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Building a Prompt Evaluation Habit Your Team Can Trust

You ran the prompt and the output looked good. It sounded confident and answered your question. Happy with its performance, you shipped it and also added it to the prompt library so the whole team…

  • Prompt evaluation ensures AI outputs meet expectations, not just intuition.
  • Treat AI prompts like code, test against real inputs and Definition of Done checklist.

What is an API? The waiter that connects all the software

You open the weather app and see the forecast for your city. That app doesn't have satellites, nor weather stations, nor a person looking out the window: it asks another system for the data.

  • Una API es un término tecnológico que conecta sistemas de software.
  • Al igual que un mesero, las APIs reciben solicitudes y entregan respuestas entre sistemas.
  • Las APIs tienen claves de acceso y límites de uso para controlar el acceso y el abuso.

How to Add Booking to a Next.js App With a REST API (2026)

Originally published on opencals.com . The original stays updated; check it for the latest version. Adding a booking page to a Next.js app looks like a weekend project until you start it.

  • Service catalog defines bookable items with details
  • Real-time availability manages slots and conflicts
  • Opencals API simplifies backend while controlling frontend

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