Sendgrid is an API for sending emails.
Connecting Retool to Sendgrid takes just a few minutes, and lets you to send emails programatically from Retool. For example, you could build a tool to send personalized emails to users about to churn. You could pull in
users from a Postgres database, drag on a
TextInput to write a personalized email, and then drag on a
Button to actually send the email via Sendgrid.