Cursor IDE supports configuring provider/API keys in Settings. When using cheapkeyai.com, enter the key and set the custom endpoint required by Cursor.
Endpoint
https://cheapkeyai.com/v1Configure Cursor IDE
- Open Cursor Settings.
- Find the Models or API Keys section.
- Enable custom keys for OpenAI, Anthropic, or Google based on the model needed.
- Paste the cheapkeyai.com API key.
- Enter endpoint `https://cheapkeyai.com/v1` if a custom base URL is requested.
- Select the model in chat or composer, and send a test prompt.
Model Suggestions
| Use Case | Suggested Model | Notes |
|---|---|---|
| Quick code edits | gpt-5-mini, claude-haiku | Prioritize speed and cost. |
| Major refactoring | claude-sonnet, gpt-5 | Requires good context and reasoning. |
| Architectural analysis | claude-opus, gpt-5 | Use when high quality is required. |
| Autocomplete | lightweight model | Reduce latency for a smooth experience. |
Troubleshooting
- Invalid API Key: check key balance and ensure the `sk-` prefix is copied.
- Connection failed: check base URL, proxy, DNS, and firewall.
- Model unavailable: key is not in the correct group or model name is incorrect.
- Slow response: change to a lighter model or disable conflicting extensions.