Meet IBM® z/OS® Connect

Get API access on IBM Z®

IBM z/OS Connect provides a simple and intuitive way to bring the power of APIs to your mainframe. Unlock the value of your IBM Z subsystems with truly RESTful APIs and create consumable APIs in minutes to make Z applications and data central to your hybrid cloud strategy. Call APIs from Z applications to enhance them with the power of cloud native functions.

Want to participate?

Explore our brand new experience including browser-based development tooling and containerized deployment options at no charge.

Benefits of IBM z/OS Connect


RESTful APIs for your IBM Z assets

Create APIs in minutes to access IBM Z applications and data using intuitive tooling and embedded test capability.

Designed for DevOps

Drive agility across your development teams with parallel development for APIs and Services using source code management systems such as Git or RTC/Jazz.

Enterprise ready

Secure your business-critical API calls, both in and out of IBM Z, using web security patterns to propagate user identities across end-to-end API flows.

Monitor end-to-end API requests

Monitor your API workloads and quickly identify issues. Easy access to statistics and usage data using cloud-based monitoring such as Prometheus.

Active third-party ecosystem

z/OS Connect is pluggable and extensible, enabling third-party service providers to expand the list of z/OS assets you can expose as APIs.

Related products

Explore more IBM Z products

IBM Host Access Transformation Services

Extend mission-critical terminal applications without touching the existing application.

IBM File Manager for z/OS

Get flexible, user-friendly tools for enhanced file processing and application development.

IBM API Connect

Create, expose, manage and monetize APIs across multiple clouds.

IBM Data Virtualization Manager for z/OS

Virtual, integrated views of data and read/write access help you modernize your IBM Z applications.


Secure access to CICS from Java, Java EE, .NET Framework and C and C++ applications.

IBM Z and Cloud Modernization Stack

Accelerate application modernization on IBM Z and take a more standardized enterprise approach to IT automation.

Flexible consumption and financing options

Tailored Fit Pricing

A flexible pricing model that simplifies the existing pricing landscape through cloud-like, software and hardware consumption-based pricing options for on-premises computing.

IBM Financing

A robust set of flexible payment options from the industry's #1 IT financier to help accelerate your hybrid cloud storage strategy.

IBM z/OS Connect

Discover how to rapidly transform your IBM Z assets by using APIs.