Requestly Vs Modheader

ModHeader feels limiting? You’re not the only one!

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Requestly it’s more than just header modification

Unlike ModHeader, Requestly is an ad-free, open-source dev tool built for real developers and QA teams. It intercepts, modifies, and mocks HTTPs traffic in real time, both in-browser and on your desktop apps.

Fast & Powerful

Designed to work quickly and smoothly.

One-click import

Import your settings easily with just one click.

Enterprise-grade

Trusted by teams and businesses for secure, and scalable workflows.

24/7 Expert help

Always here to help, get expert support anytime

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Compare with ModHeader

HTTP Header modifications are free in Requestly. Claim 1 yr free Requestly pro plan for other modifications. (save ~$10k)

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Why choose Requestly over Modheader

Requestly is a modern, open-source, browser-first tool that goes beyond header editing, no complex setup, no trust issues, and packed with features for both developers and teams.

No ads, No Spam, and We’re Open Source

Requestly puts privacy first with its “No ads, No Spam, Open Source” approach. The open-source nature of Requestly allows for greater transparency strengthening trust in how the tool handles your information.

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Forever Free HTTP Header Modifications

Requestly offers free, HTTP header modification, comparable to ModHeader's free plan.

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Gentle Learning Curve

Requestly is designed from bottom up to maintain a shallow learning curve. Moreover a detailed documentation, interactive guides make you a power user from Day 1.

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Simple, Fast & Powerful than ModHeader

Requestly has a clean, easy-to-use interface designed by UX experts. You can use it as a browser extension or a desktop app, and it works on all major platforms - Chrome, Firefox, Safari, Edge, Brave, Opera, Vivaldi, Windows, Mac (both Apple & Intel chips), and Linux.

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Collaboration & 1-Click Sharing

Promote consistency and accelerate development by sharing Requestly rules within your team.

Popular Use Cases

Modify/ Bypass CORS

Bypass CORS errors during development by modifying response headers locally, without changing anything on the server.

Import rule Read More ->

Set Authorization Header

Inject auth tokens into request headers to test APIs without logging in or changing your code.

Import rule Read More ->

Modify Cookie Header

Add, modify, or remove Cookie headers in requests to fake sessions, test edge cases, or debug issues, no need to touch your browser storage.

Import rule Read More ->

ModHeader vs Requestly — detailed comparison

Features	ModHeader	Requestly
No Ads, No Spam
Open Source
Modify HTTP Headers
Modify API Response
Modify URL
GraphQL Support
Inject Scripts
Page Level Filters
Collaboration
Mock server
API client
Enterprise-Ready
Support

Built for teams

Effortless team collaboration

Share instantly, sync effortlessly, and collaborate effectively with your team in dedicated workspaces.

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Quick One time sharing

Instantly generate and share a link to your rules and more

Team workspaces

Collaborate easily with teammates in a shared workspace.

Export data & sync to Git

Easily version-control your configs by exporting and syncing

Secure and private

Enterprise-ready security and compliance

Requestly ensures top-tier security with SOC-II compliance, SSO integration, and role-based access control. We protect your data and secure your workflows, making us the ideal choice for enterprises.

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SOC-II Compliance

Adheres to rigorous security standards for data protection and privacy.

Single Sign-On (SSO)

Simplifies user access with secure, centralized authentication.

Role-based access control

Ensures precise control over user permissions and data access.

Data encryption

Protects your data in transit and at rest with advanced encryption protocols.

Audit logs

Protects your data in transit and at rest with advanced encryption protocols.

Regular security updates

Keeps your environment secure with timely updates and patches.

Frequently Asked Questions

There are frequently asked questions related to Requestly

What is Requestly and how is it different from ModHeader ?

Requestly is a powerful HTTP interception and mocking tool that lets you intercept, record, and mock HTTP requests on the fly. While ModHeader is limited to modifying headers, Requestly goes much further, allowing you to redirect URLs, override API responses, inject scripts, block requests, and collaborate with your team using a modern UI.

Is Requestly more secure than ModHeader?

Yes. Requestly is designed with enterprise-grade security in mind, including features like role-based access control (RBAC), single sign-on (SSO), and SOC 2 compliance. ModHeader is a basic browser extension with minimal security features and limited control over your data.

Is Requestly open-source

Feel free to check out the GitHub repo

Is Requestly free to use ?

Yes. Requestly offers a Free plan with essential features like unlimited header rules and standard HTTP modifications, perfect for getting started.

Does Requestly offer an enterprise plan?

Yes. Requestly offers an Enterprise Plan built for larger teams and organizations that need full control and compliance. It includes unlimited usage, API access, SSO & SAML, GDPR and SOC 2 compliance, user access management, SLAs for support and uptime, invoice-based billing, and priority support via Slack Connect, Email, and Chat.

Is Requestly free for students?

Yes! Requestly is free for students, enjoy access to powerful tools and features with no cost.

Why are my response header modifications not visible in the browser’s dev tools?

Response header modifications done by Requestly are not always visible in the browser’s dev tools, but rest assured, they are being applied correctly. You can verify it by inspecting the network traffic through Requestly itself.

Why Aren’t My Requestly Rules Working?

Rule not working doc

How do I modify headers using Requestly?

Learn more about modify header rule

Can I apply header modifications to specific HTTP methods (GET, POST, etc.)?

Yes, you can apply header modifications to specific HTTP methods by specifying the method condition within the rule settings. This ensures that headers are modified only for requests of certain types. For a detailed guide,.

Check our advance filters

Can I import my ModHeader settings directly into Requestly?

Yes, Requestly supports one-click migration to seamlessly import your ModHeader settings, making the transition quick and easy.

Import from ModHeader.

Fast & Powerful

One-click import

Enterprise-grade

24/7 Expert help

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