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POST
/
v1
/
images
/
generations
curl --request POST \
  --url https://toapis.com/v1/images/generations \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
    "model": "flux-2-flex",
    "prompt": "A cute orange cat sunbathing on a windowsill",
    "size": "1:1",
    "metadata": {
      "resolution": "1K"
    }
  }'

{
  "id": "task_img_abc123def456",
  "object": "generation.task",
  "model": "flux-2-flex",
  "status": "queued",
  "progress": 0,
  "created_at": 1703884800,
  "metadata": {}
}
  • Flux 2.0 image generation model
  • Choose flux-2-flex (faster, for quick iteration) or flux-2-pro (higher quality, better details) via the model parameter
  • Supports text-to-image and image-to-image, up to 8 reference images
  • Billed by resolution (1K/2K)
  • Async task mode, returns task_id for querying results
Important Change: For better performance and cost control, we no longer support passing base64 image data directly in image_urls. Please use the Upload 이미지 API first to upload images and get URLs, then call this endpoint.

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Authorization

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Authorization
string
필수
All endpoints require Bearer Token authenticationGet your API Key: Visit the API Key Management Page to get your API KeyAdd to request header:
Authorization: Bearer YOUR_API_KEY

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요청 파라미터

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model
string
필수
Image generation model nameOptions:
  • flux-2-flex - Faster, suitable for quick iteration
  • flux-2-pro - Higher quality, better details
​
prompt
string
필수
Text description for image generation
​
size
string
기본값:"1:1"
Image aspect ratioSupported aspect ratios:
  • 1:1 - Square (default)
  • 4:3 / 3:4 - Traditional display ratio
  • 16:9 / 9:16 - Widescreen/portrait
  • 3:2 / 2:3 - Standard photo
​
image_urls
string[]
Reference image URL array for image-to-image⚠️ URL format only (base64 not supported)
  • Publicly accessible image URL (http:// or https://)
  • Use the Upload 이미지 API to upload local images and get URLs
Limits:
  • Maximum 8 reference images
​
metadata
object
Metadata parameters for additional configuration options

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응답

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id
string
Unique task identifier for querying task status
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object
string
Object type, fixed as generation.task
​
model
string
모델 name used for generation
​
status
string
Task status
  • queued - Waiting to be processed
  • in_progress - Processing
  • completed - Successfully completed
  • failed - Failed
​
progress
integer
Task progress percentage (0-100)
​
created_at
integer
Task creation timestamp (Unix timestamp)
​
metadata
object
Task metadata

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Use Cases

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Case 1: Text-to-Image (Quick Iteration)

{
  "model": "flux-2-flex",
  "prompt": "A cute orange cat sunbathing on a windowsill",
  "size": "1:1",
  "metadata": {
    "resolution": "1K"
  }
}

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Case 2: Text-to-Image (High Quality Output)

{
  "model": "flux-2-pro",
  "prompt": "Future city skyline, neon lights, cyberpunk style, cinematic quality",
  "size": "16:9",
  "metadata": {
    "resolution": "2K"
  }
}

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Case 3: Image-to-Image (Multiple Reference Images)

{
  "model": "flux-2-pro",
  "prompt": "Keep character style, generate a scene of running in the forest",
  "size": "1:1",
  "image_urls": [
    "https://example.com/ref1.jpg",
    "https://example.com/ref2.jpg"
  ],
  "metadata": {
    "resolution": "2K"
  }
}

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Case 4: Portrait Poster

{
  "model": "flux-2-flex",
  "prompt": "Concert poster, minimalist style, dark background",
  "size": "9:16",
  "metadata": {
    "resolution": "1K"
  }
}
Query Task ResultsImage generation is an async task. After submission, a task ID is returned. Use the Get Image Task 상태 endpoint to query generation progress and results.
curl --request POST \
  --url https://toapis.com/v1/images/generations \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
    "model": "flux-2-flex",
    "prompt": "A cute orange cat sunbathing on a windowsill",
    "size": "1:1",
    "metadata": {
      "resolution": "1K"
    }
  }'

{
  "id": "task_img_abc123def456",
  "object": "generation.task",
  "model": "flux-2-flex",
  "status": "queued",
  "progress": 0,
  "created_at": 1703884800,
  "metadata": {}
}