The MailerLite Ruby SDK by Ivan Kabluchkov wraps the API to access email marketing data. It includes installation and usage. Developers can make calls when they fetch groups and add a subscriber. The project was inspired By Gibbon, an API wrapper for MailChimp. Consult reference at https://github.com/amro/gibbon
Four tech titans have announced the Data Transfer Project. The project is an open source, service-to-service, data portability platform. With the implementation of GDPR, and the increase need of consumers to retrieve and move their data, the Data Transfer Project looks to standardize the process.