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POST
The submit endpoint returns a task_id. Use the unified Query Task Status endpoint, or provide callback_url to receive the finished or failed result.

Flux 3 Video Generation

Select a model based on the source media you want to provide: See the parameter descriptions below for model-specific requirements and limits.

Authorizations

Authorization
string
header
required

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

Body

application/json
model
enum<string>
required

Flux 3 workflow to use. The selected model determines which media input field is required.

Available options:
flux-3/text-to-video,
flux-3/image-to-video,
flux-3/first-last-frame-to-video,
flux-3/extend-video,
flux-3/keyframes-to-video
input
object
required
callback_url
string<uri>

Webhook URL that receives the finished or failed result.

Response

200 - application/json

Task submitted

code
integer
Example:

200

data
object