HTTP Clients

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cURL
Free • Open Source
HTTP Client
FTP Client
Mac
Windows
Linux
BSD
Cygwin
Haiku
26 alternatives to cURL
cURL is a computer software project providing a library and command-line tool for transferring data using various protocols with URL syntax: supporting FTP, FTPS, SCP, SFTP, HTTP, HTTPS, TFTP, TELNET, DICT, LDAP, LDAPS and FILE.
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cURL Features
1. Command line interfacecURL either have CLI support or is a CLI-only app.
2. PortablecURL can be used from a USB stick or similar with no prior installation.
3. LightweightcURL consumes less device resources compared to similar apps.
Data transfer
Top 3 alternatives
Postman
Freemium • Proprietary
API Client
HTTP Client
Mac
Windows
Linux
Online
Chrome OS
Google Chrome
Flathub
Flatpak
58 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
CI/CD
SOAP API
Top 3 alternatives
Insomnia REST Client
Freemium • Open Source
HTTP Client
API Client
Mac
Windows
Linux
47 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
REST API
Import Curl commands
GraphQL
REST Client
API Management
Separated workspaces
Support environment variables
Code generation
Configurable request timeout
Top 3 alternatives
Hoppscotch
Free • Open Source
HTTP Client
API Client
HTTP(S) Debugger
Online
Self-Hosted
46 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
Top 3 alternatives
RapidAPI for Mac
Freemium • Proprietary
API Client
HTTP Client
Mac
36 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
Top 3 alternatives
HTTPie for Terminal
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
Top 3 alternatives
soapUI
Free • Open Source
API Client
HTTP Client
Mac
Windows
Linux
54 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
Top 3 alternatives
Advanced REST Client
Free • Open Source
API Client
HTTP Client
Mac
Windows
Linux
Chrome OS
Google Chrome
Chromium
AppImageHub
48 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
Top 3 alternatives
xh
Free • Open Source
HTTP Client
API Client
Download Manager
Mac
Windows
Linux
BSD
18 alternatives to xh
xh is a friendly and fast tool for sending HTTP requests. It reimplements as much as possible of HTTPie's excellent design, with a focus on improved performance.
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xh Features
1. Command line interfacexh either have CLI support or is a CLI-only app.
2. Lightweightxh consumes less device resources compared to similar apps.
REST Client
Web Testing
REST API
Support for Unicode
Data transfer
Top 3 alternatives
HTTPie for Web & Desktop
Free • Proprietary
HTTP Client
API Client
Online
Windows
Linux
Mac
Electron / Atom Shell
17 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
Top 3 alternatives
restclient.el
Free • Open Source
HTTP Client
API Client
Mac
Windows
Linux
GNU Emacs
39 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
Top 3 alternatives
Restfox
Free • Open Source
HTTP Client
API Client
Online
Linux
Mac
Windows
Docker
47 alternatives to Restfox
Offline-first web HTTP client.
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Restfox Features
1. Dark ModeRestfox supports dark mode for comfortable usage in low light conditions.
2. PortableRestfox can be used from a USB stick or similar with no prior installation.
REST API
API Testing
GraphQL integration
REST Client
Top 3 alternatives
kurly
Free • Open Source
Download Manager
HTTP Client
Mac
Windows
Linux
16 alternatives to kurly
kurly is a tool to transfer data from a HTTP(S) server, similar to curl.
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kurly Features
1. Command line interfacekurly either have CLI support or is a CLI-only app.
2. Ad-freekurly doesn't contain any form of external advertising.
Add a screenshot
Top 3 alternatives
Curlie
Free • Open Source
HTTP Client
API Client
Download Manager
Mac
Windows
Linux
BSD
20 alternatives to Curlie
If you like the interface of HTTPie but miss the features of curl, curlie is what you are searching for. Curlie is a frontend to curl that adds the ease of use of httpie, without compromising on features and performance.
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Curlie Features
1. Command line interfaceCurlie either have CLI support or is a CLI-only app.
REST API
REST Client
Web Testing
Data transfer
Top 3 alternatives
API Test Base
Free • Proprietary
API Client
HTTP Client
Mac
Windows
Linux
21 alternatives to API Test Base
API test automation tool that has GUI, supports HTTP stubs (mock services), data driven testing, and API types beyond HTTP, such as relational database, JMS, FTP(s), AMQP, MQTT, etc.
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API Test Base Features
API Testing
REST Client
Software Testing Tool
Test automation
Database Testing
HTTP Testing
Top 3 alternatives

cURL Features

Top 3 alternatives

Postman Features

Top 3 alternatives

Insomnia REST Client Features

Top 3 alternatives

Hoppscotch Features

Top 3 alternatives

RapidAPI for Mac Features

Top 3 alternatives

HTTPie for Terminal Features

Top 3 alternatives

soapUI Features

Top 3 alternatives

Advanced REST Client Features

Top 3 alternatives

xh Features

Top 3 alternatives

HTTPie for Web & Desktop Features

Top 3 alternatives

restclient.el Features

Top 3 alternatives

Restfox Features

Top 3 alternatives

kurly Features

Top 3 alternatives

Curlie Features

Top 3 alternatives

API Test Base Features

Top 3 alternatives