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POST
/
generate
/
image
/
krea
/
krea-2
/
medium-turbo
Krea 2 Medium Turbo
curl --request POST \
  --url https://api.krea.ai/generate/image/krea/krea-2/medium-turbo \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "prompt": "A bustling old-world marketplace, aromas of spices filling the air.",
  "aspect_ratio": "1:1",
  "resolution": "1K"
}
'
import requests

url = "https://api.krea.ai/generate/image/krea/krea-2/medium-turbo"

payload = {
"prompt": "A bustling old-world marketplace, aromas of spices filling the air.",
"aspect_ratio": "1:1",
"resolution": "1K"
}
headers = {
"Authorization": "Bearer <token>",
"Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)
const options = {
method: 'POST',
headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
body: JSON.stringify({
prompt: 'A bustling old-world marketplace, aromas of spices filling the air.',
aspect_ratio: '1:1',
resolution: '1K'
})
};

fetch('https://api.krea.ai/generate/image/krea/krea-2/medium-turbo', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));
<?php

$curl = curl_init();

curl_setopt_array($curl, [
CURLOPT_URL => "https://api.krea.ai/generate/image/krea/krea-2/medium-turbo",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => json_encode([
'prompt' => 'A bustling old-world marketplace, aromas of spices filling the air.',
'aspect_ratio' => '1:1',
'resolution' => '1K'
]),
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>",
"Content-Type: application/json"
],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}
package main

import (
"fmt"
"strings"
"net/http"
"io"
)

func main() {

url := "https://api.krea.ai/generate/image/krea/krea-2/medium-turbo"

payload := strings.NewReader("{\n \"prompt\": \"A bustling old-world marketplace, aromas of spices filling the air.\",\n \"aspect_ratio\": \"1:1\",\n \"resolution\": \"1K\"\n}")

req, _ := http.NewRequest("POST", url, payload)

req.Header.Add("Authorization", "Bearer <token>")
req.Header.Add("Content-Type", "application/json")

res, _ := http.DefaultClient.Do(req)

defer res.Body.Close()
body, _ := io.ReadAll(res.Body)

fmt.Println(string(body))

}
HttpResponse<String> response = Unirest.post("https://api.krea.ai/generate/image/krea/krea-2/medium-turbo")
.header("Authorization", "Bearer <token>")
.header("Content-Type", "application/json")
.body("{\n \"prompt\": \"A bustling old-world marketplace, aromas of spices filling the air.\",\n \"aspect_ratio\": \"1:1\",\n \"resolution\": \"1K\"\n}")
.asString();
require 'uri'
require 'net/http'

url = URI("https://api.krea.ai/generate/image/krea/krea-2/medium-turbo")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"prompt\": \"A bustling old-world marketplace, aromas of spices filling the air.\",\n \"aspect_ratio\": \"1:1\",\n \"resolution\": \"1K\"\n}"

response = http.request(request)
puts response.read_body
{
  "job_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "created_at": "2023-11-07T05:31:56Z",
  "completed_at": null,
  "result": null,
  "error": {
    "code": "<string>",
    "message": "<string>"
  }
}
{
"error": "<string>"
}
{
"error": "<string>"
}
{
"error": "<string>"
}
{
"error": "<string>"
}

Pricing

Fixed API prices in USD.
K2 Billing TierPrice
Text to image$0.015
Style references$0.0175
Moodboards$0.02
These aliases are accepted for compatibility only and are not shown in the request schema.
DeprecatedUse insteadAccepted until
presetStylesstyles2026-06-19
imageStyleRefsimage_style_references2026-06-19

Authorizations

Authorization
string
header
required

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

Headers

X-Webhook-URL
string<uri>

URL to receive a POST request when the job completes. The webhook will receive the job data including results.

X-Api-Zero-Data-Retention
enum<string>

Enable Zero Data Retention for this request. Refer to the documentation.

Available options:
1

Body

application/json
prompt
string
required
aspect_ratio
enum<string>
required

Aspect ratio. One of: 1:1, 4:3, 3:2, 16:9, 2.35:1, 4:5, 2:3, 9:16.

Available options:
1:1,
4:3,
3:2,
16:9,
2.35:1,
4:5,
2:3,
9:16
resolution
enum<string>
required

Resolution scale. One of: 1K.

Available options:
1K
seed
number | null
styles
object[]

Styles (typically LoRAs) to use for the generation

image_style_references
object[]

Image style references. (0 = no style influence, 1 = maximum). Default 0.5.

Maximum array length: 10
creativity
enum<string>
default:low

Prompt expansion mode. raw disables prompt expansion; low, medium, and high control expansion strength. This does not affect the K2 Intensity, Complexity, or Movement slider LoRAs.

Available options:
raw,
low,
medium,
high
intensity
integer
default:0

K2 Intensity slider value from -100 to 100. Use 0 for neutral/no slider LoRA.

Required range: -100 <= x <= 100
complexity
integer
default:0

K2 Complexity slider value from -100 to 100. Use 0 for neutral/no slider LoRA.

Required range: -100 <= x <= 100
movement
integer
default:0

K2 Movement slider value from -100 to 100. Use 0 for neutral/no slider LoRA.

Required range: -100 <= x <= 100
moodboards
object[]

Moodboards to use for generation. Currently limited to one moodboard.

Maximum array length: 1

Response

The resulting job data. This will be returned in a pending state until the job is completed. See /jobs/{id} for retrieving the results.

job_id
string<uuid>
required
Pattern: ^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$
status
enum<string>
required
Available options:
backlogged,
queued,
scheduled,
processing,
sampling,
intermediate-complete,
completed,
failed,
cancelled
created_at
string<date-time>
required
Pattern: ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d(?::[0-5]\d(?:\.\d+)?)?(?:Z))$
completed_at
null
required
result
null
required
error
object