MiniMax H3 Image LoRA API reference
H3 stills and edits with up to three of your LoRAs
Call MiniMax H3 Image 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
- Image
- From
- 6.3 credits per image ($0.063)
- Typical time
- about 13 s
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.
Create Image
minimax/h3-image-lora/text-to-image
Price
| Option | Credits (per image) | US dollars |
|---|---|---|
1k | 6.3 | $0.063 |
2k | 13.5 | $0.135 |
Parameters
| Field | Type | Default | Allowed | What it does |
|---|---|---|---|---|
promptRequired | string | — | up to 5,000 characters | Describe the subject, composition and lighting. |
aspect_ratioOptional | string | 1:1 | 1:1, 16:9, 9:16, 4:3, 3:4, 3:2, 2:3, 21:9, 9:21, 2:1, 1:2, 3:1, 1:3, 5:4, … (+1) | Output aspect ratio. |
resolutionOptional | string | 1k | 1k, 2k | Output resolution tier: 1k is about one megapixel, 2k about four. |
lorasOptional | array<object> | [] | up to 3 items | Up to three LoRA weight files trained for MiniMax H3, each with its own strength. |
output_formatOptional | string | jpeg | jpeg, png, webp | Container of the returned image. |
seedOptional | integer | — | 0 to 2147483647 | Random 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.
curl -X POST "https://api.popnow.ai/api/v1/jobs/createTask?wait=60" \
-H "Authorization: Bearer $POPNOW_API_KEY" \
-H "Content-Type: application/json" \
-H "Idempotency-Key: $(uuidgen)" \
-d '{
"model": "minimax/h3-image-lora/text-to-image",
"input": {
"prompt": "A cozy reading nook beside a rain-streaked window, warm lamp light, a sleeping orange cat on a knitted blanket, soft film grain",
"resolution": "1k"
}
}'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"Edit Image
minimax/h3-image-lora/edit
Price
| Option | Credits (per image) | US dollars |
|---|---|---|
1k | 8.1 | $0.081 |
2k | 18.9 | $0.189 |
Parameters
| Field | Type | Default | Allowed | What it does |
|---|---|---|---|---|
promptRequired | string | — | up to 5,000 characters | Say what to change. Refer to the references as <Picture 1>, <Picture 2> and so on. |
image_urlsRequired | array<string (uri)> | — | up to 9 items | One to nine reference images. Each one after the first raises the quote. |
aspect_ratioOptional | string | — | 1:1, 16:9, 9:16, 4:3, 3:4, 3:2, 2:3, 21:9, 9:21, 2:1, 1:2, 3:1, 1:3, 5:4, … (+1) | Output aspect ratio. Leave it unset to follow the first reference image. |
resolutionOptional | string | 1k | 1k, 2k | Output resolution tier: 1k is about one megapixel, 2k about four. |
lorasOptional | array<object> | [] | up to 3 items | Up to three LoRA weight files trained for MiniMax H3, each with its own strength. |
output_formatOptional | string | jpeg | jpeg, png, webp | Container of the returned image. |
seedOptional | integer | — | 0 to 2147483647 | Random 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_urls. Replace them with your own public HTTPS links, uploads or saved assets.
curl -X POST "https://api.popnow.ai/api/v1/jobs/createTask?wait=60" \
-H "Authorization: Bearer $POPNOW_API_KEY" \
-H "Content-Type: application/json" \
-H "Idempotency-Key: $(uuidgen)" \
-d '{
"model": "minimax/h3-image-lora/edit",
"input": {
"prompt": "Change the orange jacket to deep forest green and add soft golden-hour light; keep the face, pose and background unchanged",
"image_urls": [
"https://media.popnow.ai/influencer/examples/marco.webp"
],
"resolution": "1k"
}
}'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"