Best Practices: The Anatomy of a Great Error Message

In API development, we often focus on the “happy path,” ensuring our integrations work perfectly when everything goes right. But the true measure of a professional, production-grade API is how it behaves when things go wrong. An error message is more than just a notification of failure; it is a critical diagnostic tool that can mean the difference between a five-minute fix and a five-hour investigation, especially in a live production environment. ...

September 10, 2025 · 6 min · Patryk Bandurski

Designing GET for a Single Resource in REST APIs

In REST APIs, we often need to get a single resource. In this article, we explore how to structure those GET requests properly. 🧍‍♂️ Get a Single Account by ID To get one specific account, use: /accounts/{id} Example: /accounts/adoe This will return the account with ID adoe. You can apply the same idea to other resources, like: /applications/872233 🧠 Get Resource(s) by Field Value Sometimes you want to retrieve a resource or a small list of resources based on a specific field, like email or region. Instead of creating multiple endpoints, use query parameters. ...

March 22, 2025 · 2 min · Patryk Bandurski

Designing GET for Collections in REST APIs

When designing APIs, the GET method is one of the most commonly used HTTP methods. It’s used to retrieve data, either as a full list or a single resource. In this article, we focus on getting collections of resources. 🔍 Use Case Let’s say we’re building a service that allows users to manage accounts. We want to allow users to: List all accounts 📄 Designing the Endpoint Use a plural noun for the resource name: ...

March 20, 2025 · 2 min · Patryk Bandurski