# 直播间弹幕

## 获取当前用户对应直播间可发弹幕配置

> https://api.live.bilibili.com/xlive/web-room/v1/dM/GetDMConfigByGroup

*请求方式: GET*

认证方式: Cookie (SESSDATA)

未登录也可以获取，但颜色只有白色可用，模式只有滚动。

**url参数：**

| 参数名 | 类型 | 内容 | 必要性 | 备注 |
| ---- | --- | --- | ---- | --- |
| room_id | num | 直播间id | 必要 |  |
| web_location | str | (?) | 非必要 | 作用尚不明确 |
| w_rid | str | wbi签名 | 非必要 | 不强制需要 |
| wts | num | 秒时间戳 | 非必要 | 不强制需要 |

**json回复：**

根对象：

| 字段 | 类型 | 内容 | 备注 |
| --- | --- | --- | --- |
| code | num | 返回值 | 0: 成功<br />-400: 参数错误 |
| data | obj | 信息本体 |  |
| message | str | 错误信息 |  |
| msg | str | 信息 | 成功时存在，为`""`(空字符串) |
| ttl | num | `1` | 成功时不存在 |

`data` 对象:

| 字段 | 类型 | 内容 | 备注 |
| --- | --- | --- | --- |
| group | arr | 弹幕颜色组 |  |
| mode | arr | 弹幕显示模式 |  |

`data.group` 数组中对象:

| 字段 | 类型 | 内容 | 备注 |
| --- | --- | --- | --- |
| name | str | 显示名称 |  |
| sort | num | 用于排序 |  |
| color | arr | 该组颜色列表 |  |

`data.group[i].color` 数组中对象:

| 字段 | 类型 | 内容 | 备注 |
| --- | --- | --- | --- |
| name | str | 颜色名 |  |
| color | str | 十进制颜色值 | 发送弹幕用 |
| color\_hex | str | 十六进制颜色值 | 发送弹幕用 |
| status | num | 可用状态 | 0: 不可用<br />1: 可用 |
| weight | num | (?) | 作用尚不明确 |
| color\_id | num | 颜色id? |  |
| origin | num | (?) |  |

`data.mode` 数组中对象:

| 字段 | 类型 | 内容 | 备注 |
| --- | --- | --- | --- |
| name | str | 模式名称 |  |
| mode | num | 模式值 | 发送弹幕用 |
| type | str | 模式类型 |  |
| status | num | 可用状态 | 0: 不可用<br />1: 可用 |

**示例：**

获取未登录用户在直播间 `1` 的弹幕配置可用情况

```shell
curl 'https://api.live.bilibili.com/xlive/web-room/v1/dM/GetDMConfigByGroup?room_id=1'
```

