{"instructions":"GET https://api.crawlwitness.com/v1/senales?dominio=<domain>&pagar=true returns 402 with an x402 v2 challenge (USDC on Base or Solana, 0.005 USD). The MCP server at https://api.crawlwitness.com/mcp exposes the paid tool consultar_senales (x402 MCP transport) and free tools. OpenAPI: https://api.crawlwitness.com/openapi.json","resources":["https://api.crawlwitness.com/v1/senales","https://api.crawlwitness.com/v1/can-use","https://api.crawlwitness.com/v1/batch","https://api.crawlwitness.com/v1/wallet-check","https://api.crawlwitness.com/mcp"],"version":1}