Z-Image Base LoRA API reference
Z-Image Base with up to three of your own LoRAs
Call Z-Image Base 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
- Alibaba
- Output
- Image
- From
- 2.16 credits per image ($0.0216)
- Typical time
- about 21 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
alibaba/z-image-base-lora/text-to-image
Price
| Option | Credits (per image) | US dollars |
|---|---|---|
Default | 2.16 | $0.0216 |
Parameters
| Field | Type | Default | Allowed | What it does |
|---|---|---|---|---|
promptRequired | string | — | up to 5,000 characters | Describe the subject, clothing, place and light in sentences. Put a LoRA trigger phrase first. |
aspect_ratioOptional | string | 1:1 | 1:1, 16:9, 9:16, 4:3, 3:4, 3:2, 2:3, 21:9, 9:21 | Output aspect ratio. |
lorasOptional | array<object> | [] | up to 3 items | Up to three LoRA weight files trained for Z-Image Base, 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" \
-H "Authorization: Bearer $POPNOW_API_KEY" \
-H "Content-Type: application/json" \
-H "Idempotency-Key: $(uuidgen)" \
-d '{
"model": "alibaba/z-image-base-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"
}
}'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
alibaba/z-image-base-lora/edit
Price
| Option | Credits (per image) | US dollars |
|---|---|---|
Default | 2.16 | $0.0216 |
Parameters
| Field | Type | Default | Allowed | What it does |
|---|---|---|---|---|
promptRequired | string | — | up to 5,000 characters | Describe the whole image you want back, not just the change. |
image_urlRequired | string (uri) | — | — | Source image. The result keeps its aspect ratio. |
resolutionOptional | string | 1k | 1k, 1.5k | Length of the output's long side: 1k is 1024 pixels, 1.5k is 1536. The source's aspect ratio is kept. |
strengthOptional | number | 0.7 | 0 to 1 | How far to move away from the source, from 0 to 1. |
lorasOptional | array<object> | [] | up to 3 items | Up to three LoRA weight files trained for Z-Image Base, 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_url. 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": "alibaba/z-image-base-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_url": "https://media.popnow.ai/influencer/examples/marco.webp"
}
}'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"