Connect your Natural applications to the systems that power growth
Want to open your Natural applications to modern systems without rewriting code or disrupting operations? Natural API Server exposes your proven business logic as REST/OpenAPI endpoints. Give every modern platform, cloud service, and web application seamless access to your most valuable data.
Expose Natural as REST/OpenAPI
Make your Natural subprograms instantly accessible as modern API endpoints, with no code changes required.
Replace complex middleware
Eliminate costly adapters and integration stacks with one lightweight, purpose-built solution.
Deploy on your terms
Run on z/OS, Linux, or cloud. Native support for containers and Kubernetes is included.
Zero application rewrites
Your Natural applications stay exactly as they are. Modernization happens at the integration layer, not the code level.
Migrate at your own pace
Run legacy and modern integrations side by side and cut over when you’re ready.
Enterprise-grade security
Built-in OIDC and HTTPS support keep every API call protected and compliant.
Modernize integration and accelerate growth
Unlock the full value of your Natural applications by replacing legacy adapters with a modern API layer. Connect faster, cut integration costs, and move at the speed your business demands.

Open your applications to any modern system
Connect your Natural business logic to cloud platforms, mobile apps, and web services through a single REST/OpenAPI layer. Natural API Server runs where you need it — on z/OS, Linux, or cloud — exposing your Natural subprograms as fully compliant API endpoints without changing a line of code.
Modernize without the big-bang risk
Keep your Natural applications running exactly as they are while you transition the client side to modern integration at your own pace — running old and new connections in parallel with zero disruption.


Run on Linux or z/OS
Natural API Server exposes your Natural application logic as REST/OpenAPI endpoints wherever your environment lives — on Linux or z/OS, on-premises or in the cloud. No rewrites required.