4
Bruno
Bruno is a Git-native API client for exploring and testing REST, GraphQL, gRPC, and WebSocket APIs.
Free planOpen sourceAPIExtensionLinuxmacOS
8.8From $6 a month
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5
Postman
Postman is a platform for designing, testing, distributing, documenting, and monitoring APIs.
Free planWebExtensionLinuxmacOS
8.4From $9 a month
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6
ReadyAPI
WebAPILinuxmacOS
8.3
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7
Testfully
Testfully is an API testing and monitoring platform with web, desktop and browser extension options.
Free planWebExtensionLinuxmacOS
8.3Free plan
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8
Insomnia
Insomnia is an API collaboration platform for designing, testing, debugging, mocking, and governing APIs.
Free planLinuxmacOSSelf-hostedWindows
7.9From $12 a month
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9
Altair GraphQL Client
Altair GraphQL Client is an IDE for running and debugging GraphQL queries, mutations, and subscriptions.
Free planWebExtensionLinuxmacOS
7.9From $7.99 a month
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10
Hoppscotch
Hoppscotch is a collaborative, open-source platform for creating, testing, documenting and sharing APIs.
Free planWebAPILinuxmacOS
7.8From $6 a month
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11
xh
xh is a free, open-source command-line client for sending HTTP requests, designed around a friendly request style and improved performance.
Free planOpen sourceAndroidLinuxmacOSWindows
7.8Free plan
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12
Kreya
Kreya is a desktop API client for exploring, testing, and automating API workflows.
Free planLinuxmacOSWindows
7.7Free plan
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13
Requestly
Requestly is a desktop API client with web access for building, organizing, documenting, and testing APIs.
LinuxmacOSWindows
7.6From $10 a month
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14
Thunder Client
Thunder Client is a REST API client that runs inside VS Code and JetBrains IDEs.
Free planExtensionLinuxmacOSWindows
7.5From $3 a month
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15
OpenReq
OpenReq is a free, community-driven API testing tool released under the MIT License.
Free planWebExtensionSelf-hostedWindows
7.4Free plan
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16
Yaak
Yaak is a local-first desktop API client for sending requests, debugging APIs, and organizing work with Git.
Free planLinuxmacOSWindows
7.4From $79 a year
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17
WhoisJSON API
Free planWebAPILinuxmacOS
7.1From $10 a month
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18
Hurl
Hurl is a free command-line tool for running HTTP requests written in a plain-text format.
Free planLinuxmacOSSelf-hostedWindows
7.0Free plan
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19
Chapar
Chapar is a free, open-source desktop API client for REST, gRPC, and GraphQL services on Linux, macOS, and Windows.
Free planLinuxmacOSWindows
7.0Free plan
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20
curl
Free planAndroidiOSLinuxmacOS
7.0Free plan
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21
httpYac
httpYac is a free tool for creating and running API requests through a VS Code extension or command-line interface.
Free planExtensionSelf-hosted
6.9Free plan
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22
grpcurl
grpcurl is a free command-line tool for interacting with gRPC servers and invoking RPC methods.
Free planLinuxmacOSSelf-hostedWindows
6.8Free plan
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23
Vegha
Vegha is a desktop API testing app with an included command-line tool.
Free planLinuxmacOSWindows
6.8Free plan
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24
API Dash
API Dash is a free, open-source API client for creating requests, examining responses, and producing integration code.
Free planiOSLinuxmacOSWindows
6.8Free plan
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25
GraphiQL
GraphiQL is a free, interactive in-browser IDE for GraphQL.
Free planWebSelf-hosted
6.8Free plan
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26
grpcui
grpcui is a free, open-source command-line tool for interacting with gRPC servers through a browser-based interface.
Free planWebLinuxmacOSSelf-hosted
6.8Free plan
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27
Insomnium
Insomnium is a local desktop API client for testing REST, GraphQL, WebSockets, server-sent events, and gRPC.
Free planLinuxmacOSSelf-hostedWindows
6.7Free plan
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28
RESTK
RESTK is a free desktop tool for building, testing, and debugging REST and GraphQL APIs on macOS and Windows.
Free planmacOSWindows
6.7Free plan
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29
Restfox
Restfox is a free, open-source client for testing HTTP and socket connections, designed for web and desktop use.
Free planWebExtensionLinuxmacOS
6.7Free plan
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30
NativeRest
LinuxmacOSWindows
6.7$199 one-time
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