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Welcome to Fay

Fay is the deep research platform that turns complex questions into ready-to-use, source-linked answers. With production-grade deep research capabilities and live citations, Fay provides everything you need to build intelligent applications that can answer any question with comprehensive, well-sourced information.

What is Fay?​

Fay is an AI-powered research platform that:

  • Performs deep research on any topic with comprehensive analysis
  • Provides live citations with source links for every claim
  • Delivers production-ready answers that are ready to use in your applications
  • Offers both API and UI interfaces for maximum flexibility

Key Features​

🔍 Deep Research​

Fay doesn't just search - it researches. Our platform dives deep into topics, analyzing multiple sources, cross-referencing information, and providing comprehensive answers.

📚 Live Citations​

Every piece of information comes with live citations and source links, ensuring transparency and allowing users to verify claims.

⚡ Production Ready​

Built for scale, Fay's API is designed to handle high-volume research requests with fast response times and reliable performance.

🛠️ Developer Friendly​

Simple REST API with comprehensive documentation, SDKs, and webhooks for seamless integration.

Getting Started​

  1. Get your API key - Sign up at Fay.work to get your API credentials
  2. Set up authentication - Learn how to configure your API key
  3. Make your first request - Follow our API reference to start researching
  4. Handle webhooks - Set up webhook notifications for real-time updates

Use Cases​

  • Content Creation: Generate well-researched articles, reports, and content
  • Market Research: Analyze competitors, trends, and market opportunities
  • Academic Research: Gather comprehensive information for academic projects
  • Business Intelligence: Research potential partners, markets, and opportunities
  • Customer Support: Provide detailed, accurate answers to customer inquiries

Next Steps​

Ready to get started? Head over to the API Keys section to learn how to set up your authentication, or jump directly into the API Reference to see all available endpoints.