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Modify Headers in HTTP(s) Requests and Responses
The ability to modify headers is a great tool for developers. It empowers them with great debugging capabilities.
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Product
Web Debugger
Lightweight Web Debugging Proxy to Modify HTTPs Request & Response
API Client
Web-based API client for modifying and testing APIs.
Mock Server
Generate custom API responses without actually having a pre-built API or a backend server
Session Replay
Debug your web apps faster with record & replay user sessions
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For Browsers
For Mac, Windows & Linux
Pricing
Docs
Blog
Product
Web Debugger
Lightweight Web Debugging Proxy to Modify HTTPs Request & Response
Android Debugger
Access all the app Internals like API requests, analytics events, app logs directly on the device.
Mock Server
Generate custom API responses without actually having a pre-built API or a backend server
Session Recording
Data rich bug reporting with Network logs, Console logs, Session Video & env details.
Download
For Browsers
For Mac, Windows & Linux
Pricing
Docs
Blog
WE'RE OPEN SOURCE
Modify HTTP(s) Request & Response Headers
Add, Delete, Override Request & Response Headers. Can be used to remove X-Frame-Options, Content-Security-Policy, CORS Issues, etc.
Manage Content-Security-Policy
Remove or Update the Content-Security-Policy HTTP header to enable script injection or third-party loading scripts on live sites. Read More
Handle CORS Issues
Set/Update CORS Response headers with proper values to fix the CORS Issues in your local development & testing.
Insert Custom Headers
Insert custom HTTP request headers (e.g. x-userId) on your API endpoints
X-Frame-Options
Remove the X-Frame-Options response header on sites to enable embedding in Iframe. Read More
1-Click Sharing
After creating the rules, you can share the rules with your teammates in a Single click using the SharedList feature. Read More
Selenium & Cypress Integration
You can use Requestly in your automation testing with Selenium & Cypress frameworks.
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Application and Use Cases
Here's how you can use Requestly's Modify Headers feature in your daily workflow
Add , remove & override HTTP headers
You can add, override and even remove headers from the URL provided. Modify headers like Authorization, Access-Control-Allow-Origin, etc.
Modify based on URL
Configure the criteria of URL on which the rules applies. Options like if the URL contains, equals or matches regex.
Auto suggest header names
Requestly will suggest header names to ease your journey.
Add multiple conditions to modify headers
Add multiple conditions in a rule to match any preferred use case.
Requestly on Web
Explore real workflows that save companies time, eliminate old tools, and bring peace of mind.
Prevent browser downloading images
When a web server sends an unknown MimeType to browsers, browsers automatically download the files as they are unable to understand how to parse and render the response
Read Article
Open a website in an iframe
Often companies add a header to their website so that the browser will refuse to open the page within an i-frame. But using Requestly, you can implement a work-around.
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More Awesome Features
A complete HTTP debugging software that works in your browser, simple & fast.
Redirect URLs (Map Remote)
Redirect a request URL (or matching pattern) to another URL.
Modify Response
Test edge cases in your app by simulating API responses
Insert Custom Script
Allows you to automate, scrape & change webpage's behaviour with little knowledge of JS & CSS.
Cross device testing
Check how your site looks on multiple devices, browsers, dimensions etc
Modify Query Params
Edit Content-Type, Status Code, and Body of the Response on our Server.
Block Network Requests
Block requests, websites by specifying keywords or entire URL.
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Delay Request Rule
Delay requests by specifying keywords or entire URL.
