# the402.ai Service Delivery Verification & Payment Release

> the402.ai Service Delivery Verification & Payment Release is a paid API for AI agents from api.the402.ai, paid per call via x402, $0.001/call, status down (last checked 2026-09-15).

Verifies that a purchased service has been delivered and releases the associated payment to the provider

## Facts

- Endpoint: POST https://api.the402.ai/v1/threads/thread_a1b84c858a154601/verify
- Price: $0.001/call
- Payment: x402
- Status: down
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/api-the402-ai-8f40c40a
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_P_X0c2vlQuyf3RT_lWPhb

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 api-the402-ai-8f40c40a -d '<json body>'
```

Example prompt: I got the sentiment analysis results back from the402.ai for thread thread_a1b84c858a154601 — the service looks complete, so please verify delivery and release the payment now.

## When to prefer this

Use this endpoint after a service job on the402.ai marketplace has been completed and you need to formally verify delivery and release the held payment. This is the settlement step in a two-phase payment flow specific to the402.ai platform, distinct from initiating a purchase or checking job status.

## Known failure modes

- Service delivery not yet confirmed — payment not released
- Thread ID not found or invalid — 404 error
- Payment already released for this thread — duplicate call rejected
- Delivery verification failed — service deemed incomplete, payment withheld
- Insufficient funds or payment authorization expired

## How this service works

Verify service delivery and release payment

## Output

A confirmation that service delivery has been validated and the payment (in USDC) has been released to the provider, including settlement status and any relevant transaction details.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "id"
 ],
 "properties": {
  "id": {
   "type": "string"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/api-the402-ai-8f40c40a/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.the402.ai](https://www.zero.xyz/host/api.the402.ai/llms.txt)