How it plugs in
—Public API
NoOpen source
NoFree tier
Signal on Email Productivity Apps5.6#18 of 22
HEY for Domains hosts email on a customer’s own domain for individuals, businesses, groups, or families.

Pricing
- HEY for DomainsMonthly per user; first user is $10/month · First user $10/month · Each additional user $12/month · Custom domain email$12/mo
As hey.com lists them, checked 11 Oct 2026.