The Contactology PHP SDK by Contactology allows API interaction to implement email marketing features into applications and web services. To create projects, developers need PHP 5+ with PECL JSON extension, in addition to cURL PHP extension.
Fifteen APIs have been added to the ProgrammableWeb directory in categories including Cryptocurrency, Email, and Marketing. Highlights include some APIs for Capital One, an API for the Pine feed reader, and the ORY Oathkeeper API for authentication. Here's a rundown of the latest additions.