The Pushover PHP SDK by Fernleaf Systems allows developers to integrate the Pushover APIs into their PHP applications. Only the Pushover Message and Pushover User/Group Verification APIs are implemented so far. This SDK is installed via Composer.
Twilio has introduced an Add-on Management API developers can use to programmatically install, configure, and enable Add-ons in apps. Developers can now add Twilio Add-on capabilities to applications that end users can easily enable without the need for manual configuration and email interactions.