HTTP Email API (2026): Send Transactional Mail over HTTPS with Rovela
Send transactional email over HTTPS and JSON instead of an SMTP socket: POST /emails, Bearer API keys, Idempotency-Key, and how Rovela mailbox SMTP differs.
Send transactional email over HTTPS and JSON instead of an SMTP socket: POST /emails, Bearer API keys, Idempotency-Key, and how Rovela mailbox SMTP differs.