Create task - pass model version (predictions)

POST

https://api.key4u.vn/replicate/v1/predictions

Submit the prediction task in version mode.

Official document: https://replicate.com/lucataco/remove-bg

Request

Authorization

Provide your bearer token in the

Authorization

header when making requests to protected resources.

Example:

Authorization: Bearer ********************

Body Params application/jsonRequired

Examples

Responses

🟢200

application/json

Bodyapplication/json

🟠400Bad request or validation failed

🟠401Missing or invalid API Key

Request Example

Shell

JavaScript

Java

Swift

curl --location 'https://api.key4u.vn/replicate/v1/predictions' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '{
  "input": {
    "image": "https://replicate.delivery/pbxt/JWsRA6DxCK24PlMYK5ENFYAFxJGUQTLr0JmLwsLb8uhv1JTU/shoe.jpg"
  },
  "version": "95fcc2a26d3899cd6c2691c900465aaeff466285a65c14638cc5f36f34befaf1"
}'

Response Example

200 - 2

Successful Examples

{
  "created_at": "2025-07-12T07:27:54.577Z",
  "data_removed": false,
  "id": "w44zs9cet5rmc0cqzp49gpkhf8",
  "input": {
    "aspect_ratio": "match_input_image",
    "input_image": "https://replicate.delivery/xezq/XfwWjHJ7HfrmXE6ukuLVEpXWfeQ3PQeRI5mApuLXRxST7XMmC/tmpc91tlq20.png",
    "output_format": "jpg",
    "prompt": "Make the letters 3D, floating in space on a city street",
    "prompt_upsampling": false,
    "safety_tolerance": 2
  },
  "logs": "",
  "model": "black-forest-labs/flux-kontext-dev",
  "status": "starting",
  "urls": {
    "cancel": "https://api.replicate.com/v1/predictions/w44zs9cet5rmc0cqzp49gpkhf8/cancel",
    "get": "https://api.replicate.com/v1/predictions/w44zs9cet5rmc0cqzp49gpkhf8",
    "stream": "https://stream.replicate.com/v1/files/bcwr-h7bu76ujftxzwih5u35puoysogps56mqvpvjz4nrxskhfe7ks42a",
    "web": "https://replicate.com/p/w44zs9cet5rmc0cqzp49gpkhf8"
  },
  "version": "hidden"
}

Modified at 2026-10-13 12:32:40

Create task black-forest-labs/flux-kontext-max

Query tasks