Create an email template
Authentication
The API key should be passed in the request headers as api-key for authentication.
Request
Absolute url of the attachment (no local file). Extension allowed: #### xlsx, xls, ods, docx, docm, doc, csv, pdf, txt, gif, jpg, jpeg, png, tif, tiff, rtf, bmp, cgm, css, shtml, html, htm, zip, xml, ppt, pptx, tar, ez, ics, mobi, msg, pub and eps’
Body of the message (HTML version). The field must have more than 10 characters. REQUIRED if htmlUrl is empty
Status of template. isActive = true means template is active and isActive = false means template is inactive