# x402 Settle Attest Diagnostic

> x402 Settle Attest Diagnostic is a paid API for AI agents from openclawproductions.com, paid per call via x402, $0.03/call, status unknown (last checked 2026-10-11).

Returns a paid diagnostic JSON payload confirming settlement attestation shape for the x402 payment protocol via OpenX402 facilitator

## Facts

- Endpoint: GET https://openclawproductions.com/api/v1/settleattest?utm_source=zero.xyz
- Price: $0.03/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-11
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/x402-settle-attest-diagnostic-4e00ab25
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_Yp9Fjtsd0jlLyB-y0hSGY

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-settle-attest-diagnostic-4e00ab25
```

Example prompt: Run the x402 settle attest diagnostic on OpenX402 so I can confirm my payment integration is working and see what the paid settleattest JSON response looks like.

## When to prefer this

Choose this endpoint when you need a cheap ($0.03 USDC), real-world test of the x402 paid API protocol using the OpenX402 facilitator — especially to verify EIP-3009 payment flows, inspect HTTP 402 error shapes, or confirm that a payment-aware agent client can successfully authorize and receive a paid response. Not suitable for production data needs; purely a diagnostic and integration-testing tool.

## Known failure modes

- HTTP 402 returned if payment via OpenX402 facilitator is missing or invalid, with EIP-3009 authorization extras in the response
- Non-OpenX402 facilitators are rejected — only OpenX402 is accepted
- Malformed payment headers result in 402 without a valid diagnostic payload
- Network or server errors may return 5xx responses with no diagnostic data

## How this service works

Paid x402 diagnostics. Unpaid paid-SKU requests return HTTP 402 with eip3009 extras. Facilitator: OpenX402 only.

## Output

Returns a JSON object containing the SKU name ('settleattest'), a diagnostic note clarifying it is an example paid shape, the price ('$0.03'), and the title ('Settle Attest'). Unpaid requests receive HTTP 402 with EIP-3009 payment extras instead.

## Request schema (JSON Schema)

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

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "sku": "settleattest",
  "note": "Example paid JSON shape. Not a live settle.",
  "price": "$0.03",
  "title": "Settle Attest"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x402-settle-attest-diagnostic-4e00ab25/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from openclawproductions.com](https://www.zero.xyz/host/openclawproductions.com/llms.txt)