Steph Spector

Code by Zapier: Add custom code to your workflows

Code by Zapier is a built-in tool that lets you drop custom code—JavaScript or Python—directly into your Zap workflows. Learn how to set it up here.

Zapier SDK: Connect your code files to thousands of actions

With the Zapier SDK, you can give your AI coding agents governed access to 9,000+ apps, plus 3,000 additional ones via fetch.

The best integration SDKs in 2026

Every SDK in this article gives you authenticated access to external APIs without managing OAuth flows yourself. But they're built around different assumptions about who's doing what.

How Zapier can help you with valuemaxxing, not tokenmaxxing

Does your AI token spend cost more than whatever amount of money AI is saving you? Then it's time to rethink your approach. I'll show you how with Zapier.