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Next.js 15 Edge Functions: Building Sub-50ms APIs

Arif Chowdhury
April 22, 2026
7 min read
Next.js 15 Edge Functions: Building Sub-50ms APIs

Explore the Edge runtime in Next.js 15 and learn how to build ultra-fast APIs. We cover streaming responses with React Server Components, caching strategies, and deployment to Vercel Edge and Cloudflare Workers.

Introduction

In this article, we explore the key concepts and practical applications of next.js 15 edge functions: building sub-50ms apis. Whether you're a seasoned developer or just getting started, this guide will provide valuable insights.

Key Takeaways

  • Understanding the fundamentals and core principles
  • Best practices for production environments
  • Performance optimisation techniques
  • Common pitfalls and how to avoid them
  • Real-world implementation examples

Conclusion

We hope this article has provided you with a solid foundation for understanding and implementing these concepts in your own projects. Stay tuned for more technical deep-dives from the Datapin team.

Arif Chowdhury

Co-Founder & CEO at Datapin

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