API 介绍
Cloudreve 服务端提供 RESTful API 接口，您可以通过这些接口实现对 Cloudreve 的文件管理、用户管理、系统管理等操作。
路由
除了少部分特殊重定向路由外，所有 API 路由均以 /api/v4/ 开头。
响应
除了少部分特殊路由外，所有 API 路由均返回 JSON 格式数据，HTTP 响应码固定为 200，实际的错误信息通过 code 和 message 字段返回。
json
{
"data": ..., // 任意类型
"code": 0, // 0 表示无错误
"msg": ""
}错误代码
错误代码的定义可以在 error.go 文件中找到。以下为参考列表：
| Code | Description |
|---|---|
| 203 | Not Fully Successful |
| 401 | Not Logged In |
| 403 | No Permission to Access |
| 404 | Resource Not Found |
| 409 | Resource Conflict |
| 40001 | Parameter Error |
| 40002 | Upload Failed |
| 40003 | Folder Creation Failed |
| 40004 | Object Already Exists |
| 40005 | Signature Expired |
| 40006 | Current Storage Policy Not Allowed |
| 40007 | User Group Not Allowed for This Operation |
| 40008 | Admin Privileges Required |
| 40009 | Master Node Not Registered |
| 40010 | Phone Binding Required |
| 40011 | Upload Session Expired |
| 40012 | Invalid Chunk Index |
| 40013 | Invalid Content Length |
| 40014 | Batch Source Size Limit Exceeded |
| 40015 | Maximum Aria2 Task Limit Exceeded |
| 40016 | Parent Directory Does Not Exist |
| 40017 | User Banned |
| 40018 | User Not Activated |
| 40019 | Feature Not Enabled |
| 40020 | Invalid Credentials |
| 40021 | User Not Found |
| 40022 | 2FA Code Error |
| 40023 | Login Session Does Not Exist |
| 40024 | Cannot Initialize WebAuthn |
| 40025 | Invalid WebAuthn Credential |
| 40026 | Captcha Error |
| 40027 | Captcha Refresh Needed |
| 40028 | Failed to Send Email |
| 40029 | Invalid Temporary Link |
| 40030 | Temporary Link Expired |
| 40031 | Email Provider Banned |
| 40032 | Email Already Exists |
| 40033 | Email Has Been Resent |
| 40034 | User Cannot Be Activated |
| 40035 | Storage Policy Does Not Exist |
| 40036 | Cannot Delete Default Storage Policy |
| 40037 | Storage Policy Still Has Files |
| 40038 | Storage Policy Bound to User Groups |
| 40039 | User Group Not Found |
| 40040 | Invalid Action on System Group |
| 40041 | User Group in Use |
| 40042 | Cannot Change Group for Default User |
| 40043 | Invalid Action on Default User |
| 40044 | File Not Found |
| 40045 | Failed to List Files |
| 40046 | Invalid Action on System Node |
| 40047 | Failed to Create File System |
| 40048 | Failed to Create Task |
| 40049 | File Too Large |
| 40050 | File Type Not Allowed |
| 40051 | Insufficient User Capacity |
| 40052 | Illegal Object Name |
| 40053 | Root Directory Protected |
| 40054 | File with Same Name Being Uploaded |
| 40055 | Metadata Mismatch |
| 40056 | Unsupported Archive Type |
| 40057 | Available Storage Policy Changed |
| 40058 | Share Link Not Found |
| 40059 | Cannot Save Own Share |
| 40060 | Slave Cannot Send Callback to Master |
| 40061 | Cloudreve Version Mismatch |
| 40062 | Insufficient Credit |
| 40063 | Group Conflict |
| 40064 | Already in Current User Group |
| 40065 | Invalid Gift Code |
| 40066 | Account Already Bound |
| 40067 | Account Bound to Another User |
| 40068 | Account Not Linked |
| 40069 | Incorrect Password |
| 40070 | Share Preview Disabled |
| 40071 | Invalid Signature |
| 40072 | Admin Cannot Purchase User Group |
| 40073 | Lock Conflict |
| 40074 | Too Many URIs |
| 40075 | Lock Token Expired |
| 40076 | Current Version is Stale |
| 40077 | Entity Does Not Exist |
| 40078 | File is in Recycle Bin |
| 40079 | File Count Limit Reached |
| 40080 | Invalid Password |
| 40081 | Batch Operation Not Fully Completed |
| 40082 | Owner Operation Only |
| 40083 | Purchase Required |
| 40084 | Managed Account Minimum OpenID |
| 40085 | Amount Too Small |
| 40086 | Node Used by Storage Policy |
| 40087 | Domain Not Licensed |
| 40088 | Anonymous User Not Allowed |
| 50001 | Database Operation Failed |
| 50002 | Encryption Failed |
| 50004 | IO Operation Failed |
| 50005 | Internal Setting Parameter Error |
| 50006 | Cache Operation Failed |
| 50007 | Callback Failed |
| 50008 | Failed to Update Backend Settings |
| 50009 | Failed to Add CORS Policy |
| 50010 | Node Offline |
| 50011 | Failed to Query File Metadata |