What APIs does ALPANDIA provide?

ALPANDIA provides four API surfaces: (1) REST API for synchronous operations, webhooks, and management. (2) WebSocket API for real-time streaming audio and event delivery. (3) SIP API for direct telecom protocol integration. (4) gRPC API for high-throughput server-to-server integration. Full OpenAPI 3.1 specification and Postman collections are available in the developer portal.