API Tester

API Tester is the first mobile application that allows you to test any type of API anytime, anywhere. Test REST, GraphQL, WebSocket, SOAP, JSON RPC, XML, HTTP, and HTTPS APIs completely free on iOS or Android. The API Tester app comes with the following features: - Supports any HTTP request: GET, POST, PUT, PATCH, DELETE, HEAD, OPTIONS, COPY, LINK, UNLINK, PURGE, LOCK, UNLOCK, PROPFIND, VIEW. - Features a powerful GraphQL editor with comprehensive functionality, including a body editor with support for queries, mutations, subscriptions, and syntax highlighting. - Requests or collections can be imported from the device via cURL, links, or files. Supports Swagger, OpenAPI, Postman, and YAML collections. - Supports API calls with any type of request data encoding and transfer type (query parameters, URLEncoded parameters, FormData, raw data). - Advanced settings include skipping TLS, disabling redirects, and adjusting timeouts. Weak SSL validation can be enabled, and self-signed certificates can be used. - Additional features to enhance user experience: variable editor, documentation browser, request settings, and more. - Option to send files from device storage, the cloud, or a remote server. - WebSocket testing tool for handling connections and message exchanges via WS or WSS. - Work optimization features such as autocomplete for common header keys, syntax highlighting, auto-formatting, and more. - Easily collect, edit, and create cookies within the app. - Track request metrics, including request duration, response size, and status changes. - All request call history is saved on your device. - Compatible with any iOS or Android device and optimized for viewing on any screen size. - Shortcuts, widgets, and an Apple Watch app are available for iOS. API Tester has all the features you need to get everything done right from your phone—and the best part is, it's free!

API Tester is a free mobile application designed for testing various APIs anytime, anywhere. It supports multiple API types including REST, GraphQL, and WebSocket, offering comprehensive testing capabilities.