A cheatsheet by @255kb|Refreshed almost 3 years ago.Refresh|View source on Github
  • Free tier: 100 emails/day
  • Pros: powerful insights, HTTP API, 24/7 support
  • Exceeding the free tier: billing starts, no service interruptions
  • Free tier: 24,000 emails/month
  • Pros: SMTP or REST, API for logs and analytics
  • Exceeding the free tier: billing starts, no service interruptions
  • Free tier: 500 emails/month, 100 emails/day test accounts
  • Pros: pre-built client libraries (Python, Php, Node.js…), SMTP or REST, real-time data with webhooks
  • Exceeding the free tier: sending stops, user must add a credit card / upgrade plan