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We hand the MiniMax H3 Max API a product shot and get a fifteen-second clip with sound back. The first frame is our photo, exactly.
The MiniMax H3 Max API animates one still image into a long-form clip -- the image is the first frame, 5 to 15 seconds with synchronized audio, 480P or 768P, adaptive ratio or 16:9/4:3/1:1/3:4/9:16/21:9, prompts up to 7000 characters -- via one OpenAI-compatible REST endpoint, metered per clip at 15% below official.
Input
The text prompt sent to the model
Output
SampleRun the model to replace this previewMiniMax H3 Max API: Image-to-Video
Use the MiniMax H3 Max API to animate one still into a long-form clip: the image is the first frame, 5 to 15 seconds, synchronized audio, 480P or 768P.
The MiniMax H3 Max API (minimax/minimax-h3-max-i2v) is the long-form image-to-video tier of MiniMax's H3 family: you supply one still image and a text prompt, and the MiniMax H3 Max API uses the image as the first frame and generates the motion that follows, audio included. Duration is any whole number from 5 to 15 seconds (default 6), resolution is 480P for cheap drafts or 768P for delivery (default 768P), and ratio defaults to adaptive -- the clip keeps the framing of your image -- or you can force 16:9, 4:3, 1:1, 3:4, 9:16 or 21:9. Prompts run to 7000 characters, so the MiniMax H3 Max API takes detailed direction on motion, mood and camera in one request.
Pricing on the MiniMax H3 Max API is metered per clip by duration and resolution at 15% below the official list -- from $0.198 for a 5-second 480P clip, $0.360 for the default 6-second 768P clip, up to $0.900 at 15 seconds 768P -- with no per-request fee. The MiniMax H3 Max API is async and OpenAI-compatible on one RouterBase key across 200+ models: POST /v1/videos/generations with model=minimax/minimax-h3-max-i2v, image_urls=[url] and a prompt, poll GET /v1/videos/generations/{id} until status=success, and pull the finished clip from a signed CDN URL.
Six reasons teams ship on the MiniMax H3 Max API
From one still frame to a 15-second clip with audio -- what the MiniMax H3 Max API gets right.
Animate a single still
Pass one image URL and a prompt; the MiniMax H3 Max API keeps that image as the first frame and generates the motion that follows -- product shots, key art or a photo become footage.
Any length from 5 to 15 seconds
Set duration to any whole second from 5 to 15 (default 6). The MiniMax H3 Max API lets one render fit a tight loop or a full fifteen-second story without stitching.
Synchronized audio built in
Every clip from the MiniMax H3 Max API renders with synchronized audio, so a still and a prompt come back as a finished, sound-on clip with no separate audio pass.
Two resolutions, one model
Pick 480P to iterate cheaply or 768P for delivery (default 768P). The MiniMax H3 Max API lets you draft and finalize on the same endpoint by flipping one parameter.
Adaptive ratio keeps your framing
Leave ratio on adaptive and the MiniMax H3 Max API matches the input image, or force 16:9, 4:3, 1:1, 3:4, 9:16 or 21:9 to recut the same still for a different placement.
Metered pricing, 15% below official
From $0.198 at 5s/480P to $0.900 at 15s/768P, metered per clip with no per-request fee -- 15% off the official rate. The MiniMax H3 Max API uses the same JSON shape as every RouterBase model; switching is only a model ID change.
Quickstart
Get started with the MiniMax H3 Max API in 3 steps
From sign-up to your first MiniMax H3 Max API image-to-video call in under 5 minutes.
Upload a still and write a prompt
Put one public image URL in image_urls -- it becomes the first frame -- and describe the motion, mood, sound and camera in the prompt (up to 7000 characters). The MiniMax H3 Max API animates from that frame, so a clean, well-composed still yields the best result.
POST to the MiniMax H3 Max API endpoint
Send image_urls, prompt and optional duration, resolution and ratio to POST /v1/videos/generations. The MiniMax H3 Max API returns an async job id; poll GET /v1/videos/generations/{id} until status=success.
Poll and download the clip
The success response from the MiniMax H3 Max API contains a signed CDN URL in the results array. Drop it into a <video> tag or copy it to your bucket -- audio included, no post-processing.
Pay only for what you use
RouterBase passes through partner-tier pricing. Compared against the model's official published API rate.
| Resolution | RouterBase | Official | Save |
|---|---|---|---|
| 768P 6s | $0.360 | −15% | |
| 480P 6s | $0.238 | −15% |
About $0.060 per second.One run at the default settings (768P) costs $0.360.With $1 you can run this model approximately 2 times.
What teams build with the MiniMax H3 Max API
Real production loads running on the MiniMax H3 Max API and the RouterBase catalog.
Adaptive ratio means the MiniMax H3 Max API keeps our key art framed the way we shot it -- no recropping.
Any length from five to fifteen seconds from one still, no stitching. The MiniMax H3 Max API gives us exactly the duration we ask for.
We animate drafts at 480P on the MiniMax H3 Max API and re-render the winners at 768P. Same endpoint, one parameter.
One image, one prompt, sound-on video out. The MiniMax H3 Max API turned my illustration into a clip in a single call.
RouterBase puts 200+ models behind one key. We made the MiniMax H3 Max API our default for animating stills.
At 15% below list the MiniMax H3 Max API fits our ad budget, and the fixed ratios recut one still for every feed.
Same JSON shape, different model ID. Adding the MiniMax H3 Max API was the easiest change in our rollout.
Metered per clip with audio included keeps costs predictable when the MiniMax H3 Max API animates thousands of stills a week.
Frequently Asked Questions
Common questions about the MiniMax H3 Max API image-to-video task.
The MiniMax H3 Max API image-to-video task animates a single still image into a long-form video with synchronized audio on MiniMax's H3 Max model. The image becomes the first frame and the prompt directs the motion.