GET

/v1/schemas/fal/image/fal-ai/invisible-watermark

Accept:

kind inputactivity imagehash 2dfdd78f…extracted Jul 6, 2026version currentsource upstream spec ↗

field	recorded source
schema	Source linked above. Source trace `6161cf54dff2bf4e4472f55c6ffe68e747e1630e98106456582a7a4b326494a5` { "fetchedAt": 1783331098, "extractorVersion": "1", "verifiedAt": null }

Request body

4 properties · 1 required · 0 $defs

property	type	description	constraints
image_url*	string	URL of image to be watermarked or decoded
decode	boolean	Whether to decode a watermark from the image instead of encoding	default: false
watermark	string	Text to use as watermark (for encoding only)	default: "watermark"
length	integer	Length of watermark bits to decode (required when decode=True)	default: 0

Validate a payload

before you spend tokens

shell

$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"fal","endpointId":"fal-ai/invisible-watermark","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}