Welcome to developers.hslmobile.com which contains , user guides and other documentation for the solutions and APIs from HSL Mobile (including hslsms.com and smscarrier.com) that comprise our mobile communication services.  You should find all the technical information that you require on this site in order to make use of our solutions and APIs, but if there’s anything you’d like to see or any questions that you have then please contact us.

If you’ve just got your new account or are looking to see what’s involved in getting moving on the technical side then the Getting Started section should be your first port of call.

Our service is accessible using the solutions and APIs that we provide to enable you to

  • send and receive SMS messages
  • send verification codes
  • use other services related to mobile communications

An extremely reliable service is provided to customers using HSL Mobile‘s robust infrastructure. This spans multiple service sites to provide solutions and APIs for customers to access our SMS services. The architecture page has more information on our infrastructure. Further information on the service can be found on this site covering securitysupport and reporting (Client Support Site).