WHEN TO CONSIDER IT
Consider when template editing and marketing tools should sit alongside sending.
Marketing + transactional
Email delivery and editing tools with API, SMTP and marketing features.
WHEN TO CONSIDER IT
Consider when template editing and marketing tools should sit alongside sending.
WHAT TO CHECK FIRST
Free sends have a daily cap; contacts, subaccounts and advanced features depend on plan.
Editorial interpretation of the sourced facts; not hands-on testing.
Reviewed pricing does not establish a separate data or attachment transfer rate. This is not confirmation that all such charges are zero.
Reviewed 2026-09-08
Reviewed source 1 ↗Reviewed billing materials do not fully establish recipient, failed-attempt and inbound counting rules.
Reviewed 2026-09-08
Reviewed source 1 ↗Reviewed 2026-09-08. Values are taken from official materials; plan restrictions may apply. Delivery speed, observed uptime and inbox placement have not been independently measured.
A customer messaging platform with transactional email API documentation.
300 emails/day
Email API and SMTP service with a separate marketing product and tiered delivery features.
API Free: up to 3,000/month; verify daily conditions
Hosted open-source platform for transactional email, campaigns and automation.
1,000 emails/month; Plunk branding.