8 integrations

transactional email on Definable.

Connect, automate, ship.

Definable agents read, write, and act across transactional email tools so the boring parts of using them happen on their own. Browse the full list below — every integration ships with one-click auth and full audit logging.

What teams build with these

01

Trigger on event

  1. Listen for a new event
  2. Parse and validate the payload
  3. Take an action with the linked tool
02

Daily summary

  1. Pull yesterday's activity
  2. Summarise with the model of your choice
  3. Send the digest via email or Slack
03

Cross-tool sync

  1. Read records from one app
  2. Transform with a persona
  3. Write the result back via this integration

8 transactional email apps

Loops.so

12 tools

The email platform for modern SaaS. A better way to send product, marketing, and transactional email.

MailerSend

23 tools

MailerSend is a transactional email service designed for developers to integrate email sending capabilities into their applications.

Mailtrap

49 tools

Email Delivery Platform for testing and sending transactional emails

Postmark

46 tools

Postmark is an email delivery service that enables developers to send transactional emails with high deliverability and detailed analytics.

Resend

62 tools

The universal API for sending emails.

SendGrid

359 tools

SendGrid is a cloud-based email delivery platform providing transactional and marketing email services, with APIs for integration, analytics, and scalability

Smtp2go

32 tools

SMTP2GO is a reliable email delivery service that ensures your emails reach recipients' inboxes efficiently.

Unione

32 tools

UniOne is an email delivery service offering a versatile Web API and SMTP API for sending transactional and marketing emails.