Quickstart
Send your first email with Simply Send in under 5 minutes.
Create an Account
Sign up for a Simply Send account to get access to the dashboard, API keys, and sending infrastructure.
Sign up
Verify Your Domain
Before sending, you need to verify ownership of your sending domain and configure DNS records to improve deliverability.
Add your domain
mail.yourdomain.com).Add DNS records
Wait for verification
Get Your API Key & Account ID
All API requests require two values in the HTTP headers: your API Key (X-Api-Key) and your Account ID (X-Id).
Generate an API Key
Find your Account ID
Set Up Compliance Templates
Marketing emails require a physical mailing address and an unsubscribe link to comply with CAN-SPAM and GDPR. Simply Send handles this automatically through Compliance Templates.
Configure compliance info
Send Your First Email
With your domain verified and API key in hand, you're ready to send. Replace the placeholders below with your real values and fire off your first request.
your_api_key_here— the Transactional API key you generatedyour_account_id— your Account ID from the Account pagesender@yourdomain.com— your verified sending domain address
A successful response returns a 200 OK with a message ID. Check your Email Events page to see the delivery status in real time.
What's Next?
Transactional API
Explore all parameters and options for sending transactional emails.
Marketing API
Send bulk campaigns and newsletters to your contact lists.
Authentication
Learn about API keys, account IDs, and keeping credentials secure.
Webhooks
Receive real-time delivery events like opens, clicks, and bounces.
Deliverability Guide
Best practices for domain setup, DNS records, and inbox placement.
SMTP Relay
Connect existing apps via SMTP without changing your codebase.
