API reference

/fal-ai/flux-pro/kontext/multi

Official documentation: https://fal.ai/models/fal-ai/flux-pro/kontext/multi

POST/fal-ai/flux-pro/kontext/multi

Body Parametersapplication/json

guidance_scale number

Range value: 1-20

image_urls* array

Image URL

items

string string

num_images integer

Number of generated images, range: 1-4

output_format string

Image output format: "jpeg", "png"

prompt* string

prompt word

safety_tolerance string

safety tolerance

Responses

200 application/json

response-200 object

400 Bad request or validation failed application/json

response-400 object

properties

error* object

401 Missing or invalid API Key application/json

response-401 object

Request Body Example

2"guidance_scale": 3.5,

3"image_urls": [

4"https://v3.fal.media/files/penguin/XoW0qavfF-ahg-jX4BMyL_image.webp",

5"https://v3.fal.media/files/tiger/bml6YA7DWJXOigadvxk75_image.webp"

6],

7"num_images": 1,

8"output_format": "jpeg",

9"prompt": "Put the little duckling on top of the woman's t-shirt.",

10"safety_tolerance": "2"

11}

Code Sample cURL

1curl -X POST "https://api.digislash.com/fal-ai/flux-pro/kontext/multi" \

2-H "Authorization: Bearer <API Key>" \

3-H "Content-Type: application/json" \

4-d '{

5"guidance_scale": 3.5,

6"image_urls": [

7"https://v3.fal.media/files/penguin/XoW0qavfF-ahg-jX4BMyL_image.webp",

8"https://v3.fal.media/files/tiger/bml6YA7DWJXOigadvxk75_image.webp"

9],

10"num_images": 1,

11"output_format": "jpeg",

12"prompt": "Put the little duckling on top of the woman's t-shirt.",

13"safety_tolerance": "2"

14}'

Response

1▼{

2"cancel_url": "https://queue.fal.run/fal-ai/flux-pro/requests/30bc4aeb-0543-4198-929c-da97da4d14c9/cancel",

3"logs": [],

4"metrics": {},

5"queue_position": 0,

6"request_id": "30bc4aeb-0543-4198-929c-da97da4d14c9",

7"response_url": "https://queue.fal.run/fal-ai/flux-pro/requests/30bc4aeb-0543-4198-929c-da97da4d14c9",

8"status": "IN_QUEUE",

9"status_url": "https://queue.fal.run/fal-ai/flux-pro/requests/30bc4aeb-0543-4198-929c-da97da4d14c9/status"

10}