Flux · Image

Text to ImageNEWTemporarily Offline

⏸ This model is temporarily offline. The docs are for reference only and calls are unavailable. Watch announcements for restoration.

📌 What is this：Generate images from text with FLUX Kontext models.

💡 When to use：Use for high-quality FLUX-style image generation.

Endpoints

Usage	Method	Path
Submit task	POST	/api/cqt/generator/flux
Query Result	GET	/api/cqt/info/flux?id={taskId}

⏱ Recommended polling interval：Poll every 5s until status = succeeded / failed.

Request Parameters

Param	Type	Required	Description
model	string	Required	flux-kontext-pro / flux-kontext-max
prompt	string	Required	Image description
aspectRatio	string	—	Output ratio: 1:1 / 9:16 / 16:9 / 4:3 / 3:4 / 21:9 / 3:2 / 2:3
outputFormat	string	—	Output format jpeg / png, default jpeg
safetyTolerance	integer	—	Safety tolerance, default 2
enhancePrompt	boolean	—	Whether to enhance the prompt, default true
webhookUrl	string	—	Completion webhook URL

Request Example

curl -X POST https://api.cqtai.com/api/cqt/generator/flux \
  -H 'Authorization: Bearer <API_KEY>' \
  -H 'Content-Type: application/json' \
  -d '{
    "model": "flux-kontext-pro",
    "prompt": "a futuristic city skyline at sunset, cinematic",
    "aspectRatio": "16:9",
    "outputFormat": "png"
  }'
# -> { "code":200, "data":"<taskId>" }

Response Example

{
  "code": 200,
  "msg": "success",
  "data": {
    "id": "<taskId>",
    "status": "succeeded",
    "resultUrl": "https://.../result.png",
    "createTime": "2026-06-15 10:00:00",
    "completeTime": "2026-06-15 10:00:20"
  }
}

Billing & Credits

flux-kontext-pro: 12 credits per image; flux-kontext-max: 24 credits per image (x your user rate). Auto-refunded on failure.