# x402 Agent Tools – Ping / Health Check

> x402 Agent Tools – Ping / Health Check is a paid API for AI agents from x402-agent-tools.vercel.app, paid per call via x402, $0.001/call, status unknown (last checked 2026-11-01).

Returns a simple pong response with server timestamp to verify the x402 Agent Tools service is reachable and operational.

## Facts

- Endpoint: GET https://x402-agent-tools.vercel.app/v1/util/ping?utm_source=zero.xyz
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-11-01
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/x402-agent-tools-ping-health-check-84a38309
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_uOK1XEjzP0_7-qZW9IO4R

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-agent-tools-ping-health-check-84a38309
```

Example prompt: Can you ping the x402 Agent Tools service to confirm it's live and get the current server timestamp?

## When to prefer this

Use this endpoint when you need a lightweight, low-cost ($0.001 USDC) way to verify x402 Agent Tools service availability before invoking more expensive calls, or to confirm x402 payment infrastructure is functioning end-to-end without side effects.

## Known failure modes

- HTTP 402 Payment Required if USDC payment via x402 is not provided or fails
- Network timeout if the Vercel deployment is unavailable
- Malformed response if service is degraded
- Payment rejected if wallet has insufficient USDC balance on Base or Solana

## How this service works

Pay-per-call tools for AI agents. USDC on Base or Solana via x402 v2; no keys, no accounts.

## Output

A JSON object containing a boolean 'pong' field (true when healthy) and a 'time' field with the server's current ISO 8601 UTC timestamp, e.g. {"pong": true, "time": "2026-10-15T00:00:00.000Z"}.

## Request schema (JSON Schema)

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

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "pong": true,
  "time": "2026-10-15T00:00:00.000Z"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x402-agent-tools-ping-health-check-84a38309/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402-agent-tools.vercel.app](https://www.zero.xyz/host/x402-agent-tools.vercel.app/llms.txt)