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API Tester is the first mobile app to test any type of API on the go. Including REST, GraphQL, WebSocket, SOAP, JSON RPC, XML, HTTP, HTTPS.Main features:- All types of HTTP requests: GET, POST, PUT, PATCH, DELETE, HEAD, OPTIONS, COPY, LINK, UNLINK, PURGE, LOCK, UNLOCK, PROPFIND, VIEW.- Powerful GraphQL editor with full-scale experience: body editor with Queries, Mutations, Subscriptions and syntax support; variables editor; documentation explorer; request settings and metadata.- WebSocket testing tool. Handles connection and message exchange via WS or WSS.- API calls with any kind of request data encoding and transfer type (query params, URLEncoded params, FormData, raw data, send files from device storage, cloud, remote server).- Settings. TLS can be skipped, redirects can be disabled, timeouts are adjustable. Weak SSL verification can be enabled and replaced with self-signed certificate.- Import request or collection by curl, link or file from your device. And naturally, there is any type of collection for you: Swagger, OpenAPI, Postman, YAML.- Need to share request in seconds? One tap and done. Deep link and cURL command supported.- Apple Watch app. Allows to send API requests directly from your wrist.- Integrations: Shortcuts, Widgets.Additional little things:- Autocomplete for most common headers keys.- Syntax highlighting; Auto formatting.- Optimized for viewing on any device screen. - Cookies. Collect, edit, create.- Request metrics. Measure request duration, response size, status code changing.- History of all request calls.- Request authorisation. Basic Auth with password and username. OAuth with header or query access token.