Introduction - SendKit

What is SendKit?

SendKit is an email delivery platform built for developers. It provides a simple API to send transactional and marketing emails at scale, with built-in deliverability tools, analytics, and team management.

Key features

Email API

Send emails with a single API call. Supports HTML, plain text, and attachments.

Domain verification

Verify your sending domains with SPF, DKIM, and DMARC records to maximize deliverability.

Analytics

Track opens, clicks, bounces, and complaints in real time.

Team management

Invite team members and manage API keys with role-based access.

How it works

Create an account

Add and verify a domain

Add your sending domain and configure the DNS records to verify ownership.

Generate an API key

Create an API key from the dashboard to authenticate your requests.

Send your first email

Use the API to send an email. Here’s a quick example:

curl -X POST https://api.sendkit.dev/emails \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "from": "hello@yourdomain.com",
    "to": "user@example.com",
    "subject": "Hello from SendKit",
    "html": "<p>Your first email sent with SendKit!</p>"
  }'

Next steps

API reference

Explore the full API documentation.

Metrics

​What is SendKit?

​Key features