Infobip Email API vs. Constant Contact

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.

Go from prompt to progress with the new Constant Contact Make your business impossible to miss with AI-powered email, social, SMS, and more that drive real growth. Whether you're building your brand from the ground up or managing your marketing across teams, locations, and accounts, we have everything you need to get your business seen. Build in one spot: Describe the marketing assets you want, have them made for you, then customize and review — all in one conversation.