There are a lot of advantages offered by SendGrid to free account holders. You may check details on the SendGrid pricing page <https://sendgrid.com/pricing/>. Payment detail are not requested on that page.
How did you get your application ready? You are encouraged to read the "Preparing the application" sub-chapter <https://cloud.google.com/functions/docs/tutorials/sendgrid#preparing_the_application> of the SendGrid tutorial. Have you followed each and every step listed on that page? You seem to need help for a coding issue; it may be worth mentioning: this is a tracker for Cloud SDK specific issues. When it comes strictly to programming and coding, you’ll be at an advantage to rather post your questions on Stackoverflow, to gain this way access to a large number of experts; Stackoverflow and other similar forums are meant to provide help with coding. -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at https://groups.google.com/group/google-appengine. To view this discussion on the web visit https://groups.google.com/d/msgid/google-appengine/ef9b1f09-1a47-412d-b186-2fa80573e89e%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
