Runway Aleph Free: AI Video Generator with Precise Control

curl --request POST \
  --url https://model-api.runcomfy.net/v1/models/runwayml/runway-aleph/video-to-video \
  --header "Content-Type: application/json" \
  --header "Authorization: Bearer <token>" \
  --data '{
    "prompt": "change the scene to a sunset scene",
    "video_url": "https://playgrounds-storage-public.runcomfy.net/tools/7077/media-files/usecase1-4-output.mp4",
    "ratio": "1280:720"
  }'

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",
    "video_url",
    "ratio"
  ],
  "properties": {
    "video_url": {
      "title": "Video URL",
      "description": "",
      "type": "string",
      "validations": [
        {
          "validation_rule": "file_size_mb<",
          "validation_value": 16,
          "validation_error": "File size must be less than 16 MB."
        }
      ],
      "default": "https://playgrounds-storage-public.runcomfy.net/tools/7077/media-files/usecase1-4-output.mp4"
    },
    "prompt": {
      "title": "Prompt",
      "description": "The prompt should be less than 1000 characters to get better results.",
      "type": "string",
      "default": "change the scene to a sunset scene"
    },
    "ratio": {
      "title": "Resolution (W:H)",
      "description": "The resolution of the video to generate.",
      "type": "string",
      "enum": [
        "1584:672",
        "1280:720",
        "848:480",
        "1104:832",
        "640:480",
        "960:960",
        "832:1104",
        "720:1280"
      ],
      "default": "1280:720"
    },
    "image_url": {
      "title": "Image Reference",
      "description": "Passing an image reference allows the model to emulate the style or content of the reference in the output.",
      "type": "string",
      "validations": [
        {
          "validation_rule": "file_size_mb<",
          "validation_value": 16,
          "validation_error": "File size must be less than 16 MB."
        }
      ]
    }
  }
}