SMS text messaging allows you to get through to teams, customers and colleagues quickly and effectively. It is the only messaging technology that is available on almost every mobile phone in the world. Speak to us about how we can help your organisation with mobile communication services from HSL Mobile®.

Get your SMS gateway account

Business customers only (including public sector, schools, charities)


If you're a developer and are looking for SMS API specs, SDKs, apps and code samples to use our SMS gateway then you'll find them here.

HSL Mobile® has been providing SMS gateway services through our SMS APIs and solutions to organisations since 1999. Customers of our SMS messaging service include major organisations such as DHL, Cap Gemini, John Lewis, NHS and Save the Children, in addition to SMEs, local authorities, police forces and schools.

Try a quick demo

See our fast SMS messaging service auto-responder for yourself.

Through our solutions and APIs we provide a powerful range of SMS messaging services using our advanced, reliable and fast messaging infrastructure. Our SMS gateway allows you to receive SMS from mobiles using virtual mobile numbers (VMNs), virtual SIM hosting (VSIM) and physical SIM hosting, and send SMS to mobiles on over 900 mobile networks worldwide.