# Messages(识图)

**方法**: `POST`
**路径**: `/v1/messages`

## 请求参数

### Header 参数

```text
Authorization
string
可选
默认值:
Bearer {{YOUR_API_KEY}}
```

### Body 参数 application/json

```text
object
示例
{
"model"
:
"claude-3-5-sonnet-20240620"
,
"max_tokens"
:
1024
,
"messages"
:
[
{
"role"
:
"user"
,
"content"
:
[
{
"type"
:
"image"
,
"source"
:
{
"type"
:
"base64"
,
"media_type"
:
"image/jpeg"
,
"data"
:
"/9j/4AAQSkZJRg..."
// base64 data; 仅支持 base64 传递图片
}
}
,
{
"type"
:
"text"
,
"text"
:
"What is in this image?"
}
]
}
]
}
```

## 请求示例代码

### Shell

```bash
curl --location --request POST '/v1/messages' \
--header 'Authorization: Bearer {{YOUR_API_KEY}}' \
--header 'Content-Type: application/json' \
--data-raw '{
  "model": "claude-3-5-sonnet-20240620",
  "max_tokens": 1024,
  "messages": [
    {
      "role": "user",
      "content": [
        {
          "type": "image",
          "source": {
            "type": "base64",
            "media_type": "image/jpeg",
            "data": "/9j/4AAQSkZJRg..." // base64 data; 仅支持 base64 传递图片
          }
        },
        {
          "type": "text",
          "text": "What is in this image?"
        }
      ]
    }
  ]
}'
```

## 返回响应

### 🟢 200 成功

**内容类型**: `application/json`

#### 响应结构

```text
object
```

#### 示例

```json
{}
```