GET

/v1/schemas/fal/image/fal-ai/longcat-image/edit

Accept:

kind inputactivity imagehash 7582333c…extracted Aug 10, 2026version currentsource upstream spec ↗

field	recorded source
schema	Source linked above. Source trace `32743aa273e249eec44a00f6a12343a6632df1f2b8a2cf97f907d9962a6a04f2` { "fetchedAt": 1786338105, "extractorVersion": "1", "verifiedAt": null }

Request body

10 properties · 2 required · 0 $defs

property	type	description	constraints
prompt*	string	The prompt to edit the image with.
image_url*	string	The URL of the image to edit.
output_format	enum	The format of the generated image.	jpeg \| png \| webp · default: "png"
guidance_scale	number	The guidance scale to use for the image generation.	1 ≤ n ≤ 20 · default: 4.5
acceleration	enum	The acceleration level to use.	none \| regular \| high · default: "regular"
enable_safety_checker	boolean	If set to true, the safety checker will be enabled. Disabling it requires account authorization; unauthorized requests are always checked, and images flagged as unsafe are returned as black images.	default: true
sync_mode	boolean	If `True`, the media will be returned as a data URI and the output data won't be available in the request history.	default: false
seed	integer	The same seed and the same prompt given to the same version of the model will output the same image every time.	nullable
num_inference_steps	integer	The number of inference steps to perform.	1 ≤ n ≤ 50 · default: 28
num_images	integer	The number of images to generate.	1 ≤ n ≤ 4 · default: 1

Validate a payload

before you spend tokens

shell

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