MiniMax H3 X Turbo API reference
Text, images or audio references into video with sound
Call MiniMax H3 X Turbo from your own code with one PopNow API key. Below are the exact model IDs to send, every input field the model accepts, what each request costs in USD, and a request you can paste into a terminal.
At a glance
- Made by
- MiniMax
- Output
- Video
- From
- $0.015 USD per second of output
- Typical time
- about 73 s
Prices are in USD, charged to your separate API wallet. A task reserves the maximum possible charge when accepted and settles actual usage on completion; any remainder is released. Failed tasks are not charged. Call POST /api/v1/jobs/quote for an exact quote before running.
Create Video
minimax/h3-x-turbo/text-to-video
Price
| Option | USD |
|---|---|
480p | $0.015 per second of output |
720p | $0.024 per second of output |
1080p | $0.032 per second of output |
Parameters
| Field | Type | Default | Allowed | What it does |
|---|---|---|---|---|
promptRequired | string | — | up to 7,000 characters | Describe the scene, the action, spoken lines in double quotes, the camera and the sound. Timed shots ("At 5 seconds the shot cuts to…") are followed. |
aspect_ratioOptional | string | 16:9 | 16:9, 9:16, 1:1, 4:3, 3:4, 21:9 | Output aspect ratio. |
resolutionOptional | string | 720p | 480p, 720p, 1080p | Output resolution. 1080p gives a bigger frame, not visibly more detail than 720p. |
duration_secondsOptional | integer | 5 | 2 to 15 | Output length in whole seconds, from 2 to 15. Billed per second. |
enable_prompt_expansionOptional | boolean | false | — | Let the built-in prompt enhancer rewrite and expand your prompt before generating. Keep it off for literal direction. |
Example request
This request runs as it is; any field you leave out uses its default. Put your key in POPNOW_API_KEY first.
curl -X POST "https://api.popnow.ai/api/v1/jobs/createTask" \
-H "Authorization: Bearer $POPNOW_API_KEY" \
-H "Content-Type: application/json" \
-H "Idempotency-Key: $(uuidgen)" \
-d '{
"model": "minimax/h3-x-turbo/text-to-video",
"input": {
"prompt": "A paper boat drifts down a rain-soaked street at dusk, neon signs reflecting in the water, slow tracking shot at ground level",
"duration_seconds": 5,
"resolution": "720p"
}
}'The response carries a taskId straight away. Read the result with GET /api/v1/jobs/recordInfo, or add callBackUrl to be notified.
curl "https://api.popnow.ai/api/v1/jobs/recordInfo?taskId=TASK_ID_FROM_CREATE_TASK" \
-H "Authorization: Bearer $POPNOW_API_KEY"Image to Video
minimax/h3-x-turbo/image-to-video
Price
| Option | USD |
|---|---|
480p | $0.015 per second of output |
720p | $0.024 per second of output |
1080p | $0.032 per second of output |
Parameters
| Field | Type | Default | Allowed | What it does |
|---|---|---|---|---|
promptRequired | string | — | up to 7,000 characters | Describe what happens after the opening frame: the action, spoken lines in double quotes, the camera and the sound. |
image_urlRequired | string (uri) | — | — | Opening frame. The clip starts from this image and keeps its shape. |
last_image_urlOptional | string (uri) | — | — | Optional closing frame. The clip ends on this image. |
resolutionOptional | string | 720p | 480p, 720p, 1080p | Output resolution. 1080p gives a bigger frame, not visibly more detail than 720p. |
duration_secondsOptional | integer | 5 | 2 to 15 | Output length in whole seconds, from 2 to 15. Billed per second. |
enable_prompt_expansionOptional | boolean | false | — | Let the built-in prompt enhancer rewrite and expand your prompt before generating. Keep it off for literal direction. |
Example request
This request runs as it is; any field you leave out uses its default. Put your key in POPNOW_API_KEY first.
The example uses PopNow sample files in image_url. Replace them with your own public HTTPS links, uploads or saved assets.
curl -X POST "https://api.popnow.ai/api/v1/jobs/createTask" \
-H "Authorization: Bearer $POPNOW_API_KEY" \
-H "Content-Type: application/json" \
-H "Idempotency-Key: $(uuidgen)" \
-d '{
"model": "minimax/h3-x-turbo/image-to-video",
"input": {
"prompt": "He lands softly on the rooftop, laughs and turns toward the camera while the balloons sway in the evening breeze; slow push-in",
"image_url": "https://media.popnow.ai/influencer/examples/marco.webp",
"duration_seconds": 5,
"resolution": "720p"
}
}'The response carries a taskId straight away. Read the result with GET /api/v1/jobs/recordInfo, or add callBackUrl to be notified.
curl "https://api.popnow.ai/api/v1/jobs/recordInfo?taskId=TASK_ID_FROM_CREATE_TASK" \
-H "Authorization: Bearer $POPNOW_API_KEY"Reference to Video
minimax/h3-x-turbo/reference-to-video
Price
| Option | USD |
|---|---|
480p | $0.015 per second of output |
720p | $0.024 per second of output |
1080p | $0.032 per second of output |
Parameters
| Field | Type | Default | Allowed | What it does |
|---|---|---|---|---|
promptRequired | string | — | up to 7,000 characters | Describe the scene and refer to each reference by type and position: "the woman from Image 1", "the motion of Video 1", "the voice of Audio 1". |
reference_image_urlsOptional | array<string (uri)> | — | up to 9 items | Up to nine reference images: people, outfits, products or places, in the order your prompt refers to them. The first five are included; each image after the fifth adds a small charge. |
reference_video_urlsOptional | array<string (uri)> | — | up to 2 items | Up to two reference videos, 15 seconds in total, for a motion or a scene to follow. Their seconds are billed like output seconds. |
reference_audio_urlsOptional | array<string (uri)> | — | up to 3 items | Up to three reference audio clips for a voice or a sound. The spoken words still go in the prompt. |
aspect_ratioOptional | string | 16:9 | 16:9, 9:16, 1:1, 4:3, 3:4, 21:9 | Output aspect ratio. |
resolutionOptional | string | 720p | 480p, 720p, 1080p | Output resolution. 1080p gives a bigger frame, not visibly more detail than 720p. |
duration_secondsOptional | integer | 5 | 2 to 15 | Output length in whole seconds, from 2 to 15. Billed per second. |
enable_prompt_expansionOptional | boolean | false | — | Let the built-in prompt enhancer rewrite and expand your prompt before generating. Keep it off for literal direction. |
Example request
This request runs as it is; any field you leave out uses its default. Put your key in POPNOW_API_KEY first.
The example uses PopNow sample files in reference_image_urls. Replace them with your own public HTTPS links, uploads or saved assets.
curl -X POST "https://api.popnow.ai/api/v1/jobs/createTask" \
-H "Authorization: Bearer $POPNOW_API_KEY" \
-H "Content-Type: application/json" \
-H "Idempotency-Key: $(uuidgen)" \
-d '{
"model": "minimax/h3-x-turbo/reference-to-video",
"input": {
"prompt": "The man from the reference image jogs across a sunlit rooftop at golden hour and smiles at the camera; smooth tracking shot",
"reference_image_urls": [
"https://media.popnow.ai/influencer/examples/ava.webp"
],
"duration_seconds": 5,
"resolution": "720p"
}
}'The response carries a taskId straight away. Read the result with GET /api/v1/jobs/recordInfo, or add callBackUrl to be notified.
curl "https://api.popnow.ai/api/v1/jobs/recordInfo?taskId=TASK_ID_FROM_CREATE_TASK" \
-H "Authorization: Bearer $POPNOW_API_KEY"