Warmup Inbox vs. Infobip Email API

Warmup Inbox is an email warmup service that automatically raises your email sending reputation through our network of inboxes talking to each other. The process of preparing an email address for general use or email outreach is commonly referred to as “Warming Up” an inbox, where you take a number of steps to ensure that an email address does not become deactivated, blacklisted, or automatically marked as spam when it begins to send outgoing messages to other recipients.

Infobip Email API is an email-sending infrastructure that instantly delivers a high volume of emails over SMTP, or HTTP API. Helps to provide an excellent customer experience with emails delivered without delays, increasing revenue by maximizing deliverability. Support all formats of transactional or promotional emails. Robust and easily scalable infrastructure Process millions of emails in minutes, and deliver them in 2 secs with a 99,4% of deliverability rate. Ready to support any volume of emails.