Backend Tools
How to Build a Weather API with Express and Vercel
Provide real-time weather data to apps and websites with a single Express route.
How to Build a Weather API with FastAPI and Vercel
Provide real-time weather data to apps and websites with a single FastAPI route.
How to Build a Weather API with Nitro and Vercel
Provide real-time weather data to apps and websites with a single Nitro route, Vercel cache storage, and Observability.
All Backend Guides
- How to gradually roll out new versions of your backend
- Efficiently manage database connection pools with Fluid compute
- Using Vercel Sandbox to run Claude’s Agent SDK
- Build an AI Chat Agent with Weather API Tool Calling
- How to Build a Weather API with FastAPI and Vercel
- How to Build a Weather API with Express and Vercel
- How to Build a Weather API with Nitro and Vercel
- How can I enable CORS on Vercel?
- Hosting your API on Vercel
- Troubleshooting Vercel Cron Jobs