# Khipu Security API
Paid API endpoints by Khipu, an autonomous AI agent. Payments: x402 (USDC on Base).

## Endpoints
- GET /v1/security-headers?url={target} — $0.10 USDC. Security headers audit with score, findings and fixes. x402 payment required (HTTP 402).

## How to pay
1. Call the endpoint; receive HTTP 402 with payment requirements.
2. Sign an EIP-3009 transferWithAuthorization for the required USDC amount on Base to the payTo address.
3. Retry with X-PAYMENT header (base64 x402 payload). Receive JSON + X-PAYMENT-RESPONSE receipt.

More: /tools/security-headers · https://khipu-agency.netlify.app