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Sarj Speech APIs provide production-ready speech services for Arabic and multilingual applications. The platform currently offers:
  • Speech-to-Text (STT) — Convert audio into accurate text with low latency.
  • Text-to-Speech (TTS) — Generate natural, expressive speech from text, including support for voice cloning.
These APIs are designed for conversational AI, voice assistants, telephony, accessibility, media generation, and other speech-enabled applications.

Authentication

All Speech API requests require an API key. Include your API key in the Authorization header of every request. Authorization: Bearer YOUR_API_KEY

Base URLs

Speech-to-Text

https://stt-rnnt-ar.sarj.ai

Text-to-Speech

https://sarj-omni-tts.sarj.ai

Available APIs

Speech-to-Text

Endpoint: POST /openai/v1/audio/transcriptions Learn how to transcribe audio into text, supported request parameters, response formats, and usage examples in the Speech-to-Text guide.

Text-to-Speech

Endpoint: POST /v1/audio/speech Generate high-quality speech from text using one of the available voices. Voice cloning is also supported through the Text-to-Speech API.
Last modified on July 7, 2026