MiniMax-H3 video API

Supports text-to-video, image-to-video (first/last frame), and multimodal reference. Resolution 480P / 768P / 1080P / 2K, duration 4–30 seconds. Model: MiniMax-H3.

Action	Method	Path
Create	`POST`	`/v1/videos` (also `/v1/video/generations`)
Context IR	`POST`	`/v1/videos/h3_context_ir`
768P → 2K regen	`POST`	`/v1/videos/regeneration`
Get result	`GET`	`/v1/videos/{task_id}`

Host: https://api.omniall.ai · Auth Authorization: Bearer sk-....

Resolution & duration

Field	Notes
`resolution`	`480P` / `768P` / `1080P` / `2K`
`duration` / `seconds`	4–30 seconds (integer)
Context IR	Optional per-call surcharge when enhanced understanding is enabled (see model details)

Modes & ratio

Mode	When	`ratio`
t2va	text only	required, not `adaptive`
i2va	first/last frame	forced `adaptive`
r2va	`reference_*`	optional (default `adaptive`)

Do not mix first/last frames with reference_* in one request.

curl -X POST "https://api.omniall.ai/v1/videos" \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "MiniMax-H3",
    "prompt": "A cat walking through a bamboo forest",
    "seconds": "10",
    "ratio": "16:9",
    "resolution": "1080P"
  }'

Full scenarios: API Reference → Video → MiniMax-H3.