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Connect&Mail – Using APIs to power your direct mail

3 Minutes
17th September 2026

Direct mail doesn’t have to be a manual process. With an API, businesses can connect their existing systems directly to Frankk, making it possible to trigger physical mail automatically from the workflows they already use.

What is an API?

An API allows different software systems to communicate with each other. In this case, it creates a bridge between your systems and Frankk.

Instead of manually exporting data, preparing a mailing and uploading files, your system can send the relevant information directly to Frankk.

Customer action → Your system → API → Frankk → Letterbox

Automate your direct mail

An API can help you trigger mail based on events happening within your existing systems.

For example:

  • A new customer signs up
  • An appointment is booked
  • A renewal is approaching
  • A customer reaches a particular stage in their journey
  • A specific action triggers a communication

This means direct mail can become part of an automated customer journey, rather than a separate marketing task.

Connect digital data with physical mail

Your business already has valuable customer data. An API can help put that data to work, allowing you to create more timely and relevant physical communications without the manual workload.

It also means direct mail can sit alongside your digital channels, creating customer journeys that move seamlessly between online and offline.

Make direct mail part of your tech stack

With Frankk’s API, you can connect your existing systems to direct mail and explore new ways to automate, personalise and scale your communications.

Your systems trigger the action. Frankk gets it through the letterbox.

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