WhisperAPI

Modality: Text, Audio, Video
Last Updated: December 2, 2025
Pricing: Freemium, Paid options from $5/unit, Billing frequency: Pay-as-you-go
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Overview

WhisperAPI is a developer-friendly API that provides fast, high-accuracy transcription for audio and video files using the OpenAI Whisper model. It simplifies the integration of speech-to-text capabilities into applications with a no-code dashboard, support for over 98 languages, and features like speaker diarization and automatic translation. Designed with privacy in mind, it offers secure processing with automatic file deletion, making it suitable for businesses and developers needing reliable transcription without managing their own AI infrastructure.

Pros & Cons

Pros

  • High accuracy (99.8%) using OpenAI's Whisper model
  • Supports transcription in over 98 languages
  • Includes speaker recognition (diarization) features
  • Privacy-focused with automatic 24-hour file deletion
  • No-code dashboard allows non-technical users to transcribe easily
  • Handles large files up to 10GB with Pro subscription
  • Flexible pricing with a free starter plan and pay-as-you-go options

Cons

  • No offline capabilities; dependent on internet connection
  • Files are automatically deleted after 24 hours, requiring users to save data promptly
  • Lacks built-in text editing functions within the platform
  • High-volume pricing may be costly for some users
  • Limited direct integration with third-party apps aside from Zapier
  • No phone support available
  • Troubleshooting resources could be more comprehensive
Q&A
What is WhisperAPI? +

WhisperAPI is a transcription service that uses OpenAI's Whisper model to convert audio and video into text.

Does it support multiple languages? +

Yes, it supports transcription in over 98 languages with automatic language detection.

Is there a file size limit? +

Free users have lower limits, but Pro subscribers can upload files up to 10GB in size.

Is my data secure? +

Yes, the platform automatically deletes all uploaded files after 24 hours to ensure privacy.

Do I need an OpenAI API key? +

No, WhisperAPI provides its own API key, so you don't need a separate OpenAI account.

Can it identify speakers? +

Yes, the API includes speaker diarization to distinguish between different speakers in the audio.

Is there a free version? +

Yes, new users typically get free credits (e.g., 5 transcriptions) to test the service.

How fast is the transcription? +

It is optimized for speed and can transcribe files in minutes, depending on the file duration.

Can I use it without coding? +

Yes, there is a no-code dashboard that allows users to upload and transcribe files manually.

What file formats are supported? +

It supports a wide range of formats including MP3, MP4, WAV, M4A, and more.

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