Introduction

MailBlastr lets you send email from your own domain through a simple REST API. You verify a domain (SPF, DKIM, DMARC), create an API key, and send — with full delivery, bounce, complaint, open, and click tracking surfaced through the dashboard and webhooks.

The API is a clean, drop-in REST API: predictable resources (emails, domains, audiences, contacts, campaigns, api-keys), consistent request/response fields, and a uniform { statusCode, name, message } error format.

What you can do

• Send transactional email — POST /emails with HTML/text, attachments, custom headers, scheduling, and idempotency.
• Verify sending domains — generate and check SPF/DKIM/DMARC DNS records, toggle open/click tracking per domain.
• Manage audiences & contacts — build contact lists with subscribe/unsubscribe state.
• Send campaigns — marketing email to an audience, with per-contact unsubscribe and performance tracking.
• Receive events — delivery, bounce, complaint, open, and click events via signed webhooks and the per-email log.

How sending works

1. 1
   Add and verify a domain

   Add your domain in the dashboard and publish the SPF/DKIM/DMARC records it generates. See Managing domains.

2. 2
   Create an API key

   Generate an mb_ API key in the dashboard. See Authentication.

3. 3
   Send your first email

   Call POST /emails from your verified domain. See the Quickstart.

4. 4
   Track results

   Watch delivery/open/click events in the dashboard and via webhooks.