One API. Every Speech-to-Text Model.

Get unified access to the best speech-to-text models and find the most accurate one for your needs.

Supported Providers

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Transcribe

Developer Experience First

Switch STT Models Instantly

Different accents and environments impact accuracy. Test them all with one API.

No Vendor Lock-In

Switch providers just by changing the model name.

OpenAI-Compatible API

Already using OpenAI? Just change the base URL.

Unified Billing & Simple Pricing

One invoice, transparent cost.

Integration

Drop-in compatibility with your existing stack.

01

Send Audio

Stream or upload files via REST or WebSocket.

02

Normalize

We standardize the response format across all providers.

03

Switch

Change model param to swap providers instantly.

curl -X POST "https://api.speechall.com/v1/transcribe?model=deepgram.nova-3" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  --data-binary "@/path/to/audio.wav"
Groq - Whisper Large V3
Deepgram - Enhanced
Deepgram - Nova 2 General
Gladia
Deepgram - Nova 2 ATC
Amazon Transcribe
Speechmatics - Enhanced
Deepgram - Enhanced Meeting
FalAI - Wizper
Deepgram - Base
FireworksAI - Whisper V3
Deepgram - Base Video
Deepgram - Base General
Groq - Distil Whisper Large V3 [EN]
Groq - Whisper Turbo Large V3
Deepgram - Base Voicemail
Deepgram - Nova 2 Medical
OpenAI - Whisper
Deepgram - Enhanced Phonecall
Deepgram - Nova 2 Video
Speechmatics - Standard
Deepgram - Whisper Base
Deepgram - Nova
RevAI - Machine
Deepgram - Whisper Tiny
Deepgram - Nova 2 Voicemail
Google - Standard
Groq - Whisper Large V3
Deepgram - Enhanced
Deepgram - Nova 2 General
Gladia
Deepgram - Nova 2 ATC
Amazon Transcribe
Speechmatics - Enhanced
Deepgram - Enhanced Meeting
FalAI - Wizper
Deepgram - Base
FireworksAI - Whisper V3
Deepgram - Base Video
Deepgram - Base General
Groq - Distil Whisper Large V3 [EN]
Groq - Whisper Turbo Large V3
Deepgram - Base Voicemail
Deepgram - Nova 2 Medical
OpenAI - Whisper
Deepgram - Enhanced Phonecall
Deepgram - Nova 2 Video
Speechmatics - Standard
Deepgram - Whisper Base
Deepgram - Nova
RevAI - Machine
Deepgram - Whisper Tiny
Deepgram - Nova 2 Voicemail
Google - Standard
Groq - Whisper Large V3
Deepgram - Enhanced
Deepgram - Nova 2 General
Gladia
Deepgram - Nova 2 ATC
Amazon Transcribe
Speechmatics - Enhanced
Deepgram - Enhanced Meeting
FalAI - Wizper
Deepgram - Base
FireworksAI - Whisper V3
Deepgram - Base Video
Deepgram - Base General
Groq - Distil Whisper Large V3 [EN]
Groq - Whisper Turbo Large V3
Deepgram - Base Voicemail
Deepgram - Nova 2 Medical
OpenAI - Whisper
Deepgram - Enhanced Phonecall
Deepgram - Nova 2 Video
Speechmatics - Standard
Deepgram - Whisper Base
Deepgram - Nova
RevAI - Machine
Deepgram - Whisper Tiny
Deepgram - Nova 2 Voicemail
Google - Standard
Groq - Whisper Large V3
Deepgram - Enhanced
Deepgram - Nova 2 General
Gladia
Deepgram - Nova 2 ATC
Amazon Transcribe
Speechmatics - Enhanced
Deepgram - Enhanced Meeting
FalAI - Wizper
Deepgram - Base
FireworksAI - Whisper V3
Deepgram - Base Video
Deepgram - Base General
Groq - Distil Whisper Large V3 [EN]
Groq - Whisper Turbo Large V3
Deepgram - Base Voicemail
Deepgram - Nova 2 Medical
OpenAI - Whisper
Deepgram - Enhanced Phonecall
Deepgram - Nova 2 Video
Speechmatics - Standard
Deepgram - Whisper Base
Deepgram - Nova
RevAI - Machine
Deepgram - Whisper Tiny
Deepgram - Nova 2 Voicemail
Google - Standard
Deepgram - Whisper
AssemblyAI - Nano
Deepgram - Nova 2 Drivethru
Deepgram - Nova General
Cloudflare - Whisper
Deepgram - Nova 2
Deepgram - Nova Phonecall
Deepgram - Whisper Large
Azure AI Speech
AssemblyAI - Best
Deepgram - Nova 2 Phonecall
Watson Speech to Text
Deepgram - Nova 2 ConversationalAI
Google - Enhanced
FireworksAI - Whisper Turbo V3
Deepgram - Base Meeting
Deepgram - Base Phonecall
Deepgram - Base ConversationalAI
Deepgram - Enhanced General
Deepgram - Enhanced Finance
Deepgram - Whisper Small
Deepgram - Nova 2 Meeting
FalAI - Whisper
Deepgram - Nova 2 Automotive
Deepgram - Base Finance
Deepgram - Whisper Medium
Deepgram - Nova 2 Finance
Deepgram - Whisper
AssemblyAI - Nano
Deepgram - Nova 2 Drivethru
Deepgram - Nova General
Cloudflare - Whisper
Deepgram - Nova 2
Deepgram - Nova Phonecall
Deepgram - Whisper Large
Azure AI Speech
AssemblyAI - Best
Deepgram - Nova 2 Phonecall
Watson Speech to Text
Deepgram - Nova 2 ConversationalAI
Google - Enhanced
FireworksAI - Whisper Turbo V3
Deepgram - Base Meeting
Deepgram - Base Phonecall
Deepgram - Base ConversationalAI
Deepgram - Enhanced General
Deepgram - Enhanced Finance
Deepgram - Whisper Small
Deepgram - Nova 2 Meeting
FalAI - Whisper
Deepgram - Nova 2 Automotive
Deepgram - Base Finance
Deepgram - Whisper Medium
Deepgram - Nova 2 Finance
Deepgram - Whisper
AssemblyAI - Nano
Deepgram - Nova 2 Drivethru
Deepgram - Nova General
Cloudflare - Whisper
Deepgram - Nova 2
Deepgram - Nova Phonecall
Deepgram - Whisper Large
Azure AI Speech
AssemblyAI - Best
Deepgram - Nova 2 Phonecall
Watson Speech to Text
Deepgram - Nova 2 ConversationalAI
Google - Enhanced
FireworksAI - Whisper Turbo V3
Deepgram - Base Meeting
Deepgram - Base Phonecall
Deepgram - Base ConversationalAI
Deepgram - Enhanced General
Deepgram - Enhanced Finance
Deepgram - Whisper Small
Deepgram - Nova 2 Meeting
FalAI - Whisper
Deepgram - Nova 2 Automotive
Deepgram - Base Finance
Deepgram - Whisper Medium
Deepgram - Nova 2 Finance
Deepgram - Whisper
AssemblyAI - Nano
Deepgram - Nova 2 Drivethru
Deepgram - Nova General
Cloudflare - Whisper
Deepgram - Nova 2
Deepgram - Nova Phonecall
Deepgram - Whisper Large
Azure AI Speech
AssemblyAI - Best
Deepgram - Nova 2 Phonecall
Watson Speech to Text
Deepgram - Nova 2 ConversationalAI
Google - Enhanced
FireworksAI - Whisper Turbo V3
Deepgram - Base Meeting
Deepgram - Base Phonecall
Deepgram - Base ConversationalAI
Deepgram - Enhanced General
Deepgram - Enhanced Finance
Deepgram - Whisper Small
Deepgram - Nova 2 Meeting
FalAI - Whisper
Deepgram - Nova 2 Automotive
Deepgram - Base Finance
Deepgram - Whisper Medium
Deepgram - Nova 2 Finance

