The Zapier Engineering Blog

You’ve probably seen software-as-a-service (SaaS) companies boast about integrations with other services. And for good reason–users love to connect their apps together. Behind the scenes, APIs and a little code make it possible to exchange data between services. Sometimes these integrations increase signups and often they’ll decrease churn...

You just received an email from an angry developer. Something is wrong in your documentation, and the developer just spent hours figuring it out. Now it's your turn to update the documentation and figure out how to avoid those issues in the future. But how?

It’s hard to...

Most APIs deliver their responses the exact same way to every client. That’s by design; developers need to know what to expect.

There are plenty of circumstances where what’s returned is not quite what a developer wants, though. Some APIs provide flexibility in the types and amount of...

Around four years ago, a college student named Ryan Seys received a challenge from a friend. It was not your typical collegiate dare. Ryan’s friend instead suggested they both attempt to commit public code to GitHub for 30 days straight. The friend just made it a week, but Ryan...

How many introverted programmers does it take to tell a light bulb joke? One. It does not have to be a group activity, and the other can check for off-by-one errors.

In addition to being witty, this programming joke also represents the classic stereotype of the introverted programmer. It might...

In the last 10 years, APIs have gone from nice-to-have to must-have, certainly for Software-as-a-Service (SaaS) applications. At the same time, users today are more impatient and expect more instant and interconnected apps. To answer user needs, developers are now adding webhooks to their APIs. Webhooks are the mechanism through...

We really love APIs. They're what power Zapier, and many of our team have been built and supported them throughout our careers.

Yet, keeping up on such a rapidly-changing topic as APIs can be a daunting task. There's no best API trade magazine to keep in your lobby...

Everybody likes pie, right? There are many kinds of pie to choose from, you would think every pie would get eaten. Yet, every day many pies go uneaten, which is undeniably sad for the many who would want to eat that pie.

But this post is about APIs. Like pie...

This article originally appeared as a guest post on StackShare.io.

Zapier is a web service that automates data flow between over 500 web apps, including MailChimp, Salesforce, GitHub, and Trello.

Imagine building a workflow (or a "Zap" as we call it) that triggers when a user fills out your...

At Zapier, we make a lot of outbound API requests. Almost 500 per second, to be exact. That means we spend a long time waiting for those APIs to get back to us—particularly if a popular service is experiencing issues. In fact, if you were to add up all...