Transactional and OTP Emails At Scale

Engage with your customers through programmable email notifications for verification, authentication, support, updates and more.

Built with Developers and Non-developers in Mind

No-Code Setup

Miles between you and coding? Our intuitive UI is here to the rescue. Suitable for non-developers.

Communication Fallback

Couple email with SMS or WhatsApp APIs to ensure your message is conveyed to your customers.

High Deliverability

We handle thousands of emails per second with 96% of sent emails reaching customer inboxes.

Full Control Over Your Email Communication

Encrypted Communication

With DomainKeys, mails will reach your customers as sent.

Customizable Templates

Set predefined templates to deliver based on trigger events.

Robust APIs

Never worry again about scaling up with your business growth.

Delivery Analytics

Track email status like sent, delivered, bounced, opens, and clicks.


Send OTPs through email, SMS, WhatsApp, or voice call! One channel or many? The choice is yours.

Design intuitive communications flows

Build communication flows in minutes with our drag-and-drop interface and delight your customers to keep them coming back.

 Proven Communications Technology

Operator Connections
API Uptime

51.5 Billion

Messages, 2022

8.1 Billion

Voice Calls, 2022

We’re ready to help you design the perfect communication experiences for your customers.