Hi Helkmann, while sending emails, Send Message API v2 and Send Node both accept public URLs for attachments. It should be a direct URL pointing to the media file. The URL should end with specified file-extension.Please refer to the example here: h...

Hi @oliverleung1111,  Please refer to the screenshot on the same page. We'll address the ambiguity caused by the content you referred to.  

Hi, First one: This happens because of deletion of credentials on the Email Service (e.g. Google) Developer Console Second one: Invalid grant means that the user is not authorized to access the scope specified, for which the access token is being gen...