x402 endpoint checker

Last 30 days

Uptime

100%

Response time

141 ms typical, 142 ms slowest 5%

Last check

3 h ago

Next check

in 4 h

How to call it

Add it to any MCP client that supports remote servers.

{
  "mcpServers": {
    "x402-endpoint-checker": {
      "type": "http",
      "url": "https://x402-seller-kit.soloearn.workers.dev/mcp"
    }
  }
}

1 tools

• 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.

Security scan

• No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

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