1. Home
  2. Docs
  3. Transactional API
  4. Introduction
  5. Capabilities


Building upon FeedBlitz’s excellent deliverability, the transactional API has the following capabilities:

  • Sending HTML and Text emails
  • Tracking bounces and opens (HTML only)
  • Managing unsubscribes and recipient preferences
  • Multiple file attachments up to 1MB (larger file sizes available on request)
  • Automatic envelope adjustments to handle sender-domain DMARC restrictions
  • Seamless deliverability management from our pool of dedicated high quality servers

In addition, to provide you with tier 2 customer service and support excellence, we have diagnostic and other tools that we have evolved over the years, designed to diagnose and address sender and recipient issues quickly and effectively.