Enterprise Email API

Sending an email is easy.
Getting it into the inbox isn't.

Most email tools stop caring the moment your message leaves the server. Infobip's platform is built around what happens after that, so the emails you send are the emails your customers actually see.

99.4%
average delivery rate
33K/s
email requests processed per second
2 sec
average delivery time
16+ yrs
of deliverability expertise

The part nobody budgets for

Every campaign strategy accounts for design, copy, and offer. Almost none account for the emails that never arrive at all.

1 in 6

emails never reach the intended inbox across the industry today

83.1%

is the current global average deliverability rate most senders quietly accept

0%

of that lost revenue shows up as a line item until someone goes looking for it

What's actually running under the hood

A reliable send rate isn't luck. It's infrastructure, monitoring, and a team watching your sender reputation the way you watch your open rates.

01

Global low-latency infrastructure

Regional processing across data centers worldwide keeps delivery fast and consistent, wherever your customers are.

02

Throughput built for scale

Tens of thousands of requests processed per second, so time-sensitive sends never sit in a queue.

03

HTTP and SMTP, your choice

Integrate the way your stack already works, and pair email with SMS, WhatsApp, or push for connected campaigns.

04

Live analytics, not weekly reports

Opens, clicks, bounces, and complaints tracked in real time, so a problem gets caught the day it starts.

05

Compliance handled by default

In-region data storage and certified controls built into the platform, not bolted on afterward.

06

Migration without the downtime

A guided IP warmup and reputation tracking so switching providers doesn't cost you the sender trust you've built.

One API, every kind of email

Different messages need different urgency. The infrastructure underneath should not change because of it.

Transactional

OTPs, order confirmations, and account alerts delivered in seconds, every time it counts.

Promotional

Personalized campaigns for launches and seasonal offers, built to convert rather than just send.

Alerts & updates

Real-time notifications for service changes and account activity that customers actually trust.

One enterprise client processing tens of millions of messages a month found that proactive deliverability support directly improved their sender reputation, freeing their team to focus on strategy instead of firefighting bounces.

Adapted from a global enterprise case study, e-commerce and gaming sector

Get the free deliverability guide

A practical breakdown of why emails get lost, how mailbox providers decide who to trust, and the checklist for fixing it. No spam, just the PDF.

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Common questions

Does this cover both marketing and transactional email?

Yes. The same API handles time-sensitive transactional messages and larger promotional campaigns, so you're not managing two separate systems for one channel.

How is a 99.4% delivery rate actually maintained?

Through a combination of dedicated IPs, continuous reputation monitoring, list validation, and a deliverability team that intervenes before small issues become blocked domains.

Can we switch providers without disrupting active campaigns?

Migration is handled with a guided IP warmup and dedicated onboarding, so sender reputation transfers gradually instead of resetting overnight.