GET

/v1/schemas/fal/image/bria%2Ffibo-bbq-preview%2Fgenerate

kind inputactivity imagehash 4b595c8bextracted Jul 6, 2026version currentsource upstream spec ↗

Request body

9 properties · 0 required · 8 $defs
propertytypedescriptionconstraints
promptstringPrompt for image generation.nullable
steps_numintegerNumber of inference steps.20 ≤ n ≤ 50 · default: 50
aspect_ratioenumAspect ratio. Options: 1:1, 2:3, 3:2, 3:4, 4:3, 4:5, 5:4, 9:16, 16:91:1 | 2:3 | 3:2 | 3:4 | 4:3 | 4:5 · +3 more · default: "1:1"
image_urlstringReference image (file or URL).nullable
sync_modebooleanIf true, returns the image directly in the response (increases latency).default: false
guidance_scaleintegerGuidance scale for text.3 ≤ n ≤ 5 · default: 5
seedintegerRandom seed for reproducibility.default: 5555
negative_promptstringNegative prompt for image generation.default: ""
structured_promptStructuredPrompt | string | objectThe structured prompt to generate an image from.nullable

Validate a payload

before you spend tokens
shell
$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"fal","endpointId":"bria/fibo-bbq-preview/generate","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}