The ConstantContact iOS SDK is a resource to create Apple applications related to e-mail marketing. Where the repository is available, developers can find installation, documentation, and usage with authentication. Additional code shows an example to obtain an array of contacts. Authored by Corey Sciuto on GitHub.
Newsweaver, communications software provider, offers the Newsweaver API, aimed at increasing intra-company or customer engagement through email campaigns. Newsweaver's platform utilizes homegrown microsite, segmentation, personalisation, in-depth reporting, and social media to encourage and increase engagement.