Guide EN-03
Cursor Custom API and Relay Providers
For Cursor users configuring custom APIs, the key question is not only whether the endpoint works, but whether code-context data is safe to send.
Good fit
Personal experiments with custom OpenAI-compatible endpoints.
Check first
Streaming quality, model names, code completion behavior, and privacy terms.
Do not ignore
Cursor may send code context. Sensitive repositories need trusted channels.
Comparison
Cursor users need model compatibility and code data safety.
| Provider | Cursor fit | Models | Risk | Updated |
|---|---|---|---|---|
| OpenRouter | Explicit Cursor support | OpenAI / Claude / Gemini / Grok | Low risk | 2026-05-18 |
| OfoxAI | Cursor / Cline / Claude Code | OpenAI / Claude / Gemini / DeepSeek | Medium risk | 2026-05-18 |
| AiHubMix | Cursor compatible, 200+ models | OpenAI / Claude / Gemini / DeepSeek | Medium risk | 2026-05-18 |
| SiliconFlow | Cursor config supported | DeepSeek / Qwen (open-source models) | Low risk | 2026-05-18 |
| JieKou AI | Cursor integration | OpenAI / Claude / Gemini / DeepSeek | Medium risk | 2026-05-18 |
Setup
Use a non-sensitive project first.
- Open Cursor settings for model or API provider configuration.
- Enter the provider base URL and API key.
- Check completion, editing, long context, and error recovery in a blank project.
Base URL: https://example.com/v1Risk boundary
Code context
Cursor may include current files and related context.
Team use
Prefer official APIs, Azure, BYOK, or private gateways.
Model quality
Weak code models reduce edit quality.
Logs
Confirm prompt and code retention policy.
Feedback