TTS Gateway

Text-to-Speech Gateway with Multi-Provider Support

Switch voice providers without rebuilding the runtime. Route synthesis requests based on quality, latency, language, or cost while maintaining a consistent voice experience.

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TTS Gateway Service managing voice synthesis across providers
Problem

Voice Quality Without Vendor Lock-In

The voice your agents use shapes the caller experience. But TTS providers differ in voice quality, language coverage, pricing, and latency. Committing to a single provider limits flexibility and creates risk when requirements change.

The TTS Gateway gives teams a single interface to access any supported voice synthesis provider. Switching providers is a configuration change, not a migration.

Before and after comparison showing TTS Gateway simplifying voice provider management
Voice configuration panel selecting TTS provider, language, and voice style
Voice

Branded Voice Experiences Across Providers

Teams can select and configure voices that match their brand identity. Route different workloads to different providers based on voice quality, language support, or cost requirements.

The gateway preserves a consistent voice experience for callers while giving operations teams the flexibility to optimize behind the scenes.

Performance

Low-Latency Synthesis for Live Conversations

Voice agents need speech synthesis that keeps up with natural conversation. The TTS Gateway supports streaming synthesis with the responsiveness required for real-time voice interactions.

Automatic failover ensures voice delivery continues even when an upstream provider degrades.

Real-time speech synthesis pipeline from text input to audio output
Providers

Supported Voice Synthesis Providers

Deepgram Aura

Low-latency streaming synthesis built for real-time conversational AI. 7 languages, self-hosted deployment option, and Smart Turn integration for natural turn-taking.

Deepgram TTS on the Gateway

ElevenLabs

Expressive voice synthesis with 10,000+ voices across 70+ languages. Sub-100ms time-to-first-byte and voice cloning for branded agent personas.

ElevenLabs TTS on the Gateway

Google Cloud TTS

Chirp 3 HD voices across 30+ languages with SSML prosody control and Vertex AI integration. Voice cloning available in EU and US regions.

Google Cloud TTS on the Gateway

Ready to Unify Your Voice Synthesis?

Multi-provider TTS with routing flexibility and production-grade reliability.

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