Unified Billing

Stop chasing invoices from 10 different vendors. We aggregate your usage into a single, transparent monthly bill.

  • Pay exactly what providers charge + small platform fee
  • Centralized usage dashboard
  • Single API key management
Pay-as-you-go

Provider Cost

Passthrough pricing from OpenAI, Google, etc.

+

5% Platform Fee

Covers unified API, normalization, and billing (min. €0.80).

View Detailed Rates

Built for Scalable Workflows

Media Content Analysis & Monitoring

Accurately transcribe and analyze audio/video content for media monitoring, brand sentiment tracking, and content discovery. Ideal for media analysts and marketing teams.

Automated Legal & Compliance Workflows

Securely transcribe depositions, client meetings, and internal reviews for legal firms and compliance departments. Ensure accurate record-keeping.

Voice-Powered Enterprise Applications

Integrate voice commands and dictation into your enterprise software, CRM, or custom business tools for enhanced productivity., custom voice assistant API, business software speech recognition, enterprise audio transcription.

Customer Experience Enhancement

Analyze transcribed customer support calls to understand sentiment, identify common issues, and improve agent training for call centers and CX teams.

Trusted by Builders

Dictop

Dictop

Professional dictation app using our API to deliver accurate transcriptions across multiple STT engines.

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Dopdock

Dopdock

Automation app with voice-based commands and dictation with complex workflows.

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