@leonardchrist do any other actions work? Like IFTTT, Flow, Zapier, Spotify, Sonos, lights and so on?

@ap-iotbutton That means that TLS certificate validations are skipped, which should only be used for self-signed certificates that the system normally doesn't trust. Can you please tell me the domain name of the website you try to connect to, so we can check if a root certificate is missing?