How to Get a Free Google Gemini API Key in 2 Minutes

### Why Gemini 2.5 Flash is the King of Interview Copilots

Google Gemini 2.5 Flash combines sub-600ms latency, massive 2,000,000-token context windows, and unmatched algorithm problem-solving abilities. Best of all, Google offers every developer and Google account a **free tier** of up to 15 requests per minute.

Step 1: Visit Google AI Studio

1. Open your browser and navigate to [aistudio.google.com](https://aistudio.google.com). 2. Sign in with your standard Google account. 3. Accept the Google APIs terms of service.

Step 2: Generate Your API Key

1. Click the blue **"Get API key"** button in the top navigation or sidebar. 2. Click **"Create API key in new project"** (or choose an existing Google Cloud project). 3. Google will instantly display a string starting with `AIzaSy...`. 4. Click the copy icon to copy your secret key to your clipboard.

Step 3: Paste into ZeroPrep AI

1. Open the ZeroPrep AI desktop app or web dashboard. 2. Click **"API Key"** in the top header (or use shortcut `Cmd + K`). 3. Paste your Gemini key into the input field and click **"Save & Verify"**. 4. The key status will immediately turn green: **Connected • Gemini 2.5 Flash Active**.

Your key is stored strictly on your local device. Enjoy unlimited, zero-cost AI coding guidance!