Video CaptionsAPI

REST API

One POST request. Get the result back directly — as an image, video, or JSON depending on the tool.

curl -X POST https://apiai.me/api/workflow/text-on-video \
     -H "X-API-Key: YOUR_API_KEY" \
     -F "animation=none" \
     -F "bordercolor=black" \
     -F "borderw=2" \
     -F "box=0" \
     -F "boxborderw=10" \
     -F "boxcolor=black@0.5" \
     -F "crf=23" \
     -F "fade_in=0" \
     -F "fade_out=0" \
     -F "font=modern" \
     -F "fontcolor=white" \
     -F "fontsize=48" \
     -F "line_spacing=0" \
     -F "margin=40" \
     -F "max_width=0" \
     -F "position=bottom-center" \
     -F "preset=medium" \
     -F "prompt=VALUE" \
     -F "scroll_speed=50" \
     -F "shadowcolor=black@0.6" \
     -F "shadowx=0" \
     -F "shadowy=0" \
     -F "typewriter_speed=0.3"
     --output result.mp4

Dashboard Playground

Test this tool visually before writing any code. Upload an image, set parameters, and see the result live. When it looks right, copy the auto-generated curl command and paste it into your app.

1. Open the dashboard → API Toolbox
2. Find Video Captions and click it
3. Upload your input and adjust parameters
4. Copy the curl command and ship

Batch Processing

Process hundreds of images at once without writing a loop. Upload a CSV with one row per item, set your parameters, and download the results as a ZIP when they're done.

1. Open the dashboard → Batches
2. Select Video Captions
3. Add your content and start the batch
4. Download results ZIP when complete