Connect Your IBM i Applications to the World
Easily Build Quick & Secure REST APIs
MDRest4i makes REST APIs (web services) on IBM i easy! IBM i programmers use MDRest4i to build REST API providers and consumers quickly and easily that can integrate with your existing applications without needing additional technologies.
Employing a native ILE framework for IBM i environments, MDRest4i hides code complexities to make your developers more productive. MDRest4i’s performance-optimized code structure for parsing and translations means lightning-quick response times.
The tool suite comprises an ILE Development Framework for RPG and COBOL programs, a software development kit that will generate programs for you, and an API documentation portal. In addition, it integrates perfectly with the MDChange tool suite from Midrange Dynamics.

Create Lightning Fast APIs
Generate
Develop
Document
Layered Architecture
MDRest4i SDK
Automation accelerates constant change
- Import OpenAPI partner specifications
- Generate from minimal content
- Wrapper existing programs/procedures
- Any complexity or size
- Generate formal OpenAPI specifications
- Create/host structured user documentation
- DevOps integration

Generate APIs Directly from Your Requirement Specs
- MDRest4i SDK imports sample JSON, predefined OpenAPI (Swagger) specifications, or DB2 Table/PF Objects.
- Handles large, complex JSON payloads, oneOf/anyOf schema constructs.
- Automatically generate schema discriminator condition logic in RPG or COBOL.
- Start coding business logic in a few seconds.
Rich API Documentation & Developer Portal
MDRest4i SDK uses wizards and simple forms to help you build OpenAPI (aka Swagger) specifications. Use these to generate RPG or COBOL code and export them to the built-in Developer Portal for API documents, MDRest4i, or Confluence.

REST API Services
Need some help with your REST APIs? Learn how to build, secure, and deploy REST APIs integration in any IBM i environment with the MDNA team.
Also, ask how our team can assist you in utilizing MDRest4i to integrate popular services such as Amazon AWS, Microsoft Azure, Microsoft 365, HubSpot, etc.

