https://www.unosend.co/
Unosend – Email API for developers | Unosend
Email infrastructure that just works. Send transactional emails with a simple API.
email apidevelopers
https://docs.unosend.co/introduction
Introduction - Unosend
May 15, 2026 - Unosend is a transactional email service for developers. Send emails with REST API or SMTP.
introduction