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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": "gpt-image-2",
    "prompt": "Generate a futuristic city night poster with neon lighting and cinematic composition",
    "n": 1,
    "size": "1:1",
    "resolution": "1k",
    "response_format": "url"
  }'

{
  "id": "task_img_abc123def456",
  "object": "generation.task",
  "model": "gpt-image-2",
  "status": "queued",
  "progress": 0,
  "created_at": 1703884800,
  "metadata": {}
}
  • Unified image generation API
  • Select the gpt-image-2 model via the model parameter
  • Supports text-to-image, single-reference, and multi-reference image generation
  • Async task management with task ID based result lookup
Important Change: For better performance and cost control, base64 image data is no longer supported in image_urls or reference_images. Please use the Upload 画像API first to upload images and obtain a URL.

​
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:"gpt-image-2"
必須
Image generation model nameExample: "gpt-image-2"
​
prompt
string
必須
Text prompt for image generationMaximum 32,000 characters for GPT image models
​
size
string
デフォルト:"1:1"
Output image aspect ratioCurrently supported ratios:1:1, 3:2, 2:3, 4:3, 3:4, 5:4, 4:5, 16:9, 9:16, 2:1, 1:2, 21:9, 9:21
​
resolution
string
デフォルト:"1k"
Output resolution tierSupported values: 1k, 2k, 4k

​
Size Reference

size1k2k4k
1:11024x10242048x20482880x2880
3:21536x10242048x13603520x2336
2:31024x15361360x20482336x3520
4:31024x7682048x15363312x2480
3:4768x10241536x20482480x3312
5:41280x10242560x20483216x2576
4:51024x12802048x25602576x3216
16:91536x8642048x11523840x2160
9:16864x15361152x20482160x3840
2:12048x10242688x13443840x1920
1:21024x20481344x26881920x3840
21:92016x8642688x11523840x1648
9:21864x20161152x26881648x3840
​
n
integer
デフォルト:1
Number of images to generateDefault: 1
​
response_format
string
デフォルト:"url"
レスポンス formatThe API returns image URLs, so url is the recommended value
​
reference_images
string[]
Reference image URLs for image-to-image generation⚠️ URL format only (base64 no longer supported)
  • Publicly accessible URLs (http:// or https://)
  • You can use the Upload 画像API to upload local files and get URLs
  • Supports single-image and multi-image reference
​
image_urls
string[]
Backward-compatible reference image fieldToAPIs automatically normalizes it to reference_images

​
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
  • in_progress
  • completed
  • failed
​
progress
integer
Task progress percentage (0-100)
​
created_at
integer
Task creation timestamp (Unix timestamp)
curl --request POST \
  --url https://toapis.com/v1/images/generations \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
    "model": "gpt-image-2",
    "prompt": "Generate a futuristic city night poster with neon lighting and cinematic composition",
    "n": 1,
    "size": "1:1",
    "resolution": "1k",
    "response_format": "url"
  }'

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