<details>
<summary>查看响应示例：</summary>

```json
{
  "code": 0,
  "data": {
    "group": [
      {
        "name": "普",
        "sort": 0,
        "color": [
          {
            "name": "白色",
            "color": "16777215",
            "color_hex": "ffffff",
            "status": 1,
            "weight": -9999,
            "color_id": -9999,
            "origin": 0
          }
        ]
      },
      {
        "name": "航",
        "sort": 100,
        "color": [
          {
            "name": "紫色",
            "color": "14893055",
            "color_hex": "e33fff",
            "status": 0,
            "weight": 0,
            "color_id": 6,
            "origin": 1
          }
        ]
      },
      {
        "name": "粉",
        "sort": 200,
        "color": [
          {
            "name": "松石绿",
            "color": "5566168",
            "color_hex": "54eed8",
            "status": 0,
            "weight": 99,
            "color_id": 66,
            "origin": 2
          },
          {
            "name": "雨后蓝",
            "color": "5816798",
            "color_hex": "58c1de",
            "status": 0,
            "weight": 98,
            "color_id": 67,
            "origin": 2
          },
          {
            "name": "星空蓝",
            "color": "4546550",
            "color_hex": "455ff6",
            "status": 0,
            "weight": 97,
            "color_id": 68,
            "origin": 2
          },
          {
            "name": "紫罗兰",
            "color": "9920249",
            "color_hex": "975ef9",
            "status": 0,
            "weight": 96,
            "color_id": 69,
            "origin": 2
          },
          {
            "name": "梦境红",
            "color": "12802438",
            "color_hex": "c35986",
            "status": 0,
            "weight": 95,
            "color_id": 70,
            "origin": 2
          },
          {
            "name": "热力橙",
            "color": "16747553",
            "color_hex": "ff8c21",
            "status": 0,
            "weight": 94,
            "color_id": 71,
            "origin": 2
          },
          {
            "name": "香槟金",
            "color": "16774434",
            "color_hex": "fff522",
            "status": 0,
            "weight": 93,
            "color_id": 72,
            "origin": 2
          }
        ]
      },
      {
        "name": "爷",
        "sort": 300,
        "color": [
          {
            "name": "红色",
            "color": "16738408",
            "color_hex": "ff6868",
            "status": 0,
            "weight": 0,
            "color_id": 8,
            "origin": 3
          },
          {
            "name": "蓝色",
            "color": "6737151",
            "color_hex": "66ccff",
            "status": 0,
            "weight": 0,
            "color_id": 7,
            "origin": 3
          }
        ]
      },
      {
        "name": "活",
        "sort": 400,
        "color": [
          {
            "name": "盛典金",
            "color": "16766720",
            "color_hex": "ffd700",
            "status": 0,
            "weight": 100,
            "color_id": 44,
            "origin": 4
          },
          {
            "name": "升腾蓝",
            "color": "4286945",
            "color_hex": "4169e1",
            "status": 0,
            "weight": 100,
            "color_id": 43,
            "origin": 4
          },
          {
            "name": "青色",
            "color": "65532",
            "color_hex": "fffc",
            "status": 0,
            "weight": 0,
            "color_id": 5,
            "origin": 4
          },
          {
            "name": "绿色",
            "color": "8322816",
            "color_hex": "7eff00",
            "status": 0,
            "weight": 0,
            "color_id": 4,
            "origin": 4
          },
          {
            "name": "黄色弹幕",
            "color": "16772431",
            "color_hex": "ffed4f",
            "status": 0,
            "weight": 0,
            "color_id": 3,
            "origin": 4
          },
          {
            "name": "橙色",
            "color": "16750592",
            "color_hex": "ff9800",
            "status": 0,
            "weight": 0,
            "color_id": 2,
            "origin": 4
          },
          {
            "name": "粉色",
            "color": "16741274",
            "color_hex": "ff739a",
            "status": 0,
            "weight": 0,
            "color_id": 1,
            "origin": 4
          }
        ]
      }
    ],
    "mode": [
      {
        "name": "滚动",
        "mode": 1,
        "type": "scroll",
        "status": 1
      },
      {
        "name": "底部",
        "mode": 4,
        "type": "bottom",
        "status": 0
      },
      {
        "name": "顶部",
        "mode": 5,
        "type": "top",
        "status": 0
      }
    ]
  },
  "message": "",
  "msg": ""
}
```

</details>


## 获取直播间最近历史弹幕

> https://api.live.bilibili.com/xlive/web-room/v1/dM/gethistory

<!--{
  "from": {
    "url": "https://www.bilibili.com/read/cv8186413/"
  }
}-->

*请求方式: GET*

注: 该接口部分返回信息不明, 仅供参考, 来源 [cv8186413](https://www.bilibili.com/read/cv8186413/)

**URL参数:**

| 参数名 | 类型 | 内容 | 必要性 | 备注 |
| ----- | ---- | --- | - | - |
| roomid | num | 直播间短ID | 必要 | |

**JSON回复:**

根对象:

| 字段 | 类型 | 内容 | 备注 |
| --- | --- | --- | --- |
| code | num | 返回值 | 0: 成功<br />-400: 请求错误 |
| message | str | 错误信息 | 默认为空 |
| msg | str | 空 | 仅请求成功时存在 |
| ttl | num | 1 | 仅请求失败时存在 |
| data | obj | 信息本体 | |

`data`对象:

| 字段 | 类型 | 内容 | 备注 |
| --- | --- | --- | --- |
| admin | array | 管理员最新的10条弹幕消息 | 格式与`room`相同 |
| room | array | 普通用户的10条弹幕信息 | 格式与`admin`相同 |

