API resources and articles

Agent Experience, defined

Samir Amzani · The Weekly Interface

How developer experience shapes agent performance and how to measure it.

MCP vs API

GJ · Apideck

Model Context Protocol (MCP) doesn't replace REST APIs - it's the AI orchestrati...

API Design Principles for the Agentic Era

GJ · Apideck

A growing share of API traffic is generated by AI agents. This post lays out how...

How to integrate the QuickBooks Invoice API in 2026

GJ · Apideck

Automating invoicing is one of the most common QuickBooks integrations. This gui...

An introduction to function calling and tool use

Engineering · Apideck

Learn about function calling and tool use in the context of AI agents and APIs. ...

API Trends for 2025: The Evolution of a Thriving Ecosystem

Samir Amzani

As we step into 2025, APIs are poised to drive the next wave of innovation acros...

It’s Time To Start Preparing APIs for the AI Agent Era

Engineering · Speakeasy

The software engineering world has always designed APIs with human developers in...

Exploring the Quickbooks Online Accounting API

Engineering · Apideck

In this article, you'll understand how the API works, how you can connect to it,...

A Guide to Integrating with the NetSuite SOAP API

Engineering · Apideck

In this article, you will learn about the complexities and pitfalls of integrati...

Extracting Employee Data with the BambooHR API

Engineering · Apideck

This article explains one possible way of using the BambooHR API to retrieve emp...

The future of GitHub's REST API with API versioning

Engineering · GitHub

We’re introducing calendar-based versioning for our REST API, so we can keep evo...

Careful about the GraphQL Burger 🍔

Marc-André Giroux

A while ago a tweet containing this image got pretty viral in the REST & GraphQL...

Improved REST API documentation

Rachael Sewell · GitHub

We’re excited to announce some big improvements to our REST API documentation. W...

Performance testing with k6

I started looking into API performance testing again recently. As part of delive...

The quest for the universal protocol: REST, XML, and GraphQL

Evan Weaver · Fauna

An exploration into the history of API formats and network RPC protocols, with a...

Enabling an API-first approach

Srinivas Jayanthi

An API-first approach means that any and all software development starts with a ...

Principles & Best practices of REST API Design

A complete diagram to easily understand REST API’s principles, methods, and best...

Top 5 file storage APIs to integrate with

Tom Schouteden · Apideck

Need to connect cloud storage providers to your application? Here are the Top 5 ...

Adopting the OpenAPI schema to generate Plaid’s SDKs

Stephen Jayakar · Plaid

This year, our team adopted an OpenAPI schema (OAS) as a specification for our A...

Defining Event-Driven Architectures - AsyncAPI

Amrut Prabhu

In this article, I am going to be talking about how we can define your event-dri...

How We Design Our APIs at Slack - Slack Engineering

Slack

More than five years ago, we launched the Slack Platform, giving developers an e...

Using JSON Schema Beyond Validation

Jonas Lagoni · AsyncAPI

What is JSON Schema, why is it important and why is it so hard to use beyond val...

An introduction to spec-driven API development

Tim Haselaar · Apideck

Historically, API design has been mainly implementation-driven. Nothing faster t...

Rate Limiting GraphQL APIs by Calculating Query Complexity

Guilherme Vieira · Shopify

GraphQL opens new possibilities for rate limiting. I’ll show you Shopify’s rate ...

Portman CLI 1.0 - Better API testing

Tim Haselaar · Apideck

Portman leverages the full power of OpenAPI specs and Postman Collections for AP...

Moving From High to Low Schema Entropy

Stephen Mizell

Entropy is concerned with the amount of thermal energy that is available for wor...

Why Show Users Garbage API Errors

Phil Sturgeon

What happens in your client application when an API error pops up beyond the com...

This is not the HTTP method you're looking for

Arnaud Lauret

When designing APIs, choosing HTTP status codes is not always that obvious and p...

Seeing API Endpoint Performance in Akita

Lukasz Gornicki

In this blog post, Mark Gritter talks about why API performance matters, how tra...

WebSocket, Shrek, and AsyncAPI - An Opinionated Intro

Lukasz Gornicki

This post is for the AsyncAPI community looking into the AsyncAPI spec because o...

The Business Value of API-First Design

Martin Gontovnikas · Auth0

In the mid-2010s, the acronym “API” graduated from a piece of technical jargon u...

Abstracting pagination across third-party APIs

Elias Meire · Apideck

Fragmented pagination styles are a challenge lots of developers have to cope wit...

Stripe’s payments APIs: the first ten years

Michelle Bu · Stripe

Abstracting away the complexity of payments has driven the evolution of our APIs...

Building SDKs for the future

Sid Maestre · Xero

The move to OAuth 2.0 opened up an opportunity to define a new path forward. We ...