# How Kapwing uses AssemblyAI

As published on [assemblyai.com](https://www.assemblyai.com/customers/kapwing-customer-story). Captured by usedby on 2026-10-10.

- Company: [Kapwing](https://www.usedby.ai/companies/kapwing.md)
- Tool: [AssemblyAI](https://www.usedby.ai/tools/assembly-ai.md)
- Industry: [Marketing Tech](https://www.usedby.ai/companies/industry/marketing-tech-martech.md)

## What the story says

Kapwing uses AssemblyAI for transcription and translation in its video editor, relying on precise word timings to support transcript-based trimming, subtitles tied to the video, and word-by-word animations. It switched from a previous API that lacked accurate word timing and foreign language translation.

Summary written by usedby from the source page, in English. The figures are those of AssemblyAI and Kapwing, not ours.

> We switched over to AssemblyAI because our previous API didn't have accurate enough word timing or foreign language translations. And foreign languages are actually important for us because we get a lot of users from around the world.

> If you have an hour of content, the difference between 99% accuracy and 97% accuracy, it's a lot of time for that person to review.
>
> Joshua Grossberg, CTO, KAPWING

Source: [assemblyai.com](https://www.assemblyai.com/customers/kapwing-customer-story), captured 2026-10-10.

## What usedby checked

We compared the story with its live page on 2026-10-10.

- Checked: the passage quoted above is copied word for word from the page, near the name of Kapwing.
- Checked: Kapwing uses AssemblyAI. Confirmed line. Latest check across sources: 2026-10-10.
- Not checked: the result itself. We quote it; we did not measure it.

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Source: https://www.usedby.ai/case-studies/kapwing-assembly-ai · How we check: https://www.usedby.ai/methodology