我的这个 API 设计有什么缺陷/有什么优化空间吗？

因为后端使用 C# + ASP.NET Core 写的，大小写学的是官方 Web API 模板。

POST /api/License/Activate

Example:

• Request Body:

{
    "productId": 2,
    "productBuildVersion": 45,
    "userHardwareUuid": "659d8d48-d301-4ee1-afdd-c44b958bc948",
    "requestSignature": "e65143a751d32af2ebbc7ffddedf45cbb1b43a20"
}

• Response Body:

  • Success (HTTP 200):

{
    "result": "success",
    "pgpSignedLicense": "wsFcBAEBCAAQBQJiVnEnCRDWDnwt3C20igAAWG8P/2wZvL5x6ky1KZtf9Mx/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\\n4cdx\\n=jkGa",
    "validUntil": 1681368168000
}

• Fail 0 (HTTP 200):

{
    "result": "general_error",
    "errors": ["reach_max_client_count"]
}

• Fail 1 (HTTP 400):

{
    "result": "bad_request",
    "errors": ["invalid_user_hardware_uuid"]
}

• Fail 2 (HTTP 500):

{
    "result": "internal_error"
}