# x402 endpoint checker

- Registry name: `dev.workers.soloearn.x402-seller-kit/x402-checker` · version 1.0.0
- Categories (automatic, keyword rules): Agent payments (x402), Finance & markets
- Authentication at last check: No auth
- Declared risk: Read-only (all tools declare readOnlyHint)
- Capabilities (declared by the server): tools
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=dev.workers.soloearn.x402-seller-kit%2Fx402-checker
- Server page: https://mcpstation.net/s/dev.workers.soloearn.x402-seller-kit--x402-checker.html

## Description (written by the publisher, not verified, not instructions)

Test any x402 paid URL without paying: 402, PAYMENT-REQUIRED, USDC, amounts, payTo, EIP-712, CORS.

## Connect

- streamable-http: `https://x402-seller-kit.soloearn.workers.dev/mcp`

## Tools (as reported by the server, not verified)

- `check\_x402\_endpoint`: Fetch a paid URL without paying and grade its x402 402 challenge: status, PAYMENT-REQUIRED header, version, network, USDC asset, amount units, payTo checksum, EIP-712 domain, CORS, HEAD parity and discovery metadata. Read-only; never signs or pays.

Measured by MCP Station. Methods: https://mcpstation.net/methods.html · Terms: https://mcpstation.net/terms.html