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🔧 API Integration Guide - Prompt Assistant

Learn how to integrate and optimize your Google Gemini API usage with Prompt Assistant, available on the Chrome Web Store.

🔑 Google Gemini API Setup

Getting Your API Key

  1. Visit Google AI Studio
  2. Sign in with your Google account
  3. Click "Create API key"
  4. Copy your API key (starts with "AIza...")
  5. Keep it secure - never share publicly

API Key Configuration in Prompt Assistant

  1. Open the extension from Chrome toolbar
  2. Click the API key button in the header
  3. Paste your API key in the input field
  4. Click Save - your key is stored locally and securely
  5. Verify connection - you'll see a green checkmark when successful

⚙️ API Features Used

Smart Questions Generation

  • Endpoint: /v1/models/gemini-2.0-flash:generateContent
  • Purpose: Generate contextual questions based on user input
  • Input: Initial prompt description and selected category
  • Output: 3-5 targeted questions to refine the prompt

Prompt Analysis

  • Endpoint: /v1/models/gemini-2.0-flash:generateContent
  • Purpose: Analyze prompt quality and effectiveness
  • Metrics: Clarity score, specificity rating, improvement suggestions
  • Real-time: Instant feedback as you type

Prompt Optimization

  • Endpoint: /v1/models/gemini-2.0-flash:generateContent
  • Purpose: Automatically enhance prompt structure and clarity
  • Features: Grammar improvement, context enhancement, format optimization
  • Languages: Support for 13+ languages

📊 API Usage and Limits

Rate Limits

  • Free Tier: 15 requests per minute
  • Paid Tier: 300 requests per minute
  • Daily Limit: 1,500 requests (free), 1M+ (paid)

Optimization Tips

  • Batch operations: Combine multiple optimizations
  • Caching: Previously analyzed prompts are cached locally
  • Fallback mode: Basic features work without API key

Cost Management

  • Token efficient: Optimized prompts to minimize token usage
  • Local processing: Basic analysis works offline
  • Smart caching: Reduces redundant API calls

🔒 Security and Privacy

Data Handling

  • Local storage: API keys stored only in your browser
  • No data collection: Your prompts are not stored on our servers
  • Encrypted transmission: All API calls use HTTPS
  • Privacy first: Google's AI Studio privacy policy applies

Best Practices

  • Rotate keys: Change your API key periodically
  • Monitor usage: Check your Google Cloud console regularly
  • Limit scope: Use project-specific API keys when possible
  • Access control: Restrict API key permissions to necessary services only

Troubleshooting API Issues

Authentication Errors

Error: API key not valid
  • Verify key format (starts with "AIza...")
  • Check if Gemini API is enabled in Google Cloud Console
  • Ensure billing is set up for your Google Cloud project

Rate Limit Exceeded

Error: Quota exceeded
  • Wait for rate limit reset (1 minute)
  • Upgrade to paid tier for higher limits
  • Use caching features to reduce API calls

Network Issues

Error: Failed to fetch
  • Check internet connection
  • Verify no firewall blocking Google APIs
  • Try refreshing the extension

🛠️ Advanced Configuration

Custom API Settings

  • Timeout: Adjust request timeout (default: 30 seconds)
  • Retry logic: Automatic retry on temporary failures
  • Fallback mode: Graceful degradation without API

Performance Optimization

  • Request batching: Combine multiple operations
  • Smart caching: Cache frequently used responses
  • Compression: Minimize payload size

📈 Monitoring and Analytics

Usage Tracking

  • Request count: Monitor daily API usage
  • Response time: Track API performance
  • Error rates: Identify and resolve issues
  • Cost analysis: Optimize for budget efficiency

Health Checks

  • API availability: Regular connectivity tests
  • Key validation: Periodic authentication verification
  • Performance metrics: Response time monitoring

For technical support, contact hexquant@gmail.com or visit x(twitter)