ClickSend aims to improve business communications with the use of messages, e-mails, and voice systems. The goal of the PHP SDK is to ease the integration of SMS messaging into desktop and mobile applications. The requirements for developers include PHP 5.0, CURL enabled, and a ClickSend account.
SendGrid announced its latest endpoint for its Web API: v3/mail/send. The endpoint rounds out the v3 release that began last year. With the new send endpoint, SendGrid has realized its goal of complete API management via API. All of the v2 functionality remains available with additional features.