GET

/v1/schemas/fal/image/fal-ai/image-editing/youtube-thumbnails

Accept:

kind inputactivity imagehash c68d6037…extracted Jul 6, 2026version currentsource upstream spec ↗

field	recorded source
schema	Source linked above. Source trace `c2ef6d439fd010fe1a15a7a60b8e9b54abbc754ada361f17441f64b6e9b7cfaa` { "fetchedAt": 1783331098, "extractorVersion": "1", "verifiedAt": null }

Request body

8 properties · 1 required · 0 $defs

property	type	description	constraints
image_url*	string	URL of the image to convert to YouTube thumbnail style.
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
guidance_scale	number	The CFG (Classifier Free Guidance) scale is a measure of how close you want the model to stick to your prompt when looking for a related image to show you.	0 ≤ n ≤ 20 · default: 3.5
enable_safety_checker	boolean	Whether to enable the safety checker for the generated image.	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
prompt	string	The text to include in the YouTube thumbnail.	default: "Generate youtube thumbnails"
num_inference_steps	integer	Number of inference steps for sampling.	1 ≤ n ≤ 50 · default: 30
lora_scale	number	The scale factor for the LoRA model. Controls the strength of the LoRA effect.	0 ≤ n ≤ 4 · default: 0.5

Validate a payload

before you spend tokens

shell

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