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Free API
API key protected, free to use

Batch Watermark Images

Apply the same text or image watermark to up to 20 images.

Endpoint
POST /api/free/batch-watermark
Free tier: 5 RPM. Paid users: 500 RPM. Limits are shared across Free API endpoints.

Usage notes

  • Upload repeated files fields named files.
  • Returns JSON with base64 PNG images.

API example

curl -X POST "https://apiany.ai/api/free/batch-watermark" \
  -H "Authorization: Bearer $API_KEY" \
  -F "files=@a.png" \
  -F "files=@b.jpg" \
  -F "text=APIAny"

Playground

Calls are sent from your browser to this site using your API key.

Source images *
Watermark image
Watermark text
Position
Opacity
Add an API key and required inputs to enable the request.POST /api/free/batch-watermark