# the402.ai Thread Payment Verification

> the402.ai Thread Payment Verification is a paid API for AI agents from api.the402.ai, paid per call via x402, $0.001/call, status down (last checked 2026-09-16).

Verifies that a service has been delivered for a specific thread and releases the associated payment to the provider

## Facts

- Endpoint: POST https://api.the402.ai/v1/threads/thread_968ed5326f194f7e/verify
- Price: $0.001/call
- Payment: x402
- Status: down
- Last checked: 2026-09-16
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/api-the402-ai-22b8b990
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_XIiEtJB9AIcoReU8GScbh

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-22b8b990 -d '<json body>'
```

Example prompt: Verify that the service on thread thread_968ed5326f194f7e was successfully delivered and release the payment to the provider.

## When to prefer this

Use this endpoint when you need to close the loop on a service transaction in the the402.ai marketplace — specifically after a job or service has been completed and you need to confirm delivery and release escrowed payment. Prefer this over generic payment APIs when working within the the402.ai agentic service ecosystem with thread-based job tracking.

## Known failure modes

- Thread ID not found — 404 if the specified thread does not exist
- Service not yet delivered — payment cannot be released if delivery is unconfirmed
- Payment already released — idempotency issue if verification is attempted twice
- Insufficient funds or payment authorization failure — 402 if payment cannot be processed
- Unauthorized request — 401 if caller lacks permission to verify this thread

## How this service works

Verify service delivery and release payment

## Output

Returns a confirmation that service delivery has been verified and the payment has been released, including the settlement status and any relevant transaction details for the thread.

## 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-22b8b990/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)