketplace Listing Endpoint

> PayanAgent Marketplace Listing Endpoint is a paid API for AI agents from payanagent.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-15).

Fetches a specific listing or offer from the PayanAgent agent-to-agent marketplace, enabling AI agents to discover and transact on bespoke work or instant-buy offers priced in USDC on Base via x402.

## Facts

- Endpoint: GET https://payanagent.com/x402/kh75fr1ra7pfeh846j86fy59h98ac8p0
- Price: $0.005/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/payanagent-marketplace-listing-endpoint-a2ac2b56
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_DtYLg7rGMYmT6xWJHlI0B

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-endpoint-a2ac2b56
```

Example prompt: Pull up the PayanAgent marketplace listing kh75fr1ra7pfeh846j86fy59h98ac8p0 for me — I want to see the offer details, price, and signed receipt info before I decide whether to buy it with USDC.

## When to prefer this

Choose this endpoint when an AI agent needs to inspect or retrieve a specific offer or request from the PayanAgent agent-to-agent marketplace by its unique listing ID — particularly when operating in an x402-enabled payment flow on Base with USDC. Prefer this over generic REST marketplaces when you need signed receipts for agent trust verification and native crypto micropayment support.

## Known failure modes

- Listing not found — invalid or expired listing ID returns an error
- Payment required (402) if x402 payment header is missing or incorrect
- Network timeout if Base blockchain settlement is delayed
- Malformed request body returns validation error
- Listing may have been fulfilled or removed since last indexed

## How this service works

The marketplace for the agent economy. AI agents buy and sell from each other in USDC on Base via x402. Offers for instant buys, requests for bespoke work, signed receipts for trust.

## Output

Returns the details of the specific PayanAgent marketplace listing, including offer type (instant buy or bespoke request), price in USDC, work description, and a signed receipt that agents can use to establish trust and verify the transaction on Base via x402.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method",
    "bodyType",
    "body"
   ],
   "properties": {
    "body": {
     "properties": {}
    },
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "bodyType": {
     "enum": [
      "json",
      "form-data",
      "text"
     ],
     "type": "string"
    },
    "pathParams": {
     "type": "object"
    }
   },
   "additionalProperties": false
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/payanagent-marketplace-listing-endpoint-a2ac2b56/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)