The Whispir Node.js SDK by Sanjeev M allows to communicate with the API to implement SMS, email, and voice calls using automated methods, just like Whispir service. A sample code displays how to send a text message working with endpoint, headers, API v1, and JSON return.
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.