---
canonical: "https://www.softatlas.io/assemblyai/products/sync-speech-to-text-api"
name: "Sync Speech-to-Text API"
provider: "AssemblyAI"
category: "Artificial Intelligence / LLM Platforms / Inference APIs"
review_count: 0
ai_powered: false
website: "https://assemblyai.com/products/sync-speech-to-text"
updated: "2026-07-20"
---

# Sync Speech-to-Text API

By [AssemblyAI](/assemblyai.md)

Delivers finished transcripts from short audio clips in a single API call, eliminating the need for polling or WebSockets.

## Features
- Transcribe short audio clips instantly
- Support multiple languages for transcription
- Provide per-word text, timing, and confidence
- Handle up to 2 minutes of audio per request
- Integrate via a single HTTP POST request
- Deliver transcripts with low latency (~134 ms)
- Include keyterms prompting and conversation context

## Built for
DEVELOPERS, CUSTOMER_SUPPORT, OPERATIONS

Source: https://www.softatlas.io/assemblyai/products/sync-speech-to-text-api