图片编辑（Nano-banana） base64格式

POST

/v1/chat/completions

访问地址：https://koalaapi.com，OpenAI 兼容接口在末尾加 /v1。

模型与官方文档

示例模型：gemini-2.5-flash-image

本站在架模型（图像）：gemini-3.1-flash-image-preview、gemini-3-pro-image-preview、gemini-nano-banana-2.1、gemini-2.5-flash-image 等

厂商官网：Google Gemini 模型文档

说明：模型名称需与【模型广场】完全一致；不同令牌分组可用的模型不同，以控制台展示为准。

请求参数

Header 参数

Body 参数application/json必填

示例

{
    "model": "gemini-2.5-flash-image",
    "stream": false,
    "messages": [
        {
            "role": "user",
            "content": [
                {
                    "type": "text",
                    "text": "add a dog"
                },
                {
                    "type": "image_url",
                    "image_url": {
                        "url": "data:image/jpeg;base64,/9j/4AAQSkZJRgABAQAAAQABAAD/4gHYSUNDX1BST0ZJTEUAAQEAAAHIAAAAAAQwA......"
                    }
                }
            ]
        }
    ]
}

请求示例代码

Shell

JavaScript

Java

Swift

PHP

Python

HTTP

Objective-C

Ruby

OCaml

Dart

curl --location '/v1/chat/completions' \
--header 'Accept: application/json' \
--header 'Authorization: sk-' \
--header 'Content-Type: application/json' \
--data '{
    "model": "gemini-2.5-flash-image",
    "stream": false,
    "messages": [
        {
            "role": "user",
            "content": [
                {
                    "type": "text",
                    "text": "add a dog"
                },
                {
                    "type": "image_url",
                    "image_url": {
                        "url": "data:image/jpeg;base64,/9j/4AAQSkZJRgABAQAAAQABAAD/4gHYSUNDX1BST0ZJTEUAAQEAAAHIAAAAAAQwA......"
                    }
                }
            ]
        }
    ]
}'

返回响应

🟢200成功

application/json

Bodyapplication/json

示例

{
    "id": "chatcmpl-123",
    "object": "chat.completion",
    "created": 1677652288,
    "model": "gpt-6.1-sol",
    "choices": [
        {
            "index": 0,
            "message": {
                "role": "assistant",
                "content": "string",
                "reasoning_content": "string",
                "tool_calls": [
                    {
                        "id": "string",
                        "type": "function",
                        "function": {
                            "name": "string",
                            "arguments": "string"
                        }
                    }
                ],
                "refusal": "string"
            },
            "finish_reason": "stop",
            "logprobs": {}
        }
    ],
    "usage": {
        "prompt_tokens": 0,
        "completion_tokens": 0,
        "total_tokens": 0,
        "prompt_tokens_details": {
            "cached_tokens": 0,
            "audio_tokens": 0
        },
        "completion_tokens_details": {
            "reasoning_tokens": 0,
            "audio_tokens": 0,
            "text_tokens": 0
        }
    },
    "system_fingerprint": "string",
    "service_tier": "string"
}

修改于 2026-11-06 09:34:45

图片编辑（Nano-banana）

文本生成

图片编辑（Nano-banana） base64格式

模型与官方文档#

请求参数

请求示例代码

返回响应

模型与官方文档