Google's Gmail API gives developer access to Gmail mailboxes and the ability to send email.
The API allows users to perform CRUD operations on email messages, attachments, drafts, threads and labels. Supported functionality includes the ability to manage thread labels, use advanced search operators to find and filter specific messages and threads, and sync with Gmail without tracking changes internally.
The Gmail API is RESTful with responses in JSON and uses OAuth 2.0 authorization.
Retain.cc is a tool for sending emails, in-app notifications, in-app conversations, and mobile push notifications to users based on their personal information and behaviors. Retain.cc specializes in...