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Image

Flux.1 Dev

Fast model. Best for LoRAs.

post/generate/image/bfl/flux-1-dev

Headers

X-Webhook-URLstring uri

URL to receive a POST request when the job completes. The webhook will receive the job data including results.

Request body

promptstring required
seednumber
stepsinteger
widthnumber
heightnumber
image_urlstring uri nullable

Can be an external URL, base64 data URI, or uploaded asset URL.

strengthnumber

Denoising strength when an input image is provided. 0 keeps the input image, 1 fully replaces it.

guidance_scalenumber

Classifier-free guidance scale. Higher values follow the prompt more strictly. Default 3.0.

Response

The resulting job data. This will be returned in a pending state until the job is completed. See /jobs/{id} for retrieving the results.

job_idstring uuid required
status'backlogged' | 'queued' | 'scheduled' | 'processing' | 'sampling' | 'intermediate-complete' | 'completed' | 'failed' | 'cancelled' required
created_atstring date-time required
{"stackTrail":"paths:/generate/image/bfl/flux-1-dev:post:responses:200:content:application/json:schema:properties:completed_at","oasType":"schema","type":"unknown"}
{"stackTrail":"paths:/generate/image/bfl/flux-1-dev:post:responses:200:content:application/json:schema:properties:result","oasType":"schema","type":"unknown"}

Changes

Changed in 80 of the 81 revisions of this API.81

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      the request property default value changed from 2780717922 to 2256335124

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