Blog
Tutorials, guides, and product updates from the SpeakEasy team.
Translate Audio to English in One API Call
Pass audio in any of 99+ languages, get back English text. No intermediate translation step, no extra API, no extra cost. Just set translate=true.
Generate SRT and VTT Subtitle Files Directly from Audio
SpeakEasy is the only affordable speech API that returns SRT and VTT subtitle files natively. No post-processing, no custom formatter — one API call.
How to Use the Prompt Parameter to Improve Whisper Transcription Accuracy
The prompt parameter lets you feed Whisper context about your audio — brand names, speaker names, technical vocabulary. Here's how to use it effectively.
Async Transcription with Callback URLs: Transcribe Long Audio Without Waiting
Learn how to transcribe long audio files asynchronously using a callback URL. Fire-and-forget transcription for podcasts, meetings, and large video files.
Python Speech-to-Text API: Transcribe Audio in 5 Lines of Code
A complete guide to using a speech-to-text API in Python. Install the OpenAI SDK, point it at SpeakEasy, and get transcripts with speaker labels, timestamps, and async processing.
Speech-to-Text API in JavaScript: Complete Guide
Complete guide to using a speech-to-text API in JavaScript and Node.js. Learn file uploads, URL-based transcription, and streaming with the SpeakEasy API.
Best Speech-to-Text APIs in 2026: Compared by Price, Accuracy & Features
We tested 8 leading speech-to-text APIs on accuracy, price, latency, and developer experience. Here's exactly what we found — with real benchmark data.
Looking for a Whisper API Alternative? Try SpeakEasy
Frustrated with OpenAI Whisper API pricing and rate limits? SpeakEasy is a drop-in Whisper API alternative with lower costs, speaker diarization, and full OpenAI SDK compatibility.
Speaker Diarization: Identify Who Said What in Audio
Learn what speaker diarization is, why it matters, and how to use the SpeakEasy API to automatically identify speakers in audio recordings with code examples.
Build a Text-to-Speech App in 5 Minutes
A quick guide to generating speech from text using the SpeakEasy text-to-speech API. Covers voice selection, API calls, streaming audio, and word-level timestamps with Python and curl examples.
$1. 50 hours. Both STT and TTS.
Your current speech API provider is charging you too much. Switch in one line of code.