{"message":"Device Simulation API v2.0 with Background Tasks & Authentication","authentication":{"required":true,"method":"x-api-key header","example":"x-api-key: dev-key-123"},"endpoints":{"auth_verify":"GET /api/auth/verify","getIPByCountry":"POST /api/getIPByCountry","simulate":"POST /api/simulate (Background Task)","simulation_status":"GET /api/simulation/status/{task_id}","simulation_tasks":"GET /api/simulation/tasks","unblockCountry":"POST /api/unblockCountry","health":"GET /api/health"},"docs":"/docs","features":["API Key Authentication","Asynchronous simulation execution","Real-time progress tracking","Country blocking/unblocking","Manual country unblocking","Task status monitoring"],"available_api_keys":["ifjkh43liikd"]}