The SendGrid PERL Sample Code by SendGrid demonstrates how to work with the SDK to implement email features into applications. Code shows how to send an email with subject and text. It also displays how to login credentials, open a connection with the server, and authenticate.
Email, which is one of the oldest services available on the internet, is a key mechanism via which you can reach out to your users. Over the last year, the number of services providing this infrastructure as a service has grown to include 6 email sending APIs. The newest, Amazon Simple Email Service, validates the market.
Nexmo's mission is to take SMS global, putting messages on the 5 billion smartphones across continents and languages, with 800 carriers in 200 countries. As Alex Williams noted in Techcrunch, Nexmo raised $3 million from Intel Capital, NHN Investment Corporation and Initial Capital. Nexmo is:
"one of a new generation of companies that are disrupting the telco market. It streamlines the layers between the telcos and developers, removing the hubs by offering a carrier grade service based upon a worldwide network that gives companies like Airbnb an international messaging platform for communicating between buyers and sellers over SMS."
The RESTful and SMPP APIs save large multinationals from having to build their own infrastructure.
Our API directory now includes 239 messaging APIs. The newest is the Parseco API. The most popular, in terms of mashups, is the Twilio SMS API. We list 169 Twilio SMS mashups. Below you'll find some more stats from the directory, including the entire list of messaging APIs.