`data`中的任意数组中的对象:

| 字段 | 类型 | 内容 | 备注 |
| --- | --- | --- | --- |
| text | str | 弹幕内容 | |
| dm_type | num | 弹幕类型 | |
| uid | num | 弹幕发送者的UID | |
| nickname | str | 弹幕发送者的昵称 | |
| uname_color | str | 弹幕发送者的昵称颜色? | |
| timeline | str | 弹幕发送时间 | 格式为`yyyy-MM-dd HH:mm:ss` |
| isadmin | num | 是否为管理员 | |
| vip | num | 是否为VIP? ||
| svip | num | 是否为SVIP? ||
| medal | array | 粉丝勋章信息? | 格式不明 |
| title | array | 标题? | 格式不明 |
| user_level | array | 用户等级信息? | 格式不明 |
| rank | num | 排名? | [用户空间详细信息](../user/info.md#获取用户详细信息) |
| teamid | num |  | |
| rnd | str | 随机数种子? |  |
| user_title | str | 用户头衔? |格式不明|
| guard_level |  | 大航海等级？ | |
| bubble |  | | |
| bubble_color |  | | |
| lpl |  | | |
| yeah_space_url |  | | |
| jump_to_url |  | | |
| check_info | obj | 弹幕审核信息? |  |
| voice_dm_info | obj | 语音弹幕信息? |  |
| emoticon | obj | 房间独有表情信息 |  |
| emots | obj | 默认表情信息 | 结构为`表情名-信息`组成的键值对<br />如果信息不含默认表情，则返回 null |
| id_str | str | 弹幕ID? |  |
| wealth_level | num | 财富等级? |  |
| bubble_id_v2 | num |  |  |
| reply | obj | 回复的弹幕 |  |
| group_medal | null |  |  |
| user | obj | 该用户信息 ||

`data`对象中的`emoticon`对象:

| 字段            | 类型 | 内容                     | 备注                         |
| --------------- | ---- | ------------------------ | ---------------------------- |
| id              | num  | 0                        |                              |
| emoticon_unique | str  | 表情的独特标识           | 格式为`room_房间号_表情id`   |
| text            | text | 表情的触发词             |                              |
| perm            | num  | 发送权限？               | 1：所有人都可发送            |
| url             | str  | 表情的图像链接           |                              |
| in_player_area  | num  | 是否显示在直播画面区域？ |                              |
| bulge_display   | num  | 是否高亮显示？           |                              |
| is_dynamic      | num  | 是否为动态表情           | 0：静态图像<br />1：动态图像 |
| height          | num  | 表情的高度               |                              |
| width           | num  | 表情的宽度               |                              |

`data`对象中的`emots`对象中的任意一个值对象:

| 字段           | 类型 | 内容             | 备注                      |
| -------------- | ---- | ---------------- | ------------------------- |
| count          | num  | 重复发送数量     |                           |
| descript       | str  | 表情描述         |                           |
| emoji          | str  | 表情描述         |                           |
| emotion_id     | num  | 表情 id          |                           |
| emotion_unique | str  | 表情的独特标识符 | 格式可能为`emoji_表情 id` |
| height         | num  | 表情的宽度       |                           |
| url            | str  | 表情的图像链接   |                           |
| width          | num  | 表情的高度       |                           |

`data`对象中的`user`对象:

| 字段 | 类型 | 内容 | 备注 |
| - | - | --- | --- |
| uid | num | 用户 mid ||
| base | obj | 用户基本信息 ||
| medal | null | ||
| wealth | null | ||
| title | obj | 用户标题? ||
| guard | null | ||
| uhead_frame | null | ||
| guard_leader | obj |  |  |

`data`对象中的`user`对象中的`base`对象:

| 字段 | 类型 | 内容 | 备注 |
| - | - | --- | --- |
| name | str | 用户名 ||
| face | str | 用户头像 url ||
| name_color | num | 用户名颜色? ||
| is_mystery | bool | 是否为神秘用户? ||
| risk_ctrl_info | null |  |  |
| origin_info | obj | 原始信息? |  |
| official_info | obj | 认证信息 |  |
| name_color_str | str |  |  |

