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Google Gemini改图

POST

https://api.allmhub.com/v1beta/models/gemini-3-pro-image-preview:generateContent

nano-banana模型建议优先使用英文提示词，成功率更高。
官方文档地址：https://ai.google.dev/gemini-api/docs/image-generation?hl=zh-cn

请求参数

Authorization

在 Header 添加参数

Authorization

，其值为在 Bearer 之后拼接 Token

示例：

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

Header 参数

Body 参数application/json

示例

{
    "contents": [
        {
            "parts": [
                {
                    "text": "'A yellow kitten is playing with flowers and plants'"
                },
                {
                    "inline_data": {
                        "mime_type": "image/jpeg",
                        "data": "$IMG_BASE64"
                    }
                }
            ]
        }
    ]
}

请求示例代码

Shell

JavaScript

Java

Swift

PHP

Python

HTTP

Objective-C

Ruby

OCaml

Dart

curl --location --request POST 'https://api.allmhub.com/v1beta/models/gemini-3-pro-image-preview:generateContent' \
--header 'x-goog-api-key: {{key}}' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data-raw '{
    "contents": [
        {
            "parts": [
                {
                    "text": "'\''A yellow kitten is playing with flowers and plants'\''"
                },
                {
                    "inline_data": {
                        "mime_type": "image/jpeg",
                        "data": "$IMG_BASE64"
                    }
                }
            ]
        }
    ]
}'

返回响应

🟢200成功

application/json

Body

示例

{
    "candidates": [
        {
            "content": {
                "parts": [
                    {
                        "inlineData": {
                            "mimeType": "image/jpeg",
                            "data": "{base64_data}"
                        }
                    }
                ],
                "role": "model"
            },
            "finishReason": "STOP",
            "index": 0
        }
    ],
    "usageMetadata": {
        "promptTokenCount": 54,
        "candidatesTokenCount": 1230,
        "totalTokenCount": 1456,
        "promptTokensDetails": [
            {
                "modality": "TEXT",
                "tokenCount": 54
            }
        ],
        "candidatesTokensDetails": [
            {
                "modality": "IMAGE",
                "tokenCount": 1120
            }
        ],
        "thoughtsTokenCount": 172
    },
    "modelVersion": "gemini-3-pro-image-preview",
    "responseId": "EfEqaf-7E4uwjMcPq4qk-AY"
}

Google Gemini生图

Google Gemini生图流式