图片编辑（Nano-banana 支持比例）

POST

/v1beta/models/{model}:generateContent

官方文档：https://ai.google.dev/gemini-api/docs/image-generation?hl=zh-cn#optional_configurations

请求参数

Path 参数

Header 参数

Body 参数application/json

示例

{
    "contents": [
        {
            "role": "user",
            "parts": [
                {
                    "inlineData": {
                        "mimeType": "image/png",
                        "data": "图片的base64数据，目前只支持base64"
                    }
                },
                {
                    "text": "将车的颜色变为黑色，天空的颜色变为白色"
                }
            ]
        }
    ],
    "generationConfig": {
        "responseModalities": [
            "IMAGE"
        ],
        "imageConfig": {
            "aspectRatio": "16:9",
            "imageSize": "2K"
        }
    }
}

请求示例代码

Shell

JavaScript

Java

Swift

PHP

Python

HTTP

Objective-C

Ruby

OCaml

Dart

curl --location --request POST 'https://147ai.com/v1beta/models/gemini-2.5-flash-image-preview:generateContent' \
--header 'Authorization: sk-' \
--header 'Content-Type: application/json' \
--data-raw '{
    "contents": [
        {
            "role": "user",
            "parts": [
                {
                    "inlineData": {
                        "mimeType": "image/png",
                        "data": "图片的base64数据，目前只支持base64"
                    }
                },
                {
                    "text": "将车的颜色变为黑色，天空的颜色变为白色"
                }
            ]
        }
    ],
    "generationConfig": {
        "responseModalities": [
            "IMAGE"
        ],
        "imageConfig": {
            "aspectRatio": "16:9",
            "imageSize": "2K"
        }
    }
}'

返回响应

🟢200成功

application/json

Body

示例

{
    "candidates": [
        {
            "content": {
                "parts": [
                    {
                        "inlineData": {
                            "mimeType": "image/png",
                            "data": "base64图片数据"
                        }
                    }
                ],
                "role": "model"
            },
            "finishReason": "STOP",
            "index": 0
        }
    ],
    "usageMetadata": {
        "promptTokenCount": 3,
        "candidatesTokenCount": 1290,
        "totalTokenCount": 1293,
        "promptTokensDetails": [
            {
                "modality": "TEXT",
                "tokenCount": 3
            }
        ],
        "candidatesTokensDetails": [
            {
                "modality": "IMAGE",
                "tokenCount": 1290
            }
        ]
    },
    "modelVersion": "gemini-2.5-flash-image",
    "responseId": "WinnaJeyMqW5mtkP9N2i6QQ"
}

修改于 2026-03-11 03:42:32

图片理解

doubao-seedream-4-0-250828-文生图