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API & developers
API & developers
Transactional Email API: How to Send Reliable App Email in 2026
What a transactional email API actually does, how to choose one, and a copy-paste example for sending your first message in minutes.
Mark TihonovJun 16, 202612 min
API & developersEmail API vs SMTP: Which Should Your App Use?
A clear comparison of sending email over an HTTP API versus SMTP — speed, features, reliability and when to pick each.
Mark TihonovMay 12, 20266 min
API & developersEmail Webhooks: React to Delivered, Bounced and Opened in Real Time
What email webhooks are, the events worth subscribing to, and how to handle them reliably in your app.
Mark TihonovApr 20, 20266 min
API & developersIntegrating an Email API: A Practical Checklist
Everything to get right when you integrate an email API — keys, retries, webhooks, suppression and testing — in one checklist.
Mark TihonovApr 8, 20266 min
API & developersKeeping Your Email API Key Secure
Practical rules for storing, scoping and rotating email API keys so a leak never becomes a spam incident.
Mark TihonovMar 19, 20265 min
API & developersFree Email API: What You Get and Where the Limits Are
What a free email API tier realistically includes, what to watch for, and how to know when to upgrade.
Mark TihonovMar 9, 20265 min