The Experitest Curl Sample Code demonstrates how developers can use cURL to access the API. As this request is written, it can contain both headers and body parameters. Header parameters usually are transmitted in CURL commands with -H parameter and body parameters are transmitted with -F parameter.
Nexmo offers a series of cloud-based communication APIs that make it easy to integrate reliable communication services into any application. This tutorial by Tim Lytle on the Nexmo blog shows followers how to build a simple text message group chat using the Nexmo SMS API and PHP.