Video Subtitle Burner burns SRT subtitles into a video and returns the processed video as a binary file.
Send a video file and an SRT subtitle track in the request body. The video file can be up to 100 MB. The subtitle text must be provided in SRT format as multi-line text. The endpoint handles the video overlay step and gives you the finished video back as binary output.
Use Video Subtitle Burner when you need hardcoded subtitles for social clips, course videos, product demos, or accessibility-focused exports. It fits workflows where you already have a subtitle file and want the captions permanently embedded into the video rather than delivered as a separate track.
Because the response is binary, you can stream or save the result directly into your storage, media pipeline, or download flow without an extra conversion step.
Upload a video file and its SRT subtitles to add subtitles to the video.
curl -X POST "https://api.eu.apyhub.com/freedailypro/generate-video-subtitle-api/video-subtitle" \
-H "apy-token: $APY_TOKEN" \
-F "file=@/path/to/video.mp4" \
-F "srt=1
00:00:01,000 --> 00:00:03,000
Hello world!"Returns the resulting video as a binary file.
Loading your default key…Add subtitles into an uploaded video and returns the video with the subtitles drawn permanently onto the frames.
| Parameter | Type | Mandatory | Description |
|---|---|---|---|
| file | File | Yes | The video file. Up to 100 MB. |
| srt | String | Yes | Subtitles in SRT format: a number, a time range (00:00:01,000 --> 00:00:03,000) and the text, with a blank line between entries. |
Returns the subtitled video as a binary file in the response body.
Max 100MB total per request (all files combined). Larger? Use this API's URL-based endpoint instead, if it has one.
bad_requestRequired parameter missing or malformed body.
unauthorizedAPI key missing, revoked, or not authorized for this service.
rate_limitedYour plan's per-second rate exceeded. Retry with exponential backoff.
upstream_busyBackend temporarily unavailable. Try again in a few seconds.
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