Use this Ruby SDK to generate a mailer class and send email via SendGrid with Ruby on Rails. SendGrid is a cloud-based email platform. See the SDK homepage for detailed instructions on using SendGrid as well as code examples for implementing Ruby on Rails.
With huge budgets spent on marketing, it's probably a good idea to keep track of which marketing avenues are working and which aren't. Call Tracking Metrics is a simple telephone call tracking service that aims at helping users link incoming calls to specific marketing campaigns and in so doing, easily track and analyze the amount of calls received due to that particular campaign. The Call Tracking Metrics API provides access to this functionality.
You can't catch a fish without enticing bait. It's a fact; incentive gets people to take action. When it comes to the web, every company wants to get potential customers or fans to interact with their brand and demonstrate loyalty, and the best way to do that is to offer users something exciting for their efforts. Push Entertainment is a service that offers a range of loyalty applications for consumer brands. The company also provides an API that allows developers access to this data.