Open source
Insomnia
Open source desktop client for testing HTTP, GraphQL and gRPC APIs
API ClientsOpen source API client
Alternatives to Apidog
12 tools like Apidog, chosen by what they do. About Apidog
Curated
Requestly
Desktop API client with local projects, mocks and Postman import
API ClientsIntercept and mock requests
Freemium
Open source
HTTPie
Friendly command-line and desktop client for testing HTTP APIs
API ClientsFriendly HTTP clientInactive
Freemium
Thunder Client
Fast REST and GraphQL API client for VS Code and JetBrains IDEs
API ClientsLightweight VS Code API client
Open source
Hoppscotch
Open source web app for building and testing API requests
API ClientsOpen source API tester
Open source
Yaak
Local-first desktop API client that stores requests as files in Git
API ClientsFast desktop API client
Freemium
Stoplight
Visual platform for designing, documenting and mocking OpenAPI
API DesignAPI design and docs platform
Open source
Open source
Step CI
Open source API testing framework with YAML workflows and CI support
Mocking TestingAPI testing and monitoringInactive
Freemium
Beeceptor
Hosted mock server builder for REST, SOAP, GraphQL and gRPC APIs
Mocking TestingHosted mock APIs
Open source
OpenAPI
Open standard for describing HTTP APIs in a machine-readable way
API DesignThe OpenAPI standard