GET

/v1/schemas/fal/image/bria/fibo-lite/generate

Accept:

kind inputactivity imagehash 8907fbab…extracted Aug 18, 2026version currentsource upstream spec ↗

field	recorded source
schema	Source linked above. upstream-spec Source trace `588eb96c4754f2b36db3ff71979cd4eda39da394a2ee8579c5e2b3a734050c92` { "fetchedAt": 1787029201, "extractorVersion": "1", "verifiedAt": null }

Request body

6 properties · 0 required · 6 $defs

property	type	description	constraints
seed	integer	Seed for the random number generator.	default: 7
aspect_ratio	enum	Aspect ratio. Options: 1:1, 2:3, 3:2, 3:4, 4:3, 4:5, 5:4, 9:16, 16:9	1:1 \| 2:3 \| 3:2 \| 3:4 \| 4:3 \| 4:5 · +3 more · default: "1:1"
prompt	string	The prompt to generate.	nullable
image_url	string	Input image URL	nullable
sync_mode	boolean	If true, returns the image directly in the response (increases latency).	default: false
structured_prompt	StructuredPrompt	The structured prompt to generate.	nullable

Types

6 $defs

AestheticsDetailsobject

Aesthetic analysis of the image.

mood_atmosphere*	string	E.g., 'serene', 'energetic', 'mysterious', 'joyful'.
color_scheme*	string	E.g., 'monochromatic blue', 'warm complementary colors', 'high contrast'.
composition*	string	E.g., 'rule of thirds', 'symmetrical', 'centered', 'leading lines'.
aesthetic_score*	string	E.g., 'very low', 'low', 'medium', 'high', 'very high'.
preference_score*	string	E.g., 'very low', 'low', 'medium', 'high', 'very high'.

LightingDetailsobject

Lighting information for the image.

conditions*	string	E.g., 'bright daylight', 'dim indoor', 'studio lighting', 'golden hour'.
direction*	string	E.g., 'front-lit', 'backlit', 'side-lit from left'.
shadows	string	Describe the presence of shadows.	nullable

ObjectDescriptionobject

Detailed object description with all attributes.

skin_tone_and_texture	string	Describe the skin tone and texture.	nullable
relationship*	string	Describe the relationship between the object and the other objects in the image.
pose	string	Describe the body position.	nullable
relative_size	string	E.g., 'small', 'medium', 'large within frame'.	nullable
clothing	string	Describe attire.	nullable
location*	string	E.g., 'center', 'top-left', 'bottom-right foreground'.
texture	string	E.g., 'smooth', 'rough', 'metallic', 'furry'.	nullable
appearance_details	string	Any other notable visual details.	nullable
number_of_objects	integer	The number of objects in the cluster.	nullable
description*	string	Short description of the object.
gender	string	Describe the gender of the human.	nullable
orientation	string	Describe the orientation of the human.	nullable
action	string	Describe the action of the human.	nullable
shape_and_color	string	Describe the basic shape and dominant color.	nullable
expression	string	Describe facial expression.	nullable

PhotographicCharacteristicsDetailsobject

Photographic characteristics of the image.

camera_angle*	string	E.g., 'eye-level', 'low angle', 'high angle', 'dutch angle'.
depth_of_field*	string	E.g., 'shallow', 'deep', 'bokeh background'.
lens_focal_length*	string	E.g., 'wide-angle', 'telephoto', 'macro', 'fisheye'.
focus*	string	E.g., 'sharp focus on subject', 'soft focus', 'motion blur'.

StructuredPromptobject

context*	string	Provide any additional context that helps understand the image better.
style_medium	string	Identify the artistic style or medium.	nullable
photographic_characteristics	PhotographicCharacteristicsDetails	Photographic characteristics of the image.	nullable
subject_emotions	string	Explicitly describe any visible emotions or expressions on subjects.	nullable
background_setting*	string	Describe the overall environment, setting, or background, including any notable background elements.
lighting*	LightingDetails	Details about the lighting.
artistic_style*	string	describe specific artistic characteristics, 3 words maximum.
text_render	TextRender[]	List of text renders in the image.	nullable
short_description*	string	A concise summary of the image content, 200 words maximum.
aesthetics*	AestheticsDetails	Details about the image aesthetics.
objects*	ObjectDescription[]	List of prominent foreground/midground objects.

TextRenderobject

Text rendering information in the image.

size*	string	E.g., 'small', 'medium', 'large within frame'.
appearance_details	string	Any other notable visual details.	nullable
color*	string	E.g., 'red', 'blue', 'green'.
text*	string	The text content.
location*	string	E.g., 'center', 'top-left', 'bottom-right foreground'.
font*	string	E.g., 'realistic', 'cartoonish', 'minimalist'.

Validate a payload

before you spend tokens

shell

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