gpt-image-2 API Docs — OpenAI via dreamtoai

gpt-image-2

ImageOpenAIgpt-image-2gpt-image-2

Open Playground Manage API keys

GPT-Image 2 是 OpenAI 的图像生成与编辑模型，适合文字生成图片、参考图改图、商品图优化、海报素材、创意概念图和营销视觉制作。它适合需要较高画面质量、指令理解和商业可用性的图片生成场景。

Authentication

Base URL: https://api.dreamtoai.com
Authorization: Authorization: Bearer YOUR_API_KEY
Content-Type: application/json
Model name (model): gpt-image-2

Integration protocol

Why choose this protocol

适合已有 OpenAI Images 图片生成接口代码，且希望同步拿到图片结果的用户。

Endpoint URL

POST/v1/images/generations

Authorization: Bearer YOUR_API_KEYContent-Type: application/json

Request / response JSON

Request examples

Using an image URLreference_images[]

{
  "model": "gpt-image-2",
  "prompt": "生成一张产品海报，白色背景，商业摄影风格",
  "size": "2752x1536",
  "response_format": "url",
  "reference_images": [
    "https://example.com/reference.png"
  ]
}

Using Base64reference_images[].mime_type + data_base64

{
  "model": "gpt-image-2",
  "prompt": "生成一张产品海报，白色背景，商业摄影风格",
  "size": "2752x1536",
  "response_format": "url",
  "reference_images": [
    {
      "mime_type": "image/jpeg",
      "data_base64": "BASE64_IMAGE_DATA"
    }
  ]
}

Response example

{
  "created": 1710000000,
  "data": [
    {
      "url": "https://example.com/output.png"
    }
  ]
}

Request / response fields

Request fields

Field	Field type	Required
model	string	Y
prompt	string	Y
size	string	Y
response_format	string	Y
reference_images	array	Y

Response fields

Field	Field type	Required
created	integer	Y
data	array	Y
data[]	object	Y
data[].url	string	Y

Code examples

cURLrequest.sh

curl -X POST "https://api.dreamtoai.com/v1/images/generations" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
  "model": "gpt-image-2",
  "prompt": "生成一张产品海报，白色背景，商业摄影风格",
  "size": "2752x1536",
  "response_format": "url",
  "reference_images": [
    "https://example.com/reference.png"
  ]
}'

# Upload reference cURL
curl -X POST "https://api.dreamtoai.com/v1/files/upload" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -F "kind=image" \
  -F "purpose=reference" \
  -F "[email protected]"