SMTPfast
SMTPfast is a simple email API for developers with a free tier that includes 3,000 emails/month, 1 d…
email
Freemium
Unitpost
AI-First Transactional & Marketing Email Service. Free tier: 5,000 emails/mo, 200 emails/day, 10,000 contacts, 5 domains. No credit card required. SDKs, MCP and REST API available
email
Free
Related Resources
More in email
Reloop
Transactional email API and SMTP for developers. Free plan: 3,000 emails/month, 200 emails/day, one …
email
Freemium
Mailtrap.io
Email API, SMTP, 3,500 emails/month free for transactional and marketing emails. Email Sandbox - fak…
email
Freemium
Antideo
10 API requests per hour for email verification, IP, and phone number validation in the free tier. N…
email
Free