Integrations
Out-of-the-box, Retool can integrate with anything that has an API. We also have an ever-growing library of native integrations that make it even easier to connect with data sources.
SendGrid

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.

SendGrid Docs
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