API Tester funktioniert nicht

Including REST, GraphQL, WebSocket, SOAP, JSON RPC, XML, HTTP, HTTPS. - 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.  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.  Measure request duration, response size, status code changing. - Request authorisation.  Allows to send API requests directly from your wrist. - Request metrics.  Deep link and cURL command supported. - Apple Watch app.  API Tester is the first mobile app to test any type of API on the go.  TLS can be skipped, redirects can be disabled, timeouts are adjustable.  Basic Auth with password and username.  OAuth with header or query access token.