GET

/v1/schemas/fal/image/fal-ai%2Fesrgan

Accept:

kind inputactivity imagehash a8324e25…extracted Jul 6, 2026version currentsource upstream spec ↗

Request body

6 properties · 1 required · 0 $defs

property	type	description	constraints
image_url*	string	Url to input image
model	enum	Model to use for upscaling	RealESRGAN_x4plus \| RealESRGAN_x2plus \| RealESRGAN_x4plus_anime_6B \| RealESRGAN_x4_v3 \| RealESRGAN_x4_wdn_v3 \| RealESRGAN_x4_anime_v3 · default: "RealESRGAN_x4plus"
tile	integer	Tile size. Default is 0, that is no tile. When encountering the out-of-GPU-memory issue, please specify it, e.g., 400 or 200	default: 0
face	boolean	Upscaling a face	default: false
output_format	enum	Output image format (png or jpeg)	png \| jpeg · default: "png"
scale	number	Rescaling factor	1 ≤ n ≤ 8 · default: 2

Validate a payload

before you spend tokens

shell

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