GET

/v1/schemas/fal/image/bria%2Fgenfill%2Fv2

Accept:

kind inputactivity imagehash 72bfc779…extracted Jul 6, 2026version currentsource upstream spec ↗

Request body

6 properties · 3 required · 0 $defs

property	type	description	constraints
mask_url*	string	The mask image.
image_url*	string	The source image.
instruction*	string	Instruct what elements you would like to fill in your image based on the mask.
seed	integer	Random seed for reproducibility.	default: 5555
steps_num	integer	Number of inference steps.	20 ≤ n ≤ 50 · default: 30
sync_mode	boolean	If true, returns the image directly in the response (increases latency).	default: false

Validate a payload

before you spend tokens

shell

$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"fal","endpointId":"bria/genfill/v2","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}