Krea 3 API reference
Krea's newest model, with a step that plans the picture first
Call Krea 3 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
- Krea
- Output
- Image
- From
- 36 credits per image ($0.036)
- Model IDs
1 credit = $0.001. 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
krea/3/text-to-image
Price
| Option | Credits (per image) | US dollars |
|---|---|---|
Default | 36 | $0.036 |
Parameters
| Field | Type | Default | Allowed | What it does |
|---|---|---|---|---|
promptRequired | string | — | up to 5,000 characters | Describe the image in plain sentences. |
aspect_ratioOptional | string | 1:1 | 1:1, 4:5, 3:4, 2:3, 9:16, 5:4, 4:3, 3:2, 16:9, 21:9 | Output aspect ratio. |
qualityOptional | string | high | high, fast | High favours image quality; fast returns sooner. Same price. |
enable_thinkingOptional | boolean | false | — | Spend longer planning the prompt before drawing. Same price. |
negative_promptOptional | string | — | up to 1,024 characters | What to keep out of the image. Used by the high-quality variant only. |
output_formatOptional | string | png | png, jpeg | File format of the result. |
seedOptional | integer | — | 0 to 2147483647 | Random seed. Reusing one does not guarantee an identical image. |
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": "krea/3/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
krea/3/edit
Price
| Option | Credits (per image) | US dollars |
|---|---|---|
Default | 72 | $0.072 |
Parameters
| Field | Type | Default | Allowed | What it does |
|---|---|---|---|---|
promptRequired | string | — | up to 5,000 characters | Say what to change and what stays the same. Refer to sources as image 1, image 2 and so on. |
image_urlsRequired | array<string (uri)> | — | up to 8 items | One to eight source images, in the order your prompt refers to them. Each one adds to the price. |
aspect_ratioOptional | string | 1:1 | 1:1, 4:5, 3:4, 2:3, 9:16, 5:4, 4:3, 3:2, 16:9, 21:9 | Output aspect ratio. |
qualityOptional | string | high | high, fast | High favours image quality; fast returns sooner. Same price. |
enable_thinkingOptional | boolean | false | — | Spend longer planning the prompt before drawing. Same price. |
negative_promptOptional | string | — | up to 1,024 characters | What to keep out of the image. Used by the high-quality variant only. |
output_formatOptional | string | png | png, jpeg | File format of the result. |
seedOptional | integer | — | 0 to 2147483647 | Random seed. Reusing one does not guarantee an identical image. |
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" \
-H "Authorization: Bearer $POPNOW_API_KEY" \
-H "Content-Type: application/json" \
-H "Idempotency-Key: $(uuidgen)" \
-d '{
"model": "krea/3/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"
]
}
}'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"