Flux 2 LoRA: Text-to-Image with Custom LoRA & Precise Control | RunComfy

curl --request POST \
  --url https://model-api.runcomfy.net/v1/models/blackforestlabs/flux-2/lora \
  --header "Content-Type: application/json" \
  --header "Authorization: Bearer <token>" \
  --data '{
    "prompt": "GRPZA, dwarf warrior red beard, white background, game asset, pixel art"
  }'

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"
  ],
  "properties": {
    "prompt": {
      "title": "Prompt",
      "description": "The prompt to generate an image from.",
      "type": "string",
      "default": "GRPZA, dwarf warrior red beard, white background, game asset, pixel art"
    },
    "guidance_scale": {
      "title": "Guidance Scale",
      "description": "Guidance Scale is a measure of how close you want the model to stick to your prompt when looking for a related image to show you.",
      "type": "float",
      "minimum": 0,
      "maximum": 20,
      "default": 2.5
    },
    "seed": {
      "title": "Seed",
      "description": "The seed to use for the generation. If not provided, a random seed will be used.",
      "type": "integer",
      "default": 0
    },
    "num_inference_steps": {
      "title": "Number of Inference Steps",
      "description": "The number of inference steps to perform.",
      "type": "integer",
      "minimum": 4,
      "maximum": 50,
      "default": 28
    },
    "image_size": {
      "title": "Image Size",
      "description": "",
      "type": "string",
      "enum": [
        "square_hd",
        "square",
        "portrait_4_3",
        "portrait_16_9",
        "landscape_4_3",
        "landscape_16_9"
      ],
      "default": "landscape_4_3"
    },
    "output_format": {
      "title": "Output Format",
      "description": "The format of the generated image.",
      "type": "string",
      "enum": [
        "jpeg",
        "png",
        "webp"
      ],
      "default": "png"
    },
    "loras": {
      "title": "LoRAs",
      "description": "List of LoRA weights to apply (maximum 3). Each LoRA can be a URL, HuggingFace repo ID, or local path.",
      "type": "array",
      "default": [
        {
          "path": "gokaygokay/Flux-2D-Game-Assets-LoRA",
          "scale": 1
        }
      ],
      "items": {
        "path": {
          "title": "LoRA Path",
          "description": "URL, HuggingFace repo ID (owner/repo), or local path to LoRA weights.",
          "type": "string",
          "format": "str",
          "default": ""
        },
        "scale": {
          "title": "LoRA Scale",
          "description": "Scale factor for LoRA application (0.0 to 4.0). ",
          "type": "float",
          "format": "float_slider_with_range",
          "minimum": 0,
          "maximum": 4,
          "default": 1
        }
      },
      "maxItems": 3,
      "minItems": 0
    }
  }
}