Image

Flux Kontext Dev

Changed on

Frontier model designed for image editing, optimized for Krea

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

Request

  • Base URL: https://api.krea.ai
  • URL: https://api.krea.ai/generate/image/bfl/flux-1-kontext-dev
  • Auth: HTTP bearer

Headers

X-Webhook-URLstring uri

URL to receive a POST request when the job completes. The webhook will receive the job data including results. When signing is configured, deliveries are signed with ECDSA P-256 (ES256); verify them with the keys at https://api.krea.ai/.well-known/jwks.json (see X-Krea-Webhook-* headers). Treat requests without these headers as unauthenticated.

Request body

promptstring required
seednumber
stepsinteger
widthnumber
heightnumber
image_urlstring uri nullable

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

guidance_scalenumber

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

strengthnumber

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

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
completed_atunknown required
resultunknown required
progressnumber nullable

Changes

  • 72e9383c3fb2Revision changes
    • info

      added the optional property to the response with the status

  • 27a8a554d4fdRevision changes
    • info

      the response's property pattern was changed from ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d(?::[0-5]\d(?:\.\d+)?)?(?:Z))$ to ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d:[0-5]\d(?:\.\d+)?(?:Z))$ for the status