Apidog is an API platform for designing, debugging, mocking, testing, and documenting APIs, with GraphQL and SOAP support.
Alternatives to Restfox
Bruno is a Git-native API client for exploring and testing REST, GraphQL, gRPC, and WebSocket APIs.
Postman is a platform for designing, testing, distributing, documenting, and monitoring APIs.
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Testfully
Testfully is an API testing and monitoring platform with web, desktop and browser extension options.
Free planWebExtensionLinuxmacOS8.2From $10 a month - 5
Firecamp
Firecamp is a multi-protocol API platform for developers, with playgrounds for REST, GraphQL, WebSocket, and SocketIO APIs.
Free planWebLinuxmacOSSelf-hosted8.1From $4,959 a month - 6
Altair GraphQL Client
Altair GraphQL Client is an IDE for running and debugging GraphQL queries, mutations, and subscriptions.
Free planWebExtensionLinuxmacOS7.9Free plan - 7

Hoppscotch
Hoppscotch is a collaborative, open-source platform for creating, testing, documenting and sharing APIs.
Free planWebAPILinuxmacOS7.8From $6 a month - 8
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 sourceAndroidLinuxmacOSWindows7.8Free plan - 9

Insomnia
Insomnia is an API collaboration platform for designing, testing, debugging, mocking, and governing APIs.
Free planLinuxmacOSSelf-hostedWindows7.7From $12 a month - 10
Kreya
Kreya is a desktop API client for exploring, testing, and automating API workflows.
Free planLinuxmacOSWindows7.7From $5 a month - 11

Requestly
Requestly is a desktop API client with web access for building, organizing, documenting, and testing APIs.
LinuxmacOSWindows7.5From $10 a month - 12

OpenReq
OpenReq is a free, community-driven API testing tool released under the MIT License.
Free planWebExtensionSelf-hostedWindows7.4Free plan - 13

Thunder Client
Thunder Client is a REST API client that runs inside VS Code and JetBrains IDEs.
Free planExtensionLinuxmacOSWindows7.4From $3 a month - 14
HTTPie
HTTPie is an API client for building and testing requests to APIs, HTTP servers, and web services.
Free planWebLinuxmacOSWindows7.3Free plan - 15

Yaak
Yaak is a local-first desktop API client for sending requests, debugging APIs, and organizing work with Git.
Free planLinuxmacOSWindows7.3From $6.58 a month - 16

SoapUI
SoapUI is an open-source tool for testing REST, SOAP and GraphQL web services.
Free planLinuxmacOSSelf-hostedWindows7.2Free plan - 17

WhoisJSON API
Free planWebAPILinuxmacOS7.1From $10 a month - 18

Chapar
Chapar is a free, open-source desktop API client for REST, gRPC, and GraphQL services on Linux, macOS, and Windows.
Free planLinuxmacOSWindows7.0Free plan - 19

Hurl
Hurl is a free command-line tool for running HTTP requests written in a plain-text format.
Free planLinuxmacOSSelf-hostedWindows6.9Free plan - 20

httpYac
httpYac is a free tool for creating and running API requests through a VS Code extension or command-line interface.
Free planExtensionSelf-hosted6.9Free plan - 21

curl
Free planAndroidiOSLinuxmacOS6.9Free plan - 22

Vegha
Vegha is a desktop API testing app with an included command-line tool.
Free planLinuxmacOSWindows6.8Free plan - 23

API Dash
API Dash is a free, open-source API client for creating requests, examining responses, and producing integration code.
Free planiOSLinuxmacOSWindows6.8Free plan - 246.8Free plan
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grpcui
grpcui is a free, open-source command-line tool for interacting with gRPC servers through a browser-based interface.
Free planWebLinuxmacOSSelf-hosted6.8Free plan - 26
grpcurl
grpcurl is a free command-line tool for interacting with gRPC servers and invoking RPC methods.
Free planLinuxmacOSSelf-hostedWindows6.7Free plan - 27
Insomnium
Insomnium is a local desktop API client for testing REST, GraphQL, WebSockets, server-sent events, and gRPC.
Free planLinuxmacOSSelf-hostedWindows6.7Free plan - 28

RESTK
RESTK is a free desktop tool for building, testing, and debugging REST and GraphQL APIs on macOS and Windows.
Free planmacOSWindows6.7Free plan - 29

NativeRest
LinuxmacOSWindows6.7From $199 a month - 30

ReadyAPI
Web6.6


