MiniMax H3 Max 480p - Create video
Generate 480p video with MiniMax H3 Max, the optimised H3 build. Supports text-to-video and image-to-video with an optional first and last frame. For reference-guided generation use /ai/video/minimax-h3-max-r2v-480p.
Authorizations
Your Magnific API key. Required for authentication. Learn how to obtain an API key
Body
Text prompt describing the video to generate.
1 - 50000"A cinematic shot of a cat walking through a neon-lit alley at night"
URL to receive a webhook notification when the video generation task completes. The webhook payload includes the task ID and status.
Optional image to use as the first frame for image-to-video generation. Its aspect ratio determines the aspect ratio of the output. Accepts a publicly accessible URL or a base64-encoded image.
Optional image to use as the last frame for image-to-video generation. Requires image: the provider rejects a last frame with no first frame. Accepts a publicly accessible URL or a base64-encoded image.
Video duration in seconds. Any integer from 5 to 15.
5 <= x <= 155
Output video aspect ratio. Available options:
film_horizontal_21_9: Ultra-wide cinematic (21:9)widescreen_16_9: Standard widescreen (16:9)classic_4_3: Classic TV format (4:3)square_1_1: Square format (1:1)traditional_3_4: Portrait classic (3:4)social_story_9_16: Vertical/social media story (9:16)
Note: only applies to text-to-video requests. When image is supplied the output follows the aspect ratio of that image.
film_horizontal_21_9, widescreen_16_9, classic_4_3, square_1_1, traditional_3_4, social_story_9_16 Which prompt expander runs before the generation. disabled sends the prompt verbatim; fast, balanced and quality trade latency for richer prompt rewriting.
disabled, fast, balanced, quality Enable content safety filtering to ensure generated videos comply with safety guidelines.
Random seed for reproducible video generation. Use the same seed with the same prompt to get consistent results. Use -1 for a random seed.
-1 <= x <= 4294967295Response
OK - The task exists and the status is returned