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H3 Max Camera Controls

h3-max-camera-controls

Video editby MiniMax

H3 Max Multi Angle turns a single image into a video with precise, keyframe-based control over the camera's orbit, elevation, and distance in 3D space

Example

Details

Accepts
image

Pricing

Price
4.06 cr / second

Prices in credits (1 credit = $0.01).

Data schema

Input

FieldTypeDescription
seed—Random seed. A random seed is selected when omitted.
promptstringText prompt for video generation. When omitted or blank, defaults to preserving the frozen reference scene while only the camera moves.
durationnumberVideo length in seconds. The output can run up to about 0.7 s longer than requested.
image_urlrequiredstringURL of the image to use as the first frame.
sync_modebooleanReturn the generated video as base64 instead of a CDN URL.
resolutionstringenum: 480P, 768P, 1080PThe native generation resolution, or 1080P latent refinement from a native 768P source.
camera_trajectoryarrayOrdered camera keyframes. The first pose is held before its time and the final pose is held for the remainder of the video. Signed full turns are preserved, with at most 32 turns of total azimuth travel.
enable_safety_checkerbooleanIf set to true, the safety checker will be enabled.
prompt_expansion_moderequiredstringHow much effort to spend rewriting the prompt before generation. 'disabled' skips prompt expansion. 'balanced' returns in about a second. 'quality' spends up to ~30s on a richer prompt.

Output

FieldTypeDescription
video—The generated video
timings—Timing breakdown in seconds. 'inference' is the DiT denoising time on the GPU backend. Null on routes that do not report backend timings.
expanded_prompt—The prompt after expansion, as sent to the model. Null when prompt expansion was disabled, left the prompt unchanged, or was performed internally by MiniMax's hosted API.