Email delivery service with a REST API for sending a JSON email message.

API

What your agent can do

  • Learn how to send a standard email using the API.

    Via API.

Tasks depend on the interface and permissions.

Connection methods

Choose a route that fits your agent.

API connection
API path
https://api.smtp2go.com/v3/email/send

Authentication
X-Smtp2go-Api-Key

Documentation & experience

  • 1 of 1 connection paths checked
  • Latest documentation check 9 Oct 2026
View sources and checks
How documentation is checked