GET

/v1/schemas/fal/image/fal-ai/invisible-watermark?kind=output

Accept:

kind outputactivity imagehash f305f77f…extracted Jul 6, 2026version currentsource upstream spec ↗

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

Response body

3 properties · 0 required · 1 $defs

property	type	description	constraints
image	Image	The watermarked image file info (when encoding)
extracted_watermark	string	The extracted watermark text (when decoding)
length	integer	Length of the watermark bits used (helpful for future decoding)	default: 0

Types

1 $defs

Imageobject

Represents an image file.

file_size	integer	The size of the file in bytes.	nullable
height	integer	The height of the image in pixels.	nullable
width	integer	The width of the image in pixels.	nullable
url*	string	The URL where the file can be downloaded from.
file_name	string	The name of the file. It will be auto-generated if not provided.	nullable
content_type	string	The mime type of the file.	nullable

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", …}]}