using-email-templates

To send transactional emails with Mailtrap templates, call the send endpoint with the template_uuid and populate template_variables with Handlebars data for recipient-specific personalization. This separates email design from application code and reduces integration errors.

Yes, Mailtrap templates support Handlebars conditionals, loops, nested paths, and both escaped and unescaped HTML output. Pass your dynamic data via template_variables in the API payload to render complex personalized content per recipient.

The best way to preview Mailtrap template renders safely is using the Sandbox and Testing API. This lets you verify Handlebars variable substitution and template layout before sending transactional or bulk emails to live recipients.

Yes, you need the template_uuid to reference Mailtrap-hosted templates in API payloads for bulk sending. Include template_variables containing the Handlebars data to populate dynamic content for each recipient across transactional and bulk streams.

Separating email design from application code with Mailtrap templates eliminates guesswork about payload shape and variable handling. Reuse designs across transactional and bulk streams by referencing the template UUID, reducing integration errors and speeding up delivery.

Yes, Mailtrap templates support both escaped and unescaped HTML output through Handlebars template_variables. This allows you to safely render dynamic content or inject raw HTML when needed for transactional and bulk email streams.