RESTer Alternatives

RESTer is described as 'A REST client for almost any web service (Firefox and Chrome extension)' and is a API Client in the web browsers category. There are more than 25 alternatives to RESTer for a variety of platforms, including Mac, Windows, Linux, Online / Web-based and Google Chrome. The best alternative is Postman, which is free. Other great apps like RESTer are Insomnia REST Client, RapidAPI for Mac, HTTPie for Terminal and Hoppscotch.

RESTer 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 RESTer.

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RESTer

Free • Open Source
API Client

Mac
Windows
Linux
Google Chrome
Firefox

A REST client for almost any web service (Firefox and Chrome extension).

Learn more about RESTer

Postman
Is this a good alternative?
Yes
No
Freemium • Proprietary
API Client
HTTP Client
Mac
Windows
Linux
Online
Chrome OS
Google Chrome
Flathub
Flatpak
57 alternatives to Postman
Postman is a tool that facilitates the development and use of APIs. Postman provides all the functionality needed to create or simulate API specifications and use the Postman Collection Runner to create tests.
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Postman Features
REST API
Development API
API Management
Graphical User Interface
SOAP API
CI/CD
Insomnia REST Client
Is this a good alternative?
Yes
No
Freemium • Open Source
HTTP Client
API Client
Mac
Windows
Linux
46 alternatives to Insomnia REST Client
A powerful REST API Client with cookie management, environment variables, code generation, and authentication for Mac, Window, and Linux.
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Insomnia REST Client Features
1. LightweightInsomnia REST Client consumes less device resources compared to similar apps.
2. Cloud SyncSync your data (notes, documents, bookmarks, etc.) across your different devices and to the cloud.
Request Chaining
Import Curl commands
REST API
GraphQL
REST Client
Support environment variables
API Management
Separated workspaces
GraphQL integration
Image Preview
RapidAPI for Mac
Is this a good alternative?
Yes
No
Freemium • Proprietary
API Client
HTTP Client
Mac
35 alternatives to RapidAPI for Mac
RapidAPI for Mac (formerly Paw) is a full-featured HTTP client that lets you test and describe the APIs you build or consume. It has a beautiful native macOS interface to compose requests, inspect server responses, generate client code and export API definitions.
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RapidAPI for Mac Features
Html parsing
Request Chaining
HTTPie for Terminal
Is this a good alternative?
Yes
No
Free • Open Source
HTTP Client
API Client
Mac
Windows
Linux
Python
FreeBSD
24 alternatives to HTTPie for Terminal
HTTPie (pronounced aitch-tee-tee-pie) is a command line HTTP client. Its goal is to make CLI interaction with web services as human-friendly as possible. It provides a simple http command that allows for sending arbitrary HTTP requests using a simple and natural syntax, and...
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HTTPie for Terminal Features
1. Command line interfaceHTTPie for Terminal either have CLI support or is a CLI-only app.
REST API
API Management
Web Testing
Hoppscotch
Is this a good alternative?
Yes
No
Free • Open Source
HTTP Client
API Client
HTTP(S) Debugger
Online
Self-Hosted
45 alternatives to Hoppscotch
Hoppscotch is an open-source API development ecosystem. It helps you create your requests faster, saving you precious time on your development.
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Hoppscotch Features
1. Ad-freeHoppscotch doesn't contain any form of external advertising.
2. Command line interfaceHoppscotch either have CLI support or is a CLI-only app.
3. LightweightHoppscotch consumes less device resources compared to similar apps.
REST API
Websocket streams
GraphQL API
Cross browser testing
soapUI
Is this a good alternative?
Yes
No
Free • Open Source
API Client
HTTP Client
Mac
Windows
Linux
53 alternatives to soapUI
Eviware, the maker of soapUI, Web Service Testing Leader

soapUI is a tool for functional testing, mainly of web services like SOAP based web services and RESTful web services, but also HTTP based services and JMS Services as well as databases. soapUI is an open source and compl.
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soapUI Features
Intuitive Nodes
Advanced REST Client
Is this a good alternative?
Yes
No
Free • Open Source
API Client
HTTP Client
Mac
Windows
Linux
Chrome OS
Google Chrome
Chromium
AppImageHub
47 alternatives to Advanced REST Client
API testing tool. Which allows web developers to create and test custom HTTP requests.
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Advanced REST Client Features
Full headers control
Electron based
Web tool
REST API
Sync with Google Drive
REST Client
API Testing
HTTPie for Web & Desktop
Is this a good alternative?
Yes
No
Free • Proprietary
HTTP Client
API Client
Online
Windows
Linux
Mac
Electron / Atom Shell
16 alternatives to HTTPie for Web & Desktop
All the user-friendliness of our Terminal version, now wrapped up in a sleek graphical interface.
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HTTPie for Web & Desktop Features
Graphical User Interface
REST API
GraphQL
Import Curl commands
restclient.el
Is this a good alternative?
Yes
No
Free • Open Source
HTTP Client
API Client
Mac
Windows
Linux
GNU Emacs
38 alternatives to restclient.el
This is a tool to manually explore and test HTTP REST webservices. Runs queries from a plain-text query sheet, displays results as a pretty-printed XML, JSON and even images.
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restclient.el Features
REST API
REST Client
Variables
Web Testing
API Testing
Stoplight
Is this a good alternative?
Yes
No
Freemium • Open Source
API Client
Mac
Windows
Linux
Online
29 alternatives to Stoplight
Stoplight is an API Design, Development, and Documentation platform that enables consistency, reusability, and quality, all with an easy, enjoyable developer experience.
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Stoplight Features
API Management