Transactional Email Best Practices
Foundational decisions for authentication, suppression, and content quality.
Read guideTransactional email API built for reliable delivery
Send password resets, order receipts, magic links, and account notifications through one clear API.
Sendwich handles domain verification, queueing, webhooks, and deliverability feedback so your app
can send confidently at any stage.
How Sendwich works
A straightforward flow for production-ready transactional email.
Step 1
Add and verify a domain
Configure SPF and DKIM records once. After verification, your domain is ready for sending.
Step 2
Send via API
Call POST /api/v1/message with your API key and message payload from any backend stack.
Step 3
Track outcomes with events
Receive delivery, bounce, and engagement webhooks to keep user state and suppression lists accurate.
Everything you need
From API keys to delivery analytics, the essentials are built-in and ready.
Effortless setup
Create a domain and API key, then start sending transactional emails in minutes.
Reliable delivery
Built with queueing, retries, and event visibility so critical messages continue flowing.
Signed webhooks
Process delivery, bounce, and open events with signed payloads for safer automation.
Global reach
Infrastructure optimized for worldwide delivery to major mailbox providers.
In-depth analytics
Inspect message outcomes and monitor delivery performance as usage grows.
Transparent pricing
Predictable pricing with clear limits and no hidden platform fees.
Common transactional email use cases
Sendwich is built for product events that users depend on.
Authentication flows
Password resets, magic links, and one-time login codes.
Commerce messages
Order confirmations, invoices, shipping updates, and receipts.
Product notifications
Account alerts, security warnings, and workflow status updates.
Pricing
Simple, predictable pricing that scales with you.
Starter
$9.99
/month
- 10,000 emails / month1
- 14 day data retention
- Unlimited domains
- Attachments ($0.50 per GB)
- 200 emails a day
Most popular
Growth
$24.99
/month
- 100,000 emails / month1
- 14 day data retention
- Unlimited domains
- Attachments ($0.50 per GB)
- No daily limit
Scale
$69.99
/month
- 300,000 emails / month1
- 14 day data retention
- Unlimited domains
- Attachments ($0.50 per GB)
- No daily limit
1 Overuse per 1,000 — Starter: $1.50, Growth: $1.25, Scale: $1.00
FAQ
What happens if I go over my monthly email limit?
You'll be billed at the overuse rate for your tier. You can also disable overages per domain and sending will pause when the limit is reached.
Do unused emails roll over to the next month?
No. Quotas reset each month. You can upgrade anytime if your usage increases.
Can I cancel or upgrade anytime?
Yes. Plan changes are immediate and your domains, keys, and event history stay available.
Do you support CC, BCC, and attachments?
Yes. See the API docs for field formats and size limits.
Do I need my own AWS account?
No. Sendwich manages the underlying infrastructure so you can focus on application logic.
How do I authenticate with the API?
Use your API key as a Bearer token in the Authorization header. See the API docs for examples.
Learn transactional email
Read practical implementation guides designed to improve SEO footprint and help developers ship faster.
Email Deliverability Checklist
A practical list for launch readiness and ongoing account health.
Read guideLanguage API Quickstarts
Follow practical send examples for Laravel, PHP, Node.js, and Ruby.
Read guidesGet started with Sendwich today.
Create your account and start sending transactional emails.