known·good search mcp servers how we grade about the index

search / category / transactional email service

Agent-ready transactional email service

3 sites in this index, 2 of them transactional. Every one probed live, with the date it was checked.

✓AhaSend ahasend.mintlify.app
AhaSend provides developer-first transactional email delivery with REST APIs, SMTP relay, and CLI tools, suppo
✓Unosend docs.unosend.co
Unosend is a transactional email service for developers offering REST API and SMTP for sending time-sensitive
✓toSend tosend.com
toSend is a transactional email delivery service offering a flat rate per email with no tiers or monthly commi