Automate your mailings with our API

For businesses that send high volumes of physical mail, our API connects your existing systems, whether that's a CRM, billing platform, or case management software, directly to our platform.

That means no manual uploads, no resource challenges and no room for error. Simply trigger a mailing from within your own system and we manage everything from print to postage, with support for PDF, Word, and RTF documents and address lists in CSV, Excel, or XML format.

Developer guide
Docmail API
Docmail API integration offering

Fully automated

Trigger mailings directly from your own software - no manual steps required.

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Flexible formats

Accepts PDF, Word and RFT files with address data in CSV, Excel or XML.

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Reduces risk

Fewer manual touchpoints means fewer errors - ideal for regulated industries.

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Scales with you

Whether you're sending a few or thousands of items, the API manages everything for you.

Docmail API test

The test environment

Run your personalised test mailings, to ensure we get it right and help you deliver meaningful connections.

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Need help?

Please visit our developer help centre  for further information.

GETTING STARTED IS EASY...

Read the support guide

Review our developer guide to understand how the API works and what your integration will need.

Complete the questionnaire

Fill in this short questionnaire to gain access to our test system and build your integration safely.

Go live

Once you are happy with your testing, request authorisation and we'll connect you to the live database.

To find out more, please complete this form & let's get started on this journey together