Postman Alternatives for Firefox

Postman is not available for Firefox but there are a few alternatives with similar functionality. The best Firefox alternative is Requestly, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Postman and three of them are available for Firefox so hopefully you can find a suitable replacement. Other interesting Firefox alternatives to Postman are RESTer and Resting.

Postman alternatives are mainly API Clients but may also be HTTP Clients or HTTP(S) Debuggers. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Postman.

165

Freemium • Proprietary
API Client

Postman is a tool that facilitates the development and use of APIs. Postman provides all the functionality needed to create...

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Requestly
Is this is a good alternative?
Yes
No
Freemium • Open Source
HTTP(S) Debugger
Web Debugger
Mac
Windows
Linux
Online
Microsoft Edge
Google Chrome
Software as a Service (SaaS)
Selenium
Firefox
24 Requestly alternatives
Requestly is a lightweight proxy available as a browser extension & desktop app to intercept & modify network requests. Using Requestly you can Modify Headers, Redirect Url, Mock API response, Delay/Throttle requests, etc.
- - Requestly is the most popular SaaS alternative to Postman.
Suggest and vote on features
Requestly Features
1. LightweightRequestly consumes less device resources compared to similar apps.
Intercepting HTTP calls
Requests monitoring
Bug reporting
One click interception
Traffic Monitoring
Desktop Application
RESTer
Is this is a good alternative?
Yes
No
Free • Open Source
API Client
HTTP Client
Mac
Windows
Linux
Google Chrome
Firefox
41 RESTer alternatives
A REST client for almost any web service (Firefox and Chrome extension).
Suggest and vote on features
RESTer Features
1. Command line interfaceRESTer either have CLI support or is a CLI-only app.
Project Organization
API Management
Variables
Comments about RESTer as a Alternative to Postman
Almost everyone thinks RESTer is a great Postman alternative.
Guest
Amazing interface, integrates very well in Firefox, prettyfies the code… What else?
Positive comment •
1
Resting
Is this is a good alternative?
Yes
No
Free • Open Source
HTTP Client
Mac
Windows
Linux
Google Chrome
Chromium
Firefox
19 Resting alternatives
browser web-extension to test and analyze HTTP requests.
Suggest and vote on features
Resting Features
REST Client

3 of 3 Postman alternatives

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