Create Task black-forest-labs/flux-1.1-pro-ultra

POST https://www.kkiai.com/replicate/v1/models/black-forest-labs/flux-1.1-pro-ultra/predictions

Official Documentation: https://replicate.com/black-forest-labs/flux-1.1-pro-ultra

Request Parameters

Authorization

Add the Authorization parameter to the Header, with the value being the Token concatenated after Bearer

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

Header Parameters

Parameter Name	Type	Required	Description	Example
Authorization	string	Optional		Bearer {{YOUR_API_KEY}}

Body Parameters (application/json)

Parameter Name	Type	Required	Description
input	object	Optional
└ raw	boolean	Optional	Generate images with lower processing and more natural appearance. Default value: false.
└ prompt	string	Required	Text prompt for image generation.
└ aspect_ratio	string	Optional	Aspect ratio of the generated image. Default value: "1:1".
└ output_format	string	Optional	Format of the output image. Default value: "jpg".
└ safety_tolerance	integer	Optional	Safety tolerance. 1 is the strictest, 6 is the most lenient. Default value: 2.
└ image_prompt_strength	number	Optional	Blend between prompt and image prompt. Minimum: 0, Maximum: 1.

Request Example

{
    "input": {
      "raw": false,
      "prompt": "a majestic snow-capped mountain peak bathed in a warm glow of the setting sun",
      "aspect_ratio": "3:2",
      "output_format": "jpg",
      "safety_tolerance": 2,
      "image_prompt_strength": 0.1
    }
  }

cURL Example

curl --location --request POST 'https://www.kkiai.com/replicate/v1/models/black-forest-labs/flux-1.1-pro-ultra/predictions' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data-raw '{
    "input": {
      "raw": false,
      "prompt": "a majestic snow-capped mountain peak bathed in a warm glow of the setting sun",
      "aspect_ratio": "3:2",
      "output_format": "jpg",
      "safety_tolerance": 2,
      "image_prompt_strength": 0.1
    }
  }'

Response

🟢 200 Success

Response Body

Parameter Name	Type	Required	Description
input	object	Required
└ aspect_ratio	string	Optional
└ image_prompt_strength	number	Optional
└ output_format	string	Optional
└ prompt	string	Required
└ raw	boolean	Optional
└ safety_tolerance	integer	Optional

Response Example

{
    "id": "brgfcps121rm80crajvr2x4jg4",
    "model": "black-forest-labs/flux-1.1-pro-ultra",
    "version": "hidden",
    "input": {
        "aspect_ratio": "3:2",
        "image_prompt_strength": 0.1,
        "output_format": "jpg",
        "prompt": "a majestic snow-capped mountain peak bathed in a warm glow of the setting sun",
        "raw": false,
        "safety_tolerance": 2
    },
    "logs": "",
    "output": null,
    "data_removed": false,
    "error": null,
    "status": "starting",
    "created_at": "2025-07-29T05:45:44.464Z",
    "urls": {
        "cancel": "https://api.replicate.com/v1/predictions/brgfcps121rm80crajvr2x4jg4/cancel",
        "get": "https://api.replicate.com/v1/predictions/brgfcps121rm80crajvr2x4jg4",
        "stream": "https://stream.replicate.com/v1/files/bcwr-bx7iokgbhtcqohbyy7i5lnli25grd3mhcljqvwxliud4o7ov7mgq",
        "web": "https://replicate.com/p/brgfcps121rm80crajvr2x4jg4"
    }
}