Transactional Email API for SaaS Applications
Send transactional emails from your SaaS app, sent from your own verified domain. Built with developer-friendly webhooks, automated bounce handling, and a clean REST API.
📡 Real-Time Webhook Pipeline
Stream email lifecycle events directly into your backend. Subscribe to delivery, open, click, bounce, and complaint notifications signed with secure HMAC signatures.
🛡️ Automatic Bounce & Complaint Handling
Protect your sender score effortlessly. Sently intercepts hard bounces and spam complaints automatically, suppressing invalid recipients to safeguard your domain reputation.
🔁 Idempotency Keys for Safe Retries
Execute resilient retry policies without sending duplicates. Supply unique idempotency keys with your send requests so network hiccups never result in multiple emails to customers.
💰 Predictable Pricing
No sudden pricing jumps when your SaaS hits viral growth. Enjoy transparent usage tiers designed to scale affordably as your subscriber base expands.
⚡️ Low-Latency REST API
Dispatch notifications in milliseconds. Our streamlined JSON API and typed SDKs make integrating authentication and transactional emails painless for developers.
🔍 Detailed Activity & Delivery Logs
Search and inspect every email event with comprehensive message logs, recipient server response codes, and diagnostic headers for rapid debugging.
Essential SaaS Use Cases
User Signup Verification
Deliver magic link authentication, email verification codes, and onboarding sequences immediately when new users sign up, maximizing activation rates.
Password Resets & Security Notices
Send mission-critical security communications—including password reset tokens, two-factor authentication codes, and suspicious login warnings—with primary inbox priority.
Payment Receipts & Invoices
Automate subscription billing confirmations, invoice PDFs, renewal notices, and payment failure dunning reminders with full delivery audit trails.
Usage Alerts & System Notifications
Keep workspace teams informed with quota thresholds, team invitations, weekly activity digests, and immediate system status updates.