Gemini 图片(Nano Banana)

POST

/v1beta/models/{model}:generateContent

Gemini 图片生成

请求参数

Authorization

Bearer Token

在 Header 添加参数

Authorization

，其值为在 Bearer 之后拼接 Token

示例：

Authorization: Bearer ********************

Path 参数

Header 参数

Body 参数application/json

示例

{
    "contents": [
        {
            "role": "user",
            "parts": [
                {
                    "text": "draw a cat"
                }
            ]
        }
    ],
    "generationConfig": {
        "responseModalities": [
            "TEXT",
            "IMAGE"
        ],
        "imageConfig": {
            "aspectRatio": "16:9",
            "imageSize": "4K"
        }
    }
}

请求示例代码

Shell

JavaScript

Java

Swift

PHP

Python

HTTP

Objective-C

Ruby

OCaml

Dart

curl --location --request POST '/v1beta/models/gemini-3-pro-image-preview:generateContent' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data-raw '{
    "contents": [
        {
            "role": "user",
            "parts": [
                {
                    "text": "draw a cat"
                }
            ]
        }
    ],
    "generationConfig": {
        "responseModalities": [
            "TEXT",
            "IMAGE"
        ],
        "imageConfig": {
            "aspectRatio": "16:9",
            "imageSize": "4K"
        }
    }
}'

返回响应

🟢200

application/json

成功

Body

示例

{
    "candidates": [
        {
            "content": {
                "role": "string",
                "parts": [
                    {}
                ]
            },
            "finishReason": "string",
            "safetyRatings": [
                {}
            ]
        }
    ],
    "usageMetadata": {
        "promptTokenCount": 0,
        "candidatesTokenCount": 0,
        "totalTokenCount": 0
    }
}

修改于 2026-02-28 14:56:00

Claude 聊天

Gemini 嵌入(Embeddings)