krea-v2-medium-turbo/text-to-image
krea-v2-medium-turbo/text-to-image
Krea 2 Medium Turbo Text to Image is a fast AI image generation model that creates high-quality images from text prompts with aspect ratio, creativity, and optional style reference controls. Ready-to-use REST inference API for rapid creative design, marketing visuals, product mockups, brand assets, social media content, concept art, and professional text-to-image workflows with simple integration, no coldstarts, and affordable pricing.
Examples
Parameters
| Name | Type | Default | Constraints | Description |
|---|---|---|---|---|
| prompt *Prompt | textarea | — | ≤ 5000 chars | Text description of the image to generate. |
| aspect_ratioAspect Ratio | select | 1:1 | 1:1 | 4:3 | 3:2 | 16:9 | 2.35:1 | 4:5 | 2:3 | 9:16 | Aspect ratio of the generated image. |
| creativityCreativity | select | medium | raw | low | medium | high | Controls how loosely the model interprets the prompt. |
| referenceReference | array<object> | [] | 0–10 items | Optional reference images that guide the style of the generated image. |
| ↳image *Image | text | — | — | Reference image URL. |
| ↳strengthStrength | slider | 1 | -2 ~ 2 · step 0.1 | How strongly the reference image influences the generated image. |
Output fields
| Field | Type | Description |
|---|---|---|
| images | array<string> | Generated images URLs. |
API
Call this model through one unified REST API. Get a key on the API Keys page.
cURL
# 1) Submit — returns { "task_uuid": "..." }
curl -X POST "https://www.namifusion.com/api/v1/marketplace/run/krea-v2-medium-turbo/text-to-image" \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"input": {
"prompt": "A premium skincare product hero shot on a soft beige background, featuring a frosted glass serum bottle with gold accents, surrounded by subtle botanical elements and gentle shadows, studio lighting, clean luxury branding aesthetic, ultra-detailed, photorealistic",
"aspect_ratio": "1:1",
"creativity": "medium",
"reference": []
}
}'
# 2) Poll until status is "completed", then read the output URLs
curl "https://www.namifusion.com/api/v1/marketplace/run/tasks/TASK_UUID" \
-H "Authorization: Bearer YOUR_API_KEY"Python
import time, requests
API_KEY = "YOUR_API_KEY"
HEADERS = {"Authorization": f"Bearer {API_KEY}"}
# 1) Submit
resp = requests.post(
"https://www.namifusion.com/api/v1/marketplace/run/krea-v2-medium-turbo/text-to-image",
headers=HEADERS,
json={
"input": {
"prompt": "A premium skincare product hero shot on a soft beige background, featuring a frosted glass serum bottle with gold accents, surrounded by subtle botanical elements and gentle shadows, studio lighting, clean luxury branding aesthetic, ultra-detailed, photorealistic",
"aspect_ratio": "1:1",
"creativity": "medium",
"reference": []
}
},
)
resp.raise_for_status() # 401/402/429/5xx stop here instead of polling a bad task
task = resp.json()
# 2) Poll until a terminal state (completed / failed / cancelled).
# This model is allowed up to 300s server-side.
deadline = time.time() + 360
while task.get("status") not in ("completed", "failed", "cancelled"):
if time.time() > deadline:
raise TimeoutError(f"still {task.get('status')} — keep the task_uuid and poll later")
time.sleep(3)
poll = requests.get(f"https://www.namifusion.com/api/v1/marketplace/run/tasks/{task['task_uuid']}", headers=HEADERS)
poll.raise_for_status()
task = poll.json()
print(task["status"], task.get("output"))JavaScript
const API_KEY = "YOUR_API_KEY";
const HEADERS = { Authorization: `Bearer ${API_KEY}` };
// 1) Submit
const resp = await fetch("https://www.namifusion.com/api/v1/marketplace/run/krea-v2-medium-turbo/text-to-image", {
method: "POST",
headers: { ...HEADERS, "Content-Type": "application/json" },
body: JSON.stringify({
"input": {
"prompt": "A premium skincare product hero shot on a soft beige background, featuring a frosted glass serum bottle with gold accents, surrounded by subtle botanical elements and gentle shadows, studio lighting, clean luxury branding aesthetic, ultra-detailed, photorealistic",
"aspect_ratio": "1:1",
"creativity": "medium",
"reference": []
}
}),
});
if (!resp.ok) throw new Error(`submit failed: ${resp.status} ${await resp.text()}`);
let task = await resp.json();
// 2) Poll until a terminal state (completed / failed / cancelled).
// This model is allowed up to 300s server-side.
const deadline = Date.now() + 360 * 1000;
while (!["completed", "failed", "cancelled"].includes(task.status)) {
if (Date.now() > deadline) throw new Error(`still ${task.status} — keep the task_uuid and poll later`);
await new Promise((r) => setTimeout(r, 3000));
const poll = await fetch(`https://www.namifusion.com/api/v1/marketplace/run/tasks/${task.task_uuid}`, { headers: HEADERS });
if (!poll.ok) throw new Error(`poll failed: ${poll.status}`);
task = await poll.json();
}
console.log(task.status, task.output);Documentation
krea-v2-medium-turbo/text-to-image
Generate one image from a text prompt. Aspect ratio defaults to 1:1. Creativity: raw, low, medium (default), high. Optional reference accepts 0–10 objects with an image URL and strength from -2 to 2 (default 1). Reference images add a flat fee per request, regardless of their count.
Pricing
| Reference images | USD / request | Credits / request |
|---|---|---|
| 0 | $0.015 | 1.5 |
| 1–10 | $0.0175 | 1.75 |
WaveSpeed standard list price; USD 1 = 100 credits. Any account-specific discounts are applied separately.
API
curl -X POST 'https://www.namifusion.com/api/v1/marketplace/run/krea-v2-medium-turbo/text-to-image' \
-H "Authorization: Bearer $API_KEY" \
-H 'Content-Type: application/json' \
-d '{
"input": {
"prompt": "A premium skincare product hero shot on a soft beige background, featuring a frosted glass serum bottle with gold accents, surrounded by subtle botanical elements and gentle shadows, studio lighting, clean luxury branding aesthetic, ultra-detailed, photorealistic",
"aspect_ratio": "1:1",
"creativity": "medium"
}
}'
curl 'https://www.namifusion.com/api/v1/marketplace/run/tasks/TASK_UUID' \
-H "Authorization: Bearer $API_KEY"
The submit response contains task_uuid. Poll until completed or failed. Completed output uses output.images (URL array).
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