The Knowtify Ruby SDK by Knowtify interacts with the API to integrate notification features, useful to implement into marketing applications. A link available on the official site redirects to a direct file download.
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.
Previously we looked at APIs that readers follow the most using our tracking functionality. This time we measured the APIs readers show interest in by counting the number of times a user clicks an outbound link to a provider's site. This is a metric that may better signal developer interest.