LTX-2 19B Image-to-Video LoRA: Realistic Motion & Audio Synthesis from Still Images | RunComfy

curl --request POST \
  --url https://model-api.runcomfy.net/v1/models/ltx/ltx-2-19b/image-to-video/lora \
  --header "Content-Type: application/json" \
  --header "Authorization: Bearer <token>" \
  --data '{
    "image": "https://playgrounds-storage-public.runcomfy.net/tools/7311/media-files/input-1-1.png",
    "prompt": "A man plays with his dog in a quiet backyard, tossing a ball and laughing as the dog runs back to him; soft afternoon light, natural movement, warm and peaceful mood."
  }'

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": [
    "image",
    "prompt"
  ],
  "properties": {
    "image": {
      "title": "Image",
      "description": "The image for the generation.",
      "type": "string",
      "default": "https://playgrounds-storage-public.runcomfy.net/tools/7311/media-files/input-1-1.png"
    },
    "prompt": {
      "title": "Prompt",
      "description": "",
      "type": "string",
      "default": "A man plays with his dog in a quiet backyard, tossing a ball and laughing as the dog runs back to him; soft afternoon light, natural movement, warm and peaceful mood."
    },
    "resolution": {
      "title": "Resolution",
      "description": "Video resolution.",
      "type": "string",
      "enum": [
        "480p",
        "720p",
        "1080p"
      ],
      "default": "720p"
    },
    "duration": {
      "title": "Duration",
      "description": "The duration of the generated media in seconds.",
      "type": "integer",
      "minimum": 5,
      "maximum": 20,
      "default": 5
    },
    "loras": {
      "title": "LoRAs",
      "description": "List of LoRAs to apply (maximum 3).",
      "type": "array",
      "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 of the LoRA model.",
          "type": "float",
          "format": "float_slider_with_range",
          "minimum": 0,
          "maximum": 4,
          "default": 1
        }
      },
      "maxItems": 3,
      "minItems": 0
    },
    "seed": {
      "title": "Seed",
      "description": "",
      "type": "integer",
      "minimum": -1,
      "maximum": 2147483647,
      "default": -1
    }
  }
}