Cursor Editor Custom Key Configuration Tutorial: Say Goodbye to Subscription Limits
Guide Summary (Key Takeaways)
Cursor free quota is not enough? By configuring a custom OpenAI/Anthropic API Key, you can pay as you go and enjoy unlimited top-tier model assisted programming. This comprehensive guide provides step-by-step instructions on registration, API key acquisition, and quota management for Cursor.
1. Open Settings
In the Cursor editor, click the gear icon in the top right corner to enter **Settings**.
2. Configure Models
In the Settings panel, find the **Models** tab:
3. Set Relay Address (Override)
If you are using a relay Key:
- Expand "Override OpenAI Base URL".
- Enter the address of the relay station (e.g., `https://api.siliconflow.cn/v1`).
4. Switch Models
In the editor dialog, manually select the model of the corresponding vendor to start using it.
Quick Q&A for Cursor Editor Custom Key Configuration Tutorial: Say Goodbye to Subscription Limits
Is Cursor really free?
Yes, according to our latest check in May 2026, Cursor offers a dedicated free tier for developers with specific daily limits.
How do I verify my account?
Follow the "Registration Steps" section above. Most platforms require email or phone verification to activate the API.