Unable to log in to Developer Portal – “Method Not Allowed” error

I’m trying to log in to the developer portal, but authentication fails with a “Method Not Allowed” error.
This happens every time I attempt to sign in, and I’m unable to access the dashboard or any developer tools.

**Steps to Reproduce:**

Go to the developer portal login page
Enter valid credentials
Submit the form
Error appears instead of logging in

**Expected Behavior:**
Successful login to the developer portal.

**Actual Behavior:**
A “Method Not Allowed” error is returned and login fails.

**Additional Info:**

Browser tested: chrome latest
Region: ukraine
No VPN

If you need logs, HAR files, or anything else, I can provide them.

首先，按照列出的步驟，使用有效憑證在 Chrome 中從開發者入口網站登入頁面重現此故障。檢查 repository 的 Python SDK 驗證與 API 進入點，確認其是否與入口網站登入流程存在連線；登入成功且可以存取 dashboard 或開發人員工具即表示完成。

由索引模型根據 Issue 內容生成。