PopNowAPI Docs
Main content

MiniMax H3 Singularity LoRA API reference

Community-tuned H3 video that loads your own LoRAs

Call MiniMax H3 Singularity LoRA 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 credits, and a request you can paste into a terminal.

At a glance

Made by
MiniMax
Output
Video
From
9 credits per second of output ($0.09)
Typical time
about 76 s
Model IDs

1 credit = $0.01. A task holds the highest possible charge when it is accepted and settles the real amount when it finishes, rounded up to whole credits; failed tasks are not charged. Ask POST /api/v1/jobs/quote for the exact figure before you run.

Image to Video

minimax/h3-singularity-lora/image-to-video

Price

OptionCredits (per second of output)US dollars
480p9.38$0.0938
540p14.06$0.1406
768p18.75$0.1875
1080p37.5$0.375

Parameters

FieldTypeDefaultAllowedWhat it does
promptRequiredstring—up to 7,000 charactersDescribe what happens after the opening frame: the action, the camera and the sound.
image_urlRequiredstring (uri)——Opening frame. The clip starts from this image and keeps its aspect ratio.
last_image_urlOptionalstring (uri)——Optional closing frame the clip should resolve to.
resolutionOptionalstring480p480p, 540p, 768p, 1080pOutput resolution.
duration_secondsOptionalinteger53 to 15Requested output length in whole seconds, from 3 to 15.
lorasOptionalarray<object>[]up to 3 itemsUp to three LoRA weight files trained for MiniMax H3, each with its own strength.
seedOptionalinteger—0 to 2147483647Random seed for controlled comparisons.

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.

POST /api/v1/jobs/createTask
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-singularity-lora/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": "480p"
  }
}'

The response carries a taskId straight away. Read the result with GET /api/v1/jobs/recordInfo, or add callBackUrl to be notified.

GET /api/v1/jobs/recordInfo
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-singularity-lora/reference-to-video

Price

OptionCredits (per second of output)US dollars
480p9$0.09
540p13.5$0.135
768p20.25$0.2025
1080p40.5$0.405

Parameters

FieldTypeDefaultAllowedWhat it does
promptRequiredstring—up to 7,000 charactersRefer to the references by number and describe the shot they should produce, including the sound.
reference_image_urlsOptionalarray<string (uri)>—up to 9 itemsReference images, up to nine. Each one adds a per-reference charge.
reference_video_urlsOptionalarray<string (uri)>—up to 3 itemsReference videos, up to three and 15 seconds in total. Their seconds are billed like output seconds.
reference_audio_urlsOptionalarray<string (uri)>—up to 3 itemsReference audio clips, up to three. Each one adds a per-reference charge.
aspect_ratioOptionalstring16:916:9, 9:16, 1:1, 4:3, 3:4, 21:9, 9:21Output aspect ratio.
resolutionOptionalstring480p480p, 540p, 768p, 1080pOutput resolution.
duration_secondsOptionalinteger53 to 15Requested output length in whole seconds, from 3 to 15.
lorasOptionalarray<object>[]up to 3 itemsUp to three LoRA weight files trained for MiniMax H3, each with its own strength.
seedOptionalinteger—0 to 2147483647Random seed for controlled comparisons.

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.

POST /api/v1/jobs/createTask
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-singularity-lora/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": "480p"
  }
}'

The response carries a taskId straight away. Read the result with GET /api/v1/jobs/recordInfo, or add callBackUrl to be notified.

GET /api/v1/jobs/recordInfo
curl "https://api.popnow.ai/api/v1/jobs/recordInfo?taskId=TASK_ID_FROM_CREATE_TASK" \
  -H "Authorization: Bearer $POPNOW_API_KEY"

Extend Video

minimax/h3-singularity-lora/video-extend

Price

OptionCredits (per second of output)US dollars
480p9.38$0.0938
540p14.06$0.1406
768p18.75$0.1875
1080p37.5$0.375

Parameters

FieldTypeDefaultAllowedWhat it does
promptRequiredstring—up to 7,000 charactersDescribe what happens next: the action that follows, the camera move and the sound.
video_urlRequiredstring (uri)——The clip to continue: MP4, MOV or WebM, up to 60 seconds. Its last frame opens the new segment, and the result is your clip with the new segment joined on.
last_image_urlOptionalstring (uri)——Optional target end frame: the new segment comes to rest on this picture.
resolutionOptionalstring480p480p, 540p, 768p, 1080pResolution of the new segment. Match your source clip; it sets how sharp the new part is generated.
duration_secondsOptionalinteger53 to 15Length of the new segment in whole seconds, from 3 to 15. The source clip is added on top and is not billed.
lorasOptionalarray<object>[]up to 3 itemsUp to three LoRA weight files trained for MiniMax H3, each with its own strength, applied to the new segment. Reuse the ones used for the source clip to keep the style consistent.
seedOptionalinteger—0 to 2147483647Random seed for controlled comparisons.

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 video_url. Replace them with your own public HTTPS links, uploads or saved assets.

POST /api/v1/jobs/createTask
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-singularity-lora/video-extend",
  "input": {
    "prompt": "The flowers keep opening while the camera slowly pulls back to reveal a sunlit meadow",
    "video_url": "https://media.popnow.ai/effects/flower-bloom-1abd6efb.mp4",
    "duration_seconds": 5,
    "resolution": "480p"
  }
}'

The response carries a taskId straight away. Read the result with GET /api/v1/jobs/recordInfo, or add callBackUrl to be notified.

GET /api/v1/jobs/recordInfo
curl "https://api.popnow.ai/api/v1/jobs/recordInfo?taskId=TASK_ID_FROM_CREATE_TASK" \
  -H "Authorization: Bearer $POPNOW_API_KEY"

Next steps

On this page

At a glanceImage to VideoReference to VideoExtend VideoNext steps