Flux 2 Dev Free: High-Precision Image-to-Image Generation

curl --request POST \
  --url https://model-api.runcomfy.net/v1/models/blackforestlabs/flux-2/dev/edit \
  --header "Content-Type: application/json" \
  --header "Authorization: Bearer <token>" \
  --data '{
    "prompt": "Change his clothes to casual suit and tie",
    "image_urls": [
      "https://playgrounds-storage-public.runcomfy.net/tools/7224/media-files/input-1-1.png"
    ]
  }'

curl --request GET \
  --url https://model-api.runcomfy.net/v1/requests/{request_id}/status \
  --header "Authorization: Bearer <token>"

curl --request GET \
  --url https://model-api.runcomfy.net/v1/requests/{request_id}/result \
  --header "Authorization: Bearer <token>"

curl --request POST \
  --url https://model-api.runcomfy.net/v1/requests/{request_id}/cancel \
  --header "Authorization: Bearer <token>"

{
  "type": "object",
  "title": "modelApiDoc_navInputSchema",
  "required": [
    "prompt",
    "image_urls"
  ],
  "properties": {
    "prompt": {
      "title": "Prompt",
      "description": "",
      "type": "string",
      "default": "Change his clothes to casual suit and tie"
    },
    "guidance_scale": {
      "title": "Guidance Scale",
      "description": "Guidance Scale is a measure of how close you want the model to stick to your prompt when generating the image.",
      "type": "float",
      "minimum": 0,
      "maximum": 20,
      "default": 2.5
    },
    "seed": {
      "title": "Seed",
      "description": "",
      "type": "integer",
      "default": 0
    },
    "num_inference_steps": {
      "title": "Number of Inference Steps",
      "description": "The number of inference steps to perform during image generation.",
      "type": "integer",
      "minimum": 4,
      "maximum": 50,
      "default": 28
    },
    "image_size": {
      "title": "Image Size",
      "description": "Specifies the size of the image to generate. Choose a preset aspect ratio or use Custom to specify width and height between 512 and 2048 pixels.",
      "type": "string",
      "enum": [
        "square_hd",
        "square",
        "portrait_4_3",
        "portrait_16_9",
        "landscape_4_3",
        "landscape_16_9"
      ],
      "default": "square_hd"
    },
    "num_images": {
      "title": "Number of Images",
      "description": "The number of images to generate.",
      "type": "integer",
      "minimum": 1,
      "maximum": 4,
      "default": 1
    },
    "enable_prompt_expansion": {
      "title": "Magic Prompt",
      "description": "If set to true, the prompt will be expanded for better results.",
      "type": "boolean",
      "default": false
    },
    "output_format": {
      "title": "Output Format",
      "description": "Specifies the output image format.",
      "type": "string",
      "enum": [
        "jpeg",
        "png",
        "webp"
      ],
      "default": "png"
    },
    "image_urls": {
      "title": "Images",
      "description": "The URLs of the images for editing. Maximum of 3 image URLs; if more are provided, only the first 3 will be used.",
      "type": "array",
      "items": {
        "type": "string",
        "format": "image_uri"
      },
      "maxItems": 3,
      "minItems": 1,
      "default": [
        "https://playgrounds-storage-public.runcomfy.net/tools/7224/media-files/input-1-1.png"
      ]
    }
  }
}