Effortlessly scale your email services
Automate account provisioning, password resets, upgrades, and more, reducing manual effort and administrative workload.
Easily create additional mailboxes and increase storage sizes as you and your customers grow.
Rely on a powerful platform that supports millions of mailboxes and some of the world’s largest digital service providers.
Deliver email services your way
Customize each webmail interface instance and login page with a unique URL, logo, and colors.
Let customers manage their email, contacts, files, and calendars through an intuitive and mobile-friendly webmail experience.
Easily add email services to your existing products to create packages that better meet their needs.
Resources to simplify your setup
Access comprehensive documentation with examples to help you speed up development and deployment.
Simplify API implementation with help from our knowledgeable support team, who’ll ensure you’re set up for success.
Who is the API for?
Ecommerce platforms
Give merchants a professional email address to match their domain, so every customer interaction reinforces their brand.
Software companies
Offer scalable and custom email addresses for lead generation and team collaboration.
Business services providers
Round out your onboarding by giving clients a professional email address the moment their business is set up.
Internet service providers
Complete your hosting packages with professional email. You can even let business customers brand and manage a unique email setup for their teams.
Why choose the OpenSRS API?
Empower customers to choose their own email address and manage their account settings
Efficiently manage bulk provisioning and storage upgrades to support growing teams and expanding customer bases
Customize each webmail login page and interface with your brand or your customers’
Support global customers by offering webmail in major languages including English, French, Spanish, German
Ensure your customers are protected against spam and viruses with built-in email filtering
