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.
Nine APIs have been added to the ProgrammableWeb directory in categories including VoIP, Background, and Home Automation. Featured today is an API for searching for specific phrases within podcasts, an API for credit score verification, and one for integrating with branded email signatures.