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caption.sh
AI captions API for developers: send any video, get back an MP4 with word-timed, karaoke-style captions burned in. One POST, poll or webhook.
aicaptionssubtitlesvideoapimcpdevelopers
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Editor's Take
Curated by Startup List teamcaption.sh is an AI captions API built for developers and agents. Send any video and get back an MP4 with word-timed, karaoke-style captions burned in. One POST creates a job; poll for status or take a webhook; download the result. A hosted MCP server lets Claude Code, Cursor and other agents caption videos as a native tool. Prepaid usage at $0.10 per minute, charged only for successful renders.
Key Highlights
55+ Views
Actively discovered by our community
0 Clicks
People actively trying this product
AI Video
Category classification
Listed Sept 2026
On Startup List since launch
Use Cases
Software Development
Accelerate your development workflow with AI-powered code generation, debugging, and refactoring.
Video Production
Generate and edit professional video content with AI-powered tools and effects.
Team Productivity
Integrate caption.sh into your workflow to save hours every week.
Best For
- •Founders in AI Video who need a practical tool for execution
- •Teams that want faster output with less operational overhead
- •Operators looking for actionable insights and repeatable workflows
caption.sh FAQs
What is caption.sh best used for?
AI captions API for developers: send any video, get back an MP4 with word-timed, karaoke-style captions burned in. One POST, poll or webhook.
Is caption.sh suitable for early-stage startups?
caption.sh can be suitable for early-stage teams, especially when speed and focused execution matter more than large team complexity.
How does caption.sh compare to alternatives?
Compare caption.sh against alternatives on Startup List by reviewing category peers, pricing model, ratings, and use-case alignment.
Is this your product?
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