The Vero PHP SDK by Vero can access the API to integrate email marketing features into product applications. Resources include a sample that identifies a new client with name, job title, and subscription type.
Dropbox Paper, Dropbox's collaborative document product, now includes a document creation and editing endpoint within its API. Prior to the new endpoint, the Paper API was limited to document sharing and downloading. Now users can access Dropbox Paper's full functionality within 3rd party apps.