Requestly
Product

Build & organize

Environments & VariablesDynamic VariablesGraphQL ClientSOAP & gRPC

Test & automate

Collection RunnerAPI Tests & AssertionsAI Test Case GeneratorRequestly CLI

Govern & secure

VaultTeam WorkspacesLocal ProjectsEnterprise Security

More tools

HTTP InterceptorFile ServerImport from PostmanAll features
PricingRequestly vs PostmanBlogDocsDownload

Download Requestly for Firefox

The free Requestly add-on for Mozilla Firefox. Modify headers, redirect, and mock APIs in your browser.

Free browser extension

Experience Requestly on Mozilla Firefox. Take control of your network requests, enhance web development, and fine-tune your browsing experience effortlessly.

Install for Firefox

By downloading and using Requeslty, I agree to the privacy policy and terms.

Firefox installation guide

  • Step-1

    Click On Continue to Installation to Install the extenstion.

  • Step-2

    Click on Add to add the extension.

  • Step-3

    Click on Okay to continue.

  • Step-4

    Open the app from browser’s toolbar.

Get Requestly for Firefox

Free, lightweight, and fast. Get started in under two minutes.

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