API reference · MiniMax

minimax/h3/reference-to-video

Integrate this model through SandBase's unified API, with production-ready schemas and examples.

VIDEOAsyncOpen model

Production endpoint

Send your first request

OpenAI-compatible endpoint with unified authentication and usage tracking.

POSThttps://api.sandbase.ai/v1/run

Model IDminimax/h3/reference-to-video

Input Schema

7 parameters · 2 required · 5 optional

Parameter	Type	Required	Description
`prompt`	string	Required	Min length: 1 · Max length: 7000 · Default: "Keep the referenced character and motion consistent while creating a cinematic garden scene with synchronized ambient sound."
`duration`	integer	Required	Options: 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 · Default: 5 456789101112131415
`audios`	string[]	Optional	Audio requires at least one reference image or video.
`images`	string[]	Optional	—
`videos`	string[]	Optional	Each clip must be 2–15 seconds; combined duration must not exceed 15 seconds.
`resolution`	string	Optional	Output resolution. 768P is generated natively; 2K is upscaled via an in-context regeneration pass. · Options: 768P, 2K · Default: "2K" 768P2K
`aspect_ratio`	string	Optional	Options: adaptive, 21:9, 16:9, 4:3, 1:1, 3:4, 9:16 · Default: "adaptive" adaptive21:916:94:31:13:49:16

Output Schema

Field	Type	Description
`id`	string	Unique identifier for the generation task
`status`	string	Task status: pending, running, completed, failed, timeout
`model`	string	Model used for the generation
`outputs`	array	Array of output items
`outputs[].url`	string	URL of the generated artifact
`outputs[].content_type`	string	MIME type (e.g. image/png, video/mp4)
`error`	object \| null	Error details if failed, null on success
`error.type`	string	Machine-readable error type code
`error.message`	string	Human-readable error description

Async Workflow

This model uses asynchronous execution. Submit a request and poll for the result.

Submit — POST to /v1/run, receive an id
Poll — GET /v1/run/{id} until status is completed, failed, or timeout
Retrieve — Read outputs from the completed response

Code Examples

Ready-to-run snippets

# Step 1: Submit
curl -X POST https://api.sandbase.ai/v1/run \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
  "model": "minimax/h3/reference-to-video",
  "prompt": "Keep the referenced character and motion consistent while creating a cinematic garden scene with synchronized ambient sound.",
  "duration": 5,
  "resolution": "2K",
  "aspect_ratio": "adaptive"
}'

# Step 2: Poll result (replace <id>)
curl https://api.sandbase.ai/v1/run/<id> \
  -H "Authorization: Bearer YOUR_API_KEY"

← Back to MiniMax H3 (Reference to Video)