Debugging CORS Issue with Lea Verou
Learn how we helped Lea Verou debug a tricky CORS issue using Requestly. See how to solve CORS errors quickly and efficiently.
How to create Rules to Modify HTTP Requests in Chrome & Safari
Learn about the different rule types in Requestly and how they can be used to modify HTTP requests for testing, development, and more
GET vs POST vs PUSH HTTP Methods
HTTP has many features and benefits that help moderate the entirety of the World Wide Web. Wonder what makes it such a huge deal? Let's dive in.
How to replace production JS with the one hosted on Github
Discover how to securely replace production JS with JavaScript hosted on GitHub using Requestly.
February 2023 Product Updates
Learn about all the Requestly updates from February 2023: open-sourcing, revamped help guides, improved team workspace, and upcoming GraphQL support.
Comparing the best API clients Hoppscotch vs Postman vs Requestly
Compare top API clients: Hoppscotch, Postman, and Requestly. Discover key features, pros, and cons of each tool to find best fit for your API development needs
How Postman Web handles CORS?
Learn how Postman Web handles CORS by routing requests through its own server. We also discuss a more secure alternative.
How to block domains using Requestly
Learn how to block unwanted domains using Requestly to improve browsing speed, privacy, and control.
How to load local JS files on live Production sites
Useful in debugging JS production bugs or testing local changes before shipping code to production.
How to Map Local (File)
Learn how to use Requestly's Map Local feature to serve local files for testing and development, speeding up your workflow.
How to pin rules in Requestly
You can pin rules in Requestly and access them from anywhere using Chrome toolbar. You can toggle the status of pinned rules directly from the toolbar.
How to set up requestly on Firefox using WebExtensionAPI
Learn how to develop and run Requestly on Firefox with this comprehensive guide using Webextensions API Firefox. Step-by-step instructions for development