Vobiz — AI-First Telecom Infrastructure for Voice Agents

SIP trunk, voice API, and programmable telephony for voice AI. Sub-80ms latency, global DIDs, WebRTC, and native integrations for Vapi, Retell AI, ElevenLabs, LiveKit, Pipecat, and OpenAI Realtime.

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Products

Voice API — Programmable call control, REST and XML, real-time webhooks.
SIP Trunking — Carrier-grade SIP trunking, instant provisioning, inbound and outbound.
Number Provisioning (Global DIDs) — Local, national, and toll-free numbers in 130+ countries.
WhatsApp Business API — Messaging and voice calls over WhatsApp.
Predictive Dialer — Auto-dialing with answer/voicemail detection.
Campaign Manager — Outbound voice campaign scheduling and retry logic.

Developer Resources

Vobiz API Docs
Vobiz Quick-start guide
Vobiz OpenAPI Specification — machine-readable OpenAPI/Swagger schema for the full Vobiz API.
Vobiz Authentication — Use X-Auth-ID and X-Auth-Token headers. Credentials are shown on your console dashboard after sign-in.
Vobiz MCP Server — Model Context Protocol server exposing Vobiz API docs and tools to MCP-compatible agents and IDEs.
Vobiz Integration guides
Vobiz KYC (India)
Vobiz llms.txt — machine-readable index of Vobiz's developer resources for AI agents.
Vobiz Developer Console