SMS Gateway Center allows developers to integrate SMS capabilities with applications. Developers can send personalized transactional, OTP and promotional SMS to their clients and website users. The SMS Gateway Center API supports group SMS, and reports. This API is REST based, and uses API Keys for authentication.
Thirteen APIs have been added to the ProgrammableWeb directory in categories such as Spreadsheets, Air Travel and Notifications. Highlights include the newly released Microsoft Excel REST API, which is exposed through Microsoft Graph. Here's a rundown of the latest additions.