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OPENSRS API

Sell, manage and scale domains

Sell domains and certificates right from your website, seamlessly integrated with your current product offering.

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OpenSRS APIs
 

Effortlessly scale your business

Renewal complete, registering domains, renewing certificates for your website
 
  • Leverage a single API for both domains and trust (TLS/SSL) certificates.
  • Reduce manual effort and admin time by automating registrations, renewals, transfers, and more.
  • Rely on a powerful platform that supports millions of registrants and some of the world’s largest digital service providers.

Deliver domains and certificates your way

  • Retain full control of your brand experience—our API seamlessly integrates into your platform, and OpenSRS stays behind the scenes.
  • Provide an intuitive self-service experience, allowing customers to buy domains and certificates without leaving your platform. 
  • Conveniently bundle domains and certificates with your existing products and services.
domains and certificate APIs integrated into your platform
 

Resources to simplify setup

OpenSRS domains and TLS/SSL API guide
 
  • 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?

Website builders

Build domain registration right into your customer sign-up flow and automate the purchase of certificates for customers’ websites.

Hosting companies

Add domains and certificates to your existing hosting packages to offer customers more of what they need.

Software companies

Offer custom domains to your customers for their campaign pages, storefronts, and shared workplaces, all secured with trust certificates.

Internet service providers

Integrate domains and certificates into your internet and mobile services to provide customers with everything they need to establish an online presence.

Why choose the OpenSRS API?

  • Empower customers to purchase, renew, transfer, manage domains, and update DNS settings from your existing UI
  • Offer domains and certificates as part of a subscription or package, or as a stand-alone service
  • Trust the brand relied on by some of the world’s top digital service providers
  • Leverage our powerful name suggestion tool to make finding the perfect domain easy for your customers
  • Leverage bulk commands for thousands of domains at once to update contact information, modify nameservers, enable WHOIS privacy, and more
aruba.it
shopify
Squarespace
SiteGround
Wix
Turbify
Yola
20i
rebrandly
Easyspace
Canva
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Frequently asked questions

How do I get started with the API?

Getting started with OpenSRS is easy. You can sign up with us or book a demo to learn more.

Is there a testing environment for the API?

OpenSRS offers a robust test environment for API development and testing. The Horizon test environment duplicates the functionality of the live environment, and is connected to the test systems of most domain registries.

Are there API usage limits?

There are no usage limits. Our API supports some of the world’s largest service providers and their associated volume demands.

What programming languages does the API support?

It can work with any programming language. Our API is based on XML. By using a metalanguage to describe the protocol, it can remain programming-language-neutral. Learn more.

What happens if I encounter an issue during integration?

Our support team and comprehensive documentation are here to help. We also provide step-by-step examples to guide you through troubleshooting common integration challenges.

Automate domains and certificates with the OpenSRS API

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