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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": "gemini-2.5-flash-image-preview",
    "prompt": "A cat in a spacesuit walking on the moon",
    "size": "1:1",
    "n": 1
  }'

{
  "id": "task_img_abc123def456",
  "object": "generation.task",
  "model": "gemini-2.5-flash-image-preview",
  "status": "queued",
  "progress": 0,
  "created_at": 1703884800,
  "metadata": {}
}
  • Google Gemini 2.5 Flash efficient image generation model (Nano banana)
  • Use model parameter to select gemini-2.5-flash-image-preview model
  • Supports text-to-image generation
  • Async task management, query results by task ID
Important Change: For better performance and cost control, we no longer support passing base64 image data directly in image_urls. Please use the Upload 画像API first to upload images and get URLs, then call this endpoint.

​
Authorizations

​
Authorization
string
必須
All endpoints require Bearer Token authenticationGet your API Key from the API Key Management PageAdd to request header:
Authorization: Bearer YOUR_API_KEY

​
Body

​
model
string
デフォルト:"gemini-2.5-flash-image-preview"
必須
Image generation model nameモデル alias: nano-bananaExample: "gemini-2.5-flash-image-preview"
​
prompt
string
必須
Text description for image generationMaximum 1000 characters
​
size
string
Image size ratioSupported formats:
Value説明Pixels (Reference)
1:1Square1024x1024
16:9Landscape wide1792x1024
9:16Portrait tall1024x1792
4:3Landscape standard1365x1024
3:4Portrait standard1024x1365
3:2Landscape photo1536x1024
2:3Portrait photo1024x1536
​
n
integer
デフォルト:1
Number of images to generateFixed at 1⚠️ Note: Must be a pure number (e.g. 1), do not add quotes, otherwise it will error
​
image_urls
object[]
List of reference image URLs for image-to-image or image editingLimit: Maximum 14 images
​
metadata
object
Metadata parameters for passing additional configuration options

​
レスポンス

​
id
string
Unique task identifier for status queries
​
object
string
Object type, always generation.task
​
model
string
モデル name used
​
status
string
Task status
  • queued - Queued for processing
  • 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
curl --request POST \
  --url https://toapis.com/v1/images/generations \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
    "model": "gemini-2.5-flash-image-preview",
    "prompt": "A cat in a spacesuit walking on the moon",
    "size": "1:1",
    "n": 1
  }'

{
  "id": "task_img_abc123def456",
  "object": "generation.task",
  "model": "gemini-2.5-flash-image-preview",
  "status": "queued",
  "progress": 0,
  "created_at": 1703884800,
  "metadata": {}
}