Explore the docs
What's new
See the latest features, improvements, and updates shipped to Captions.
API
Integrate AI video captioning and generation into your own apps with the Captions API.
Recommended path for new users
1
Create your account
Sign up with Google, Apple, email, or phone. Available on iOS, Web, and Android.Sign up & sign in →
2
Make your first video
No footage? Use Prompt to Video to generate a talking-head video from a script in minutes. Have footage? Upload it and run AI Edit — captions, music, and formatting applied automatically.Prompt to Video → · AI Edit →
3
Add captions
Generate accurate captions with one tap. Choose a style, adjust timing, and translate into 100+ languages.Add captions →
4
Publish & export
Export at 1080p and publish directly to TikTok, Instagram, YouTube, and more.Publish & export →
Key features
Prompt to Video
Generate a complete talking-head video from a script — no camera, no crew. Choose from built-in actors or use your AI Twin.
AI Edit
Upload raw footage and get a polished, caption-ready video back in seconds. AI handles cuts, captions, music, and formatting.
Captions & Subtitles
Accurate auto-transcription with 100+ caption styles. Translate into 100+ languages with one tap.
Dubbing & Translation
Dub your videos into 30+ languages with a cloned version of your voice. Reach a global audience from one recording.
For developers
Build AI video into your product with the Captions API — add captions to any video, generate talking-head videos programmatically, and scale without limits.API Overview
Authentication, endpoints, and how to make your first API call.
Pricing & Rate Limits
Understand credit-based pricing and rate limits before you build.