API reference

Create task flux-kontext-apps/multi-image-kontext-pro

Official documentation: https://replicate.com/flux-kontext-apps/multi-image-kontext-pro

POST/replicate/v1/models/flux-kontext-apps/multi-image-kontext-pro/predictions

Body Parametersapplication/json

input object

Input content

properties

aspect_ratio string

The aspect ratio of the generated image. Use "match_input_image" to match the aspect ratio of the input image. Default: "match_input_image"

input_image_1* string

The first input image. Must be in jpeg, png, gif or webp format.

input_image_2* string

Second input image. Must be in jpeg, png, gif or webp format.

output_format string

The output format of the generated image. Default value: "png".

prompt* string

A textual description of how to combine or transform the two input images.

safety_tolerance integer

Security tolerance, 0 is the strictest and 2 is the loosest. 2 is currently the maximum allowed. Default value: 2.

Responses

200 application/json

response-200 object

properties

created_at string

Creation time

data_removed boolean

Whether sensitive data has been removed

error string nullable

Error message

id* string

Resource or task ID

input object

Input content

logs string

Run logs

model string

Model name / model ID

output string nullable

Output result

status* string

Status

urls object

List of resource URLs

version string

Version

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"input": {

3"aspect_ratio": "match_input_image",

4"input_image_1": "https://replicate.delivery/pbxt/N7gRAUNcVF6HarL0hdAQA2JYNMlJD52LP1wyaIWRUXWeHzqT/0_1-1.webp",

5"input_image_2": "https://replicate.delivery/pbxt/N7gRAK5kbPwdsbOpqgyAIOFQX45U6suTlbL6ws2N74SnGFpo/test.jpg",

6"output_format": "png",

7"prompt": "Put the woman next to the house",

8"safety_tolerance": 2

10}

Code Sample cURL

1curl -X POST "https://api.digislash.com/replicate/v1/models/flux-kontext-apps/multi-image-kontext-pro/predictions" \

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

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

4-d '{

5"input": {

6"aspect_ratio": "match_input_image",

7"input_image_1": "https://replicate.delivery/pbxt/N7gRAUNcVF6HarL0hdAQA2JYNMlJD52LP1wyaIWRUXWeHzqT/0_1-1.webp",

8"input_image_2": "https://replicate.delivery/pbxt/N7gRAK5kbPwdsbOpqgyAIOFQX45U6suTlbL6ws2N74SnGFpo/test.jpg",

9"output_format": "png",

10"prompt": "Put the woman next to the house",

11"safety_tolerance": 2

12}

13}'

Response

1▼{

2"created_at": "2025-07-30T02:15:51.786Z",

3"data_removed": false,

4"id": "26t3agjpx9rme0crb4es5cbxx4",

5▼"input": {

6"aspect_ratio": "match_input_image",

7"input_image_1": "https://replicate.delivery/pbxt/N7gRAUNcVF6HarL0hdAQA2JYNMlJD52LP1wyaIWRUXWeHzqT/0_1-1.webp",

8"input_image_2": "https://replicate.delivery/pbxt/N7gRAK5kbPwdsbOpqgyAIOFQX45U6suTlbL6ws2N74SnGFpo/test.jpg",

9"output_format": "png",

10"prompt": "Put the woman next to the house",

11"safety_tolerance": 2

12},

13"logs": "",

14"model": "flux-kontext-apps/multi-image-kontext-pro",

15"status": "starting",

16▼"urls": {

17"cancel": "https://api.replicate.com/v1/predictions/26t3agjpx9rme0crb4es5cbxx4/cancel",

18"get": "https://api.replicate.com/v1/predictions/26t3agjpx9rme0crb4es5cbxx4",

19"stream": "https://stream.replicate.com/v1/files/bcwr-5cw3763ksezvhhtvt4n5ztxeywdagdmyes4uphs7ud3n65mftzba",

20"web": "https://replicate.com/p/26t3agjpx9rme0crb4es5cbxx4"

21},

22"version": "hidden"

23}