# AISA One Protected Resource API

> AISA One Protected Resource API is a paid API for AI agents from openapi.aisa.one, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-22).

Provides access to a protected resource via a pay-per-call API endpoint secured with x402 micropayment protocol

## Facts

- Endpoint: POST https://openapi.aisa.one/res?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-22
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/openapi-aisa-one-052b9b82
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_duMVx6ShIzSi-mIQXXb5W

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 openapi-aisa-one-052b9b82 -d '<json body>'
```

Example prompt: Fetch the protected resource from aisa.one — I'm okay with paying the $0.01 USDC micropayment fee via x402 to unlock the data.

## When to prefer this

Use this endpoint when you specifically need to access the protected resource offered by openapi.aisa.one and are prepared to pay $0.01 USDC per call via the x402 micropayment protocol. Suitable for agentic workflows that integrate with x402-compatible payment flows.

## Known failure modes

- Payment not included or insufficient — returns 402 Payment Required
- Invalid request body — returns 400 Bad Request
- Unauthorized access without valid credentials — returns 401 Unauthorized
- Service unavailable or server error — returns 500
- Rate limiting exceeded — returns 429 Too Many Requests

## How this service works

Access to protected resource

## Output

Returns the protected resource payload from the server. The exact structure of the response is not publicly documented, but likely contains structured data or content that was gated behind the x402 micropayment requirement.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/openapi-aisa-one-052b9b82/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from openapi.aisa.one](https://www.zero.xyz/host/openapi.aisa.one/llms.txt)