URL to invoke the API pointing to the stage, e.g., wss://z4675bid1j.execute-api.eu-west-2.amazonaws.com/example-stage, or https://z4675bid1j.execute-api.eu-west-2.amazonaws.com/
wss://z4675bid1j.execute-api.eu-west-2.amazonaws.com/example-stage
https://z4675bid1j.execute-api.eu-west-2.amazonaws.com/