# x402-factory.com Ping / Liveness Check

> x402-factory.com Ping / Liveness Check is a paid API for AI agents from x402-factory.com, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-13).

Returns server time and confirms whether the x402 payment pipeline was successfully processed, useful for end-to-end client validation.

## Facts

- Endpoint: GET https://x402-factory.com/v1/ping
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/x402-factory-com-ping-liveness-check-7cecc55b
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_zIO64cDqtyytmpIofaMvp

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 x402-factory-com-ping-liveness-check-7cecc55b
```

Example prompt: Can you ping x402-factory.com to confirm my x402 payment client is working end to end — I want to see whether the call comes back as paid and what the server time is?

## When to prefer this

Use this endpoint first when setting up or debugging an x402 payment client integration. It is the cheapest available endpoint ($0.001 USDC) and explicitly designed to validate the full payment pipeline before committing to more expensive data endpoints. Prefer it over other x402-factory.com endpoints when you need a quick liveness or payment flow sanity check rather than actual data.

## Known failure modes

- Payment not processed — 'paid' field returns false if x402 client is misconfigured or payment failed
- Server down — no response or non-200 HTTP status if service is unavailable
- Malformed x402 payment header — server may reject with 402 Payment Required if the payment token is invalid
- Network timeout — latency or connectivity issues preventing response

## How this service works

Cheapest endpoint: liveness plus x402 payment pipeline check — Returns ok with the server time and whether this call was paid. Use it to verify your x402 client end to end before spending on data endpoints.

## Output

Returns a JSON object with three fields: 'ok' (always true if the server is up), 'paid' (boolean indicating whether the x402 payment was successfully processed for this call), and 'server_time' (ISO 8601 UTC datetime string from the server).

## Request schema (JSON Schema)

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

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "data": {
   "ok": true,
   "paid": false,
   "server_time": "2026-08-21T03:58:57.905Z"
  },
  "meta": {
   "docs": "https://x402-factory.com/docs/core.ping",
   "sources": [],
   "version": "1.0.0",
   "endpoint": "/v1/ping",
   "data_mode": "fixture",
   "freshness": "realtime",
   "request_id": "req_00000000",
   "generated_at": "2026-08-21T03:58:57.906Z"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x402-factory-com-ping-liveness-check-7cecc55b/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402-factory.com](https://www.zero.xyz/host/x402-factory.com/llms.txt)