Can't use API ket with my cursor

Bug Reports
1

Describe the Bug

I asked support if I can use my Cursor at work with my own private Antroipic api key. and they told me yes :

Yes, you can use your own Anthropic API key in Cursor. Here’s how:

Go to Cursor Settings > Models
Enter your Anthropic API key
Click Verify
Once configured, Cursor will use your personal Anthropic API key to call Claude models directly, which means usage will count against your Anthropic account instead of your company’s Cursor quota.

But now it shows me this : FastStoneEditor2.png - Imgur

, and when I changed to Opus ( or any other model) it doesn’t work still ( The usage limit are from my organiztaion .Not from my new Antroipic account which I’ve jsut opened !)

Steps to Reproduce

I wrote in comment

Screenshots / Screen Recordings

2025-10-31_083256.png
2025-10-31_083256.png1258×498 15.1 KB

Operating System

Windows 10/11

Current Cursor Version (Menu → About Cursor → Copy)

Version: 2.0.43
Commit: 8e4da76ad196925accaa169efcae28c45454cce0
Date: 2025-10-30T18:49:27.589Z
Browser: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Cursor/2.0.43 Chrome/132.0.6834.210 Electron/34.5.8 Safari/537.36

Does this stop you from using Cursor

Yes - Cursor is unusable

2

Hey, thanks for the report. I see you’re on a Cursor Enterprise subscription.

The yellow warning indicates that Enterprise plans may handle custom API keys differently. It looks like even with your Anthropic API key enabled, Cursor is still using your organization’s quota rather than your personal API account.

I’ll clarify this with the team.

3

Hey, I’d recommend contacting your Cursor team admin, as Enterprise plans can often have features like custom API keys disabled!