Mailgun added a slew of new features to its email validation API including target mailbox validation, role-based address check, disposable mailbox, reporting, and rate limits. Additionally, Mailgun added the API under its existing SLA and has transitioned to a tiered, usage-based pricing model.
Microsoft has expanded its business application platform, Flow, to support Custom APIs and three new apps. Microsoft made the announcements at its Ignite 2016 event. As Microsoft continues to build its business application platform, more supported apps and more API connectivity will be essential.