Esendex acquires Connection Software

2018 saw Esendex successfully acquire Connection Software, further establishing our place in the business messaging market.

Are you a user of Connection Software's online platform?

Esendex is your new service provider - welcome!

From 1st April 2019, Esendex is providing SMS services to Connection Software customers. Esendex offers:

  • UK-based support, development and engineering
  • An industry-best Service Level Agreement which commits to sending 90% of your messages within 5 seconds, and 95% within 20 seconds
  • ISO 27001 accreditation for the safety and security of your data
  • Additional services including SMS Landing Pages and SMS Surveys.

FAQs for API Users

While you do not have to make any changes to your API (for both inbound and outbound messaging), you will now have a new system to carry out account admin. This includes topping up your account with additional messages, raising technical support queries, viewing reports such as “sent messages”, and setting up new users.

How do I purchase credits?

During the migration the best way to top up credits is to speak to your dedicated account management team. To contact them, please phone 0345 356 5758 and use option 3 or email Subsequent to this process you'll be able to top up via the Esendex online platform.

How do I get a copy of an invoice?

Any of the sales team will be able to send you a copy of your invoice; call 0345 356 5758 and use option 3, or email

How do I contact the technical support team?

If you have any technical issues please contact the support team on 0345 356 5758 and choose option 2, or via email at

How do I add or remove a user?

You'll need to have admin-level access to your account to do this; here's a walkthrough.

How can I review sent items?

You can review your sent items online for the last 12 months, and also download them by month. Here's a guide..

What if I have unused credits?

Please speak to your dedicated account management team on 0345 356 5758 (option 3) or email

FAQs for Users of Connection Software's Online Platform

Most Connection Software customers are already logging in to the Esendex platform to manage their contacts, and write, schedule and send SMS. We have transferred your existing credits to the Esendex system, so that you can continue to send texts without interruption.

If you haven't received your login details to the Esendex platform, please complete the below form, and our team will be in touch to get you started as quickly as possible.