**示例:**

```shell
curl -G 'https://api.live.bilibili.com/xlive/web-room/v1/dM/gethistory' \
--url-query 'roomid=1'
```

<details>
<summary>查看响应示例:</summary>

```json
{
  "code": 0,
  "data": {
    "admin": [],
    "room": [
      {
        "text": "‫",
        "dm_type": 0,
        "uid": 20276964,
        "nickname": "咸菜拉面",
        "uname_color": "",
        "timeline": "2024-08-15 05:05:06",
        "isadmin": 0,
        "vip": 0,
        "svip": 0,
        "medal": [
          27,
          "小孩梓",
          "阿梓从小就很可爱",
          80397,
          398668,
          "",
          0,
          6809855,
          398668,
          6850801,
          3,
          1,
          7706705
        ],
        "title": [
          "title-86-1",
          "title-86-1"
        ],
        "user_level": [
          59,
          0,
          16752445,
          931
        ],
        "rank": 10000,
        "teamid": 0,
        "rnd": "1723669505",
        "user_title": "title-86-1",
        "guard_level": 0,
        "bubble": 0,
        "bubble_color": "",
        "lpl": 0,
        "yeah_space_url": "",
        "jump_to_url": "",
        "check_info": {
          "ts": 1723669506,
          "ct": "18434F3D"
        },
        "voice_dm_info": {
          "voice_url": "",
          "file_format": "",
          "text": "",
          "file_duration": 0,
          "file_id": ""
        },
        "emoticon": {
          "id": 0,
          "emoticon_unique": "",
          "text": "",
          "perm": 0,
          "url": "",
          "in_player_area": 0,
          "bulge_display": 0,
          "is_dynamic": 0,
          "height": 0,
          "width": 0
        },
        "emots": null,
        "id_str": "74368f428dfaec806cd205e62866bd1c45",
        "wealth_level": 37,
        "bubble_id_v2": 0,
        "reply": {
          "show_reply": true,
          "reply_mid": 0,
          "reply_uname": "",
          "reply_uname_color": "",
          "reply_is_mystery": false
        },
        "group_medal": null,
        "user": {
          "uid": 20276964,
          "base": {
            "name": "咸菜拉面",
            "face": "https://i0.hdslb.com/bfs/face/182b73f6b6274fcee7491219f511b1748c4bc712.jpg",
            "name_color": 0,
            "is_mystery": false,
            "risk_ctrl_info": null,
            "origin_info": {
              "name": "咸菜拉面",
              "face": "https://i0.hdslb.com/bfs/face/182b73f6b6274fcee7491219f511b1748c4bc712.jpg"
            },
            "official_info": {
              "role": 0,
              "title": "",
              "desc": "",
              "type": -1
            },
            "name_color_str": ""
          },
          "medal": {
            "name": "小孩梓",
            "level": 27,
            "color_start": 398668,
            "color_end": 6850801,
            "color_border": 6809855,
            "color": 398668,
            "id": 13139,
            "typ": 0,
            "is_light": 1,
            "ruid": 7706705,
            "guard_level": 3,
            "score": 50112778,
            "guard_icon": "https://i0.hdslb.com/bfs/live/143f5ec3003b4080d1b5f817a9efdca46d631945.png",
            "honor_icon": "",
            "v2_medal_color_start": "#4775EFCC",
            "v2_medal_color_end": "#4775EFCC",
            "v2_medal_color_border": "#58A1F8FF",
            "v2_medal_color_text": "#FFFFFFFF",
            "v2_medal_color_level": "#000B7099",
            "user_receive_count": 0
          },
          "wealth": null,
          "title": {
            "old_title_css_id": "title-86-1",
            "title_css_id": "title-86-1"
          },
          "guard": null,
          "uhead_frame": null,
          "guard_leader": {
            "is_guard_leader": false
          }
        }
      },
      {
        "text": "‫",
        "dm_type": 0,
        "uid": 20276964,
        "nickname": "咸菜拉面",
        "uname_color": "",
        "timeline": "2024-08-16 05:05:06",
        "isadmin": 0,
        "vip": 0,
        "svip": 0,
        "medal": [
          27,
          "小孩梓",
          "阿梓从小就很可爱",
          80397,
          398668,
          "",
          0,
          6809855,
          398668,
          6850801,
          3,
          1,
          7706705
        ],
        "title": [
          "title-86-1",
          "title-86-1"
        ],
        "user_level": [
          59,
          0,
          16752445,
          931
        ],
        "rank": 10000,
        "teamid": 0,
        "rnd": "1723755905",
        "user_title": "title-86-1",
        "guard_level": 0,
        "bubble": 0,
        "bubble_color": "",
        "lpl": 0,
        "yeah_space_url": "",
        "jump_to_url": "",
        "check_info": {
          "ts": 1723755906,
          "ct": "F65D229F"
        },
        "voice_dm_info": {
