Our API
Unified API for complete control
Modern REST API with comprehensive domain and DNS management. Built on enterprise infrastructure with automatic failover, real-time monitoring, and complete documentation.
Strategic
Scaled for growth
From personal to enterprise customers, our API scales with your needs, allowing you to effortlessly manage from one to millions of domains.
Seamless
One API, endless control
Configure nearly every function to fit your exact setup, with seamless integration into your systems, workflows, and websites.
Why it works
Secure and Reliable
Experience high security and reliability with our globally distributed modern infrastructure, ensuring your operations are safe and consistent.
Solution Driven
Easy to use and integrate API. Real-time updates from source code and a detailed changelog. Created by those who code.
Modern and Safe
Authentication via API key, HTTPS-secured, IP whitelist option and many other features that make the API easy and secure to use.
Complete Functional Scope
Domain and DNS management from a single source. Query functions, price management, transparent and status codes and responses.
Developer Driven
Essential Features
Get Comprehensive DNS control, ICANN-compliant operations, and
direct engineering support the way it should be: knowledgable, responsive, and straight to the point.
direct engineering support the way it should be: knowledgable, responsive, and straight to the point.
Industry-Leading Support
Our engineer team will help you onboard and use the API. Get quick and detailed answers from the people who built the API.
Sandbox and Test Environment
Complete functional sandbox API with test domains and separate API key & data environment.
Fully Documented API
Detailed and live documentation of the OpusDNS API. Versioning, sample requests, change logs, transparent change management, dark and light modes, and much more.
Built by Developers for Developers
Our API isn’t just another interface – it’s the result of deep, hands-on experience with domain infrastructure. Crafted by engineers who live and breathe registrar technology, every endpoint reflects real-world challenges and solutions.
Designed with precision, performance, and extensibility in mind, it delivers exactly what modern developers need: reliability at scale, speed under pressure, and the flexibility to build with confidence.
Direct Access to the Engineers Behind the Code
No gatekeepers, no black box. When you integrate with our API, you get direct lines to the developers who built it.
Designed with precision, performance, and extensibility in mind, it delivers exactly what modern developers need: reliability at scale, speed under pressure, and the flexibility to build with confidence.
Direct Access to the Engineers Behind the Code
No gatekeepers, no black box. When you integrate with our API, you get direct lines to the developers who built it.
View API Documentation
How to Connect
With OpusDNS, it's easy to start using our API. No fuss, no added complications – just a ready to activate solution.
2. Generate your API key
Go to your Developers-Settings in your Dashboard, generate your API key and get started immediately.
3. Use the API
Register, transfer and manage your domains with us via the API, including DNS management and many more functions.
Try Our Sandbox with Zero Risk
Test our API in a safe, isolated environment and make sure your integration with the OpusDNS API works smoothly from the start. In the OpusDNS sandbox you can register and transfer domains, manage DNS zones, and explore additional features at no cost and without impacting your existing domain portfolio.
Just follow the steps in our API documentation to get your sandbox up and running in a few minutes.
Just follow the steps in our API documentation to get your sandbox up and running in a few minutes.
Explore the Sandbox Today
Speak with our technical experts
Speak directly with our team for all your API, technical and integration needs.
