Clickatell

Clickatell's SMS gateway covers 220 territories and more than 1,000 different mobile networks. The platform offers one-way and two-way SMS messaging options that include dedicated routes for time-sensitive messages such as one-time PINs or instant notifications. Businesses can SMS-enable any application, website, or system, gain complete control over customer communication, and create customizable content. Technical options include HTTP, REST, SOAP, and SMPP APIs, along with a cloud-hosted user-friendly portal with wizard-driven code generation for easy integration.