How to Add OpenAI API Key to Cursor AI (2025) — Full Setup Tutorial

🧠 How to Add OpenAI API Key to Cursor AI (2025) — quick setup guide to connect your OpenAI account and use GPT models directly in Cursor for coding, writing, and automation. We show how to generate your API key, authenticate it in Cursor, and troubleshoot invalid key errors. Includes security tips and integration setup tested for 2025. 📎 Watch next: Claude Skills vs ChatGPT (2025) — Which AI Tool Is Better? 📎 Watch next: Z.AI GLM 4.6 Review – Is This a True Claude Code Alternative? #CursorAI #OpenAI #APIIntegration #CodingTools #AITutorial