MiniMax H3 Image-to-Video

Endpoint

POST /videos/generations

Full URL: https://modelfold.ai/v1/videos/generations

Authentication: every request must include the Authorization: Bearer <API_KEY> header.

Send model parameters directly in the JSON body. Do not wrap them in input. This request waits for generation to finish and returns data[].url; supported media models also offer async jobs, polling and callbacks. Replace example media URLs with your own publicly accessible files. See API gateway for billing and errors.

Request Parameters

Body (application/json)

Parameter	Type	Required	Description
model	string	Yes	The name of the model used for the generation task. Used for MiniMax H3 image-to-video. Default："minimax-h3/image-to-video"。 Allowed values：minimax-h3/image-to-video。 Example：minimax-h3/image-to-video。
prompt	string	Yes	Prompt required by the ModelFold gateway; at most 2000 characters. Video generation prompt, length is between 1 and 7000 characters. minLength: 1. maxLength: 2000. Example：Let the character in the scene turn around naturally and smile, camera slowly pushing forward。
duration	integer	Yes	Generated video duration, supporting integer values from 4 to 15 seconds. Default：6。 Allowed values：4 / 5 / 6 / 7 / 8 / 9 / 10 / 11 / 12 / 13 / 14 / 15。 minimum: 4. maximum: 15. Example：6。
first_frame_url	string	No	First frame image URL. Note: Either first_frame_url or last_frame_url must be provided. Publicly accessible HTTP(S) URL; supports JPG, JPEG, PNG, WEBP, HEIC, HEIF formats; single image size not exceeding 30 MB, image side length between 256 and 5760 pixels, aspect ratio between 0.4 and 2.5. pattern: `^(https?
last_frame_url	string	No	Last frame image URL. Note: Either first_frame_url or last_frame_url must be provided. Image restrictions are the same as first_frame_url. pattern: `^(https?
resolution	string	No	Video resolution. Default："2K"。 Allowed values：768P / 2K。 Example：2K。

Request Example

curl -X POST "https://modelfold.ai/v1/videos/generations" \
  -H "Authorization: Bearer $MODELFOLD_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "minimax-h3/image-to-video",
  "prompt": "Let the character in the scene turn around naturally and smile, camera slowly pushing forward",
  "duration": 6,
  "resolution": "2K"
}'

{
  "model": "minimax-h3/image-to-video",
  "prompt": "Let the character in the scene turn around naturally and smile, camera slowly pushing forward",
  "duration": 6,
  "resolution": "2K"
}

Response

200 — Generation completed. usage contains actual billing details; result URLs are illustrative.

{
  "ok": true,
  "created": 1792134000,
  "data": [
    {
      "url": "https://modelfold.ai/uploads/outputs/result.mp4"
    }
  ],
  "usage": {}
}