          "voice_url": "",
          "file_format": "",
          "text": "",
          "file_duration": 0,
          "file_id": ""
        },
        "emoticon": {
          "id": 0,
          "emoticon_unique": "",
          "text": "",
          "perm": 0,
          "url": "",
          "in_player_area": 0,
          "bulge_display": 0,
          "is_dynamic": 0,
          "height": 0,
          "width": 0
        },
        "emots": null,
        "id_str": "7f3bb90826ad642012a31368f266be6d2",
        "wealth_level": 37,
        "bubble_id_v2": 0,
        "reply": {
          "show_reply": true,
          "reply_mid": 0,
          "reply_uname": "",
          "reply_uname_color": "",
          "reply_is_mystery": false
        },
        "group_medal": null,
        "user": {
          "uid": 20276964,
          "base": {
            "name": "咸菜拉面",
            "face": "https://i0.hdslb.com/bfs/face/182b73f6b6274fcee7491219f511b1748c4bc712.jpg",
            "name_color": 0,
            "is_mystery": false,
            "risk_ctrl_info": null,
            "origin_info": {
              "name": "咸菜拉面",
              "face": "https://i0.hdslb.com/bfs/face/182b73f6b6274fcee7491219f511b1748c4bc712.jpg"
            },
            "official_info": {
              "role": 0,
              "title": "",
              "desc": "",
              "type": -1
            },
            "name_color_str": ""
          },
          "medal": {
            "name": "小孩梓",
            "level": 27,
            "color_start": 398668,
            "color_end": 6850801,
            "color_border": 6809855,
            "color": 398668,
            "id": 13139,
            "typ": 0,
            "is_light": 1,
            "ruid": 7706705,
            "guard_level": 3,
            "score": 50112778,
            "guard_icon": "https://i0.hdslb.com/bfs/live/143f5ec3003b4080d1b5f817a9efdca46d631945.png",
            "honor_icon": "",
            "v2_medal_color_start": "#4775EFCC",
            "v2_medal_color_end": "#4775EFCC",
            "v2_medal_color_border": "#58A1F8FF",
            "v2_medal_color_text": "#FFFFFFFF",
            "v2_medal_color_level": "#000B7099",
            "user_receive_count": 0
          },
          "wealth": null,
          "title": {
            "old_title_css_id": "title-86-1",
            "title_css_id": "title-86-1"
          },
          "guard": null,
          "uhead_frame": null,
          "guard_leader": {
            "is_guard_leader": false
          }
        }
      },
      {
        "text": "好帅",
        "dm_type": 0,
        "uid": 3546708493469870,
        "nickname": "aodun1",
        "uname_color": "",
        "timeline": "2024-08-16 22:33:28",
        "isadmin": 0,
        "vip": 0,
        "svip": 0,
        "medal": [],
        "title": [
          "",
          ""
        ],
        "user_level": [
          0,
          0,
          9868950,
          ">50000"
        ],
        "rank": 10000,
        "teamid": 0,
        "rnd": "1723811729",
        "user_title": "",
        "guard_level": 0,
        "bubble": 0,
        "bubble_color": "",
        "lpl": 0,
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            "name_color": 0,
            "is_mystery": false,
            "risk_ctrl_info": null,
            "origin_info": {
              "name": "咸菜拉面",
              "face": "https://i0.hdslb.com/bfs/face/182b73f6b6274fcee7491219f511b1748c4bc712.jpg"
            },
            "official_info": {
              "role": 0,
              "title": "",
              "desc": "",
              "type": -1
            },
            "name_color_str": ""
          },
          "medal": {
            "name": "小孩梓",
            "level": 27,
            "color_start": 398668,
            "color_end": 6850801,
            "color_border": 6809855,
            "color": 398668,
            "id": 13139,
            "typ": 0,
            "is_light": 1,
            "ruid": 7706705,
            "guard_level": 3,
            "score": 50112778,
            "guard_icon": "https://i0.hdslb.com/bfs/live/143f5ec3003b4080d1b5f817a9efdca46d631945.png",
            "honor_icon": "",
            "v2_medal_color_start": "#4775EFCC",
            "v2_medal_color_end": "#4775EFCC",
            "v2_medal_color_border": "#58A1F8FF",
            "v2_medal_color_text": "#FFFFFFFF",
            "v2_medal_color_level": "#000B7099",
            "user_receive_count": 0
          },
          "wealth": null,
          "title": {
            "old_title_css_id": "title-86-1",
            "title_css_id": "title-86-1"
          },
          "guard": null,
          "uhead_frame": null,
          "guard_leader": {
            "is_guard_leader": false
          }
        }
      }
    ]
  },
  "message": "",
  "msg": ""
}
```

