Technical Information

SMS Gateway

How to interface with the SMS Gateway.

OpenMarket now offers a RESTful and feature-rich Global SMS API. Compared to the existing MX Telecom APIs, the Global SMS API provides:

  • Automated originator selection, which selects the correct short code or VMN for any country or territory
  • Our highest level SLA and increased messaging capacity
  • Better security through Basic authentication
  • A test environment for new and migrating customers

as well as a host of other benefits. While we will continue to support our existing SMS APIs, we believe that our Global SMS API offers some exciting features and benefits that you'll want to take advantage of, and future feature development will be focused on the Global SMS API. For more information, see the Release Note on our Docs and Resources website.

Note that currently the Global SMS API does not support Premium Rate messaging. Existing Premium Rate customers should continue to use the MX Telecom APIs.


Technical information about CMX2 is now hosted on the OpenMarket Docs and Resources site, including our range of video tutorials.

MMS Gateway

How to interface with the MMS Gateway.

Mobile Operator Lookup

How to interface with the Operator Lookup service.

Subscriber Disconnects

Details on how to use the Subscriber Disconnects API.

Carrier Codes

Carrier codes passed by the SMS Gateway and other services.

Knowledge Base