About Krea 3
Krea's newest model, with a step that plans the picture first.
Call it with the model name krea/3/text-to-image on POST /jobs/createTask, from 6 credits per image ($0.06).
Introduction
Krea 3 Text to image draws one image from a plain-language prompt on Krea 3, the in-house image model Krea built first for instruction-following edits.
Choose a mode by starting material
| What you have | Mode |
|---|---|
| a written description | Krea 3 Text to image |
| one to eight photos to change or combine | Krea 3 Image editing |
Key features
Film-photograph realism
In our tests Krea 3 rendered skin, fabric and late light like a scanned film negative: grain, halation and believable colour casts came through from a short style line at the end of the prompt.
Fashion-level content only
Requests are screened before drawing.
Request parameters
| Parameter | Required | Description |
|---|---|---|
seed | No | Reuse the same number to get a repeatable result. ≥ 0 · ≤ 2147483647 |
prompt | Yes | Describe the image in plain sentences. |
quality | No | Trades speed and price for finer detail. high · fast · Default: high |
aspect_ratio | No | The shape of the frame: wide, square or tall. 1:1 · 4:5 · 3:4 · 2:3 · 9:16 · 5:4 · 4:3 · 3:2 · 16:9 · 21:9 · Default: 1:1 |
output_format | No | File type of the result. png · jpeg · Default: png |
enable_thinking | No | Spend longer planning the prompt before drawing. Same price. Default: false |
negative_prompt | No | Things you don't want to see. |
Pricing
Prices are in credits, the same credits you use on the website (1 credit = $0.01). The hold is taken when the task is accepted and settled to the actual charge when it finishes; failed tasks are refunded.
| Option | Credits per image | ≈ USD |
|---|---|---|
| Standard | 5.4 | $0.054 |
Each task is rounded up to whole credits, so one run at the lowest tier costs 6 credits per image ($0.06).
For an exact number before you run, send the same body to POST /jobs/quote.
Use cases
Editorial and lookbook stills
Period fashion, interiors and portraits with a photographic finish, ready for a moodboard or a campaign draft.
Prompt guide & pro tips
Write it like a shot list
Who, what they wear, where they are, the light, then one line of film and colour grade. Krea 3 reads full sentences well.
Draft fast, finish high
Use the fast variant to find the framing, then switch to high quality for the keeper. Reusing a seed brings you close to the same image but is not guaranteed to match exactly.
Keep a negative prompt short
negative_prompt only applies to the high-quality variant. A few words such as "text, watermark" are enough.
API quick start
Call the Krea 3 API in three steps
- Create an API key. Sign in to PopNow and create a key in the API console. Keys start with sk-popnow- and use the same credits as the website.
- Send the request. POST /jobs/createTask with model krea/3/text-to-image and an input object that follows the parameter table. The response returns a task ID straight away.
- Get the result. Poll GET /jobs/recordInfo with the task ID, or pass a callBackUrl and we post the result to it. Download the output links when the task succeeds.
# 1. Create the task. Keep the Idempotency-Key if you retry after a network error.
export IDEMPOTENCY_KEY="$(uuidgen)"
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: $IDEMPOTENCY_KEY" \
-d '{
"model": "krea/3/text-to-image",
"input": {
"prompt": "A ceramic teapot on a linen cloth, soft window light, muted palette",
"aspect_ratio": "1:1",
"quality": "high",
"output_format": "png"
}
}'
# 2. Copy data.taskId from the response, then poll until state is succeeded, failed, canceled or expired.
TASK_ID="TASK_ID_FROM_RESPONSE"
curl "https://api.popnow.ai/api/v1/jobs/recordInfo?taskId=$TASK_ID" \
-H "Authorization: Bearer $POPNOW_API_KEY"Replace the prompt and any links with your own. The API tab has the response, polling and callback reference.
Krea 3 API questions
How much does the Krea 3 API cost?
Krea 3 starts at 6 credits ($0.06) per image with Create Image, its cheapest task. Credits are the same as on the website (1 credit = $0.01), and failed tasks are refunded.
What is the model name for Krea 3 in the API?
Put krea/3/text-to-image for Create Image; krea/3/edit for Edit Image in the model field of POST /jobs/createTask.
Does the edit keep my photo's shape?
No. Pick the aspect ratio for the result; match the ratio to your main photo if you want the same framing.
Is the seed reproducible?
It gets you close but not always identical, because the model expands the prompt before drawing.
What are the limits of the Krea 3 API?
Aspect ratios: 1:1 · 4:5 · 3:4 · 2:3 · 9:16 · 5:4 +4; Prompt length (characters): 5,000. Requests outside these limits are rejected before anything is charged.
Can I try Krea 3 without writing code?
Yes. The Playground runs Krea 3 on your PopNow credits, needs no API key, and shows the matching code for every run.
All Krea models
- Krea 3 APIKrea's newest model, with a step that plans the picture firstFrom 6 credits per image
- Krea 2 Turbo LoRA APIKrea 2 Turbo images and restyles with your own LoRAsFrom 4 credits per image
- Krea 2 Large APIKrea's most detailed tier for cinematic key framesFrom 9 credits per image
- Krea 2 Medium APIEveryday Krea images for steady volume workFrom 5 credits per image
- Krea 2 Medium Turbo APIQuick Krea frames guided by up to ten style referencesFrom 3 credits per image
More about Krea 3
- Endpoints
- Krea 3 · Edit Image