</details>

## 设置弹幕样式

> https://api.live.bilibili.com/xlive/web-room/v1/dM/AjaxSetConfig

*请求方式: POST*

认证方式: Cookie (SESSDATA)

鉴权方式: Cookie中`bili_jct`的值正确并与`csrf`相同

**正文参数 (application/x-www-form-urlencoded)：**

| 参数名 | 类型 | 内容 | 必要性 | 备注 |
| ---- | --- | --- | ---- | --- |
| csrf | str | CSRF Token（位于cookie） | 必要 |  |
| csrf\_token | str | 同csrf | 非必要 |  |
| room\_id | num | 直播间id | 必要 |  |
| color | str | 颜色值 | 必要（可选） | color和mode任选一个 |
| mode | num | 弹幕模式 | 必要（可选） | color和mode任选一个 |

注1: 抓取到的color格式是`"0x"+六位十六进制小写颜色值`，实际不需要`0x`，且不区分大小写。

注2: 若color和mode同时存在将只处理color，mode将被忽略。（见[#1236(comment)](https://github.com/SocialSisterYi/bilibili-API-collect/issues/1236#issuecomment-2849019923)）

**json回复：**

根对象：

| 字段 | 类型 | 内容 | 备注 |
| --- | --- | --- | --- |
| code | num | 返回值 | 0: 成功<br />-101: 账号未登录<br />-500: 未达到使用条件<br />10064002: 参数错误<br />10065107: 颜色不存在 |
| message | str | 错误信息 |  |
| ttl | num | `1` |  |
| data | obj | 信息本体 | 部分情况不存在，10064002时为`null` |

`data` 对象：

| 字段 | 类型 | 内容 | 备注 |
| --- | --- | --- | --- |
| status | num | 同code |  |
| msg | str | 提示信息 | 成功时有内容 |
| roomid | num | 直播间id |  |

**示例：**

更改直播间 `1017` 的弹幕颜色为白色

```shell
curl 'https://api.live.bilibili.com/xlive/web-room/v1/dM/AjaxSetConfig' \
  --data-urlencode 'room_id=1017' \
  --data-urlencode 'color=0xffffff' \
  --data-urlencode 'csrf=xxx' \
  -b 'SESSDATA=xxx;bili_jct=xxx'
```

<details>
<summary>查看响应示例：</summary>

```json
{
  "code":0,
  "message":"0",
  "ttl":1,
  "data":{
    "status":0,
    "msg":"设置成功~",
    "roomid":1017
  }
}
```

</details>

## 发送直播弹幕

> https://api.live.bilibili.com/msg/send

*请求方式: POST*

认证方式: Cookie (SESSDATA)

鉴权方式: Cookie中`bili_jct`的值正确并与`csrf`相同

**url参数：**

| 参数名 | 类型 | 内容 | 必要性 | 备注 |
| ----- | ---- | --- | ----- | --- |
| w_rid | str | wbi签名 | 非必要 | 不强制需要 |
| wts | num | Unix 秒时间戳 | 非必要 | 不强制需要 |

**正文参数 (`application/x-www-form-urlencoded`或`multipart/form-data`)：**

| 参数名 | 类型 | 内容 | 必要性 | 备注 |
| ---- | --- | --- | ---- | --- |
| csrf | str | CSRF Token（位于cookie） | 必要 |  |
| roomid | num | 直播间id | 必要 |  |
| msg | str | 弹幕内容 | 必要 |  |
| rnd | num | 当前 Unix 秒时间戳 | 必要 |  |
| fontsize | num | 字体大小 | 必要 | 默认为`25` |
| color | num | 十进制颜色值 | 必要 | 实际无效果 |
| mode | num | 展示模式 | 非必要 | 默认为`1` |
| bubble | num | (?) | 非必要 | 值为`0` |
| room\_type | num | (?) | 非必要 | `0` |
| jumpfrom | num | (?) | 非必要 | `0` |
| reply\_mid | num | 要“@”的用户mid | 非必要 | 默认为`0` |
| reply\_attr | num | (?) | 非必要 | `0` |
| reply\_uname | str | 要“@”的用户名称 | 非必要 | 默认为`""`，提供reply\_mid时不需要提供 |
| replay\_dmid | str | 要回复的弹幕id | 非必要 | 默认为`""` |
| statistics | str | (?) | 非必要 | `{"appId":100,"platform":5}` |
| csrf_token | str | 同csrf | 非必要 |  |

**json回复：**

根对象：

| 字段 | 类型 | 内容 | 备注 |
| --- | --- | --- | --- |
| code | num | 返回值 | `-101`:账号未登录<br />`-111`:csrf 校验失败<br />`-400`:请求错误，带有必须参数的信息<br />`1003212`:超出限制长度<br />`10031`:发送频率过快 |
| message | str | 错误信息 |  |
| msg | str | 同`message` |  |
| data | obj | 信息本体 |  |
| ttl | num | `1` | 在小于0的code中存在 |

`data` 对象:

| 字段 | 类型 | 内容 | 备注 |
| --- | --- | --- | --- |
| mode_info | obj | 弹幕信息 |  |
| dm_v2 | null | v2弹幕 |  |

`data.mode_info` 对象:

基本上与[直播间信息流#弹幕 (DANMU_MSG)](message_stream.md#弹幕-danmu_msg)的`info[0][15]`对象相同。

**示例：**

给直播间 `1899237171` 发送内容为 `QwQ` 的弹幕

```shell
curl 'https://api.live.bilibili.com/msg/send' \
  --data-urlencode 'roomid=1899237171' \
  --data-urlencode 'msg=QwQ' \
  --data-urlencode 'rnd=1744956003' \
  --data-urlencode 'fontsize=25'
  --data-urlencode 'color=16777215'
  --data-urlencode 'csrf=xxx' \
  -b 'SESSDATA=xxx;bili_jct=xxx'
```

<details>
<summary>查看响应示例：</summary>

```json
{
  "code":0,
  "data":{
    "mode_info":{
      "mode":0,
      "show_player_type":0,
      "extra":"{\"send_from_me\":true,\"master_player_hidden\":false,\"mode\":0,\"color\":16777215,\"dm_type\":0,\"font_size\":25,\"player_mode\":1,\"show_player_type\":0,\"content\":\"QwQ\",\"user_hash\":\"2402762465\",\"emoticon_unique\":\"\",\"bulge_display\":0,\"recommend_score\":7,\"main_state_dm_color\":\"\",\"objective_state_dm_color\":\"\",\"direction\":0,\"pk_direction\":0,\"quartet_direction\":0,\"anniversary_crowd\":0,\"yeah_space_type\":\"\",\"yeah_space_url\":\"\",\"jump_to_url\":\"\",\"space_type\":\"\",\"space_url\":\"\",\"animation\":{},\"emots\":null,\"is_audited\":false,\"id_str\":\"4e3ed8ede9409b234b5e1d64c06801ea3119\",\"icon\":null,\"show_reply\":true,\"reply_mid\":0,\"reply_uname\":\"\",\"reply_uname_color\":\"\",\"reply_is_mystery\":false,\"reply_type_enum\":0,\"hit_combo\":0,\"esports_jump_url\":\"\"}",
      "user":{
        "uid":438160221,
        "base":{
          "name":"weatfe",
          "face":"https://i0.hdslb.com/bfs/face/member/noface.jpg",
          "name_color":0,
          "is_mystery":false,
          "risk_ctrl_info":null,
          "origin_info":{
            "name":"weatfe",
            "face":"https://i0.hdslb.com/bfs/face/member/noface.jpg"
          },
          "official_info":{
            "role":0,
            "title":"",
            "desc":"",
            "type":-1
          },
          "name_color_str":""
        },
        "medal":null,
        "wealth":null,
        "title":{
          "old_title_css_id":"",
          "title_css_id":""
        },
        "guard":null,
        "uhead_frame":null,
        "guard_leader":{
          "is_guard_leader":false
        }
      }
    },
    "dm_v2":null
  },
  "message":"",
  "msg":""
}
```

</details>