Modernization through API-driven entitlements

Altimetrik helps a U.S. bank modernize entitlement management with low-code API management tool FastAPI, reducing API design time and boosting system performance.

February 11, 2026
5 minute read
Share

Summary

The client sought to replace its aging mainframe system with a modern, efficient entitlement management solution. Altimetrik implemented its proprietary cloud-agnostic low-code API management tool FastAPI to streamline API development, which reduced design time by 50% and ensured optimized performance while integrating the bank’s existing applications.

The Challenge

  • The client needed to phase out its legacy mainframe system while maintaining robust entitlement management.
  • Heavy reliance on legacy systems and manual API design processes were time consuming and inefficient, hindering the client’s ability to innovate and meet customer demands.
  • Integration across multiple channel applications required a flexible and scalable solution.
  • Ensuring API performance within strict latency requirements was a critical concern.

The Solution

FastAPI tool for optimized entitlement management

  • Implemented FastAPI technology for reducing the API design time
  • It converted the core entitlement functions into a set of APIs, ensuring seamless integration with channel applications.
  • Leveraging a rule engine, it managed API routing, access levels and integration rules, providing a flexible and highly scalable solution.
  • Enabled integration with multiple applications and the bank’s standardized rule engine, ensuring seamless operation across their ecosystem.

Business Impact

  • 50-60% Faster API design for accelerated project timelines.
  • 30-40 Milliseconds of response time achieved, meeting stringent performance requirements.
  • 40-50 APIs seamlessly integrated with customer’s channel applications

Accelerate your digital evolution

Contact Us
Client Success Stories

Real results in action

EXPLORE ALL stories
Case Studies

Faster Incident Resolution with OpenTelemetry Observability

Summary  A leading banking organization partnered with Altimetrik to modernize its Site Reliability Engineering (SRE) capabilities and gain end-to-end observability across critical business systems. The organization lacked unified monitoring and proactive alerting across complex distributed services. Altimetrik implemented an OpenTelemetry-based observability framework integrated with enterprise monitoring tools and dynamic dashboards. This transformation enabled real-time business […]

Read More
Case Studies

Enabling Always-On Instant Payments with Full Observability and Self-Healing Automation

Scaling reliability, observability, and automation to power next-generation instant payment platforms. Summary A leading enterprise operating an Instant Payments (IP) platform partnered with Altimetrik to enhance its Service Reliability Engineering (SRE) capabilities. Following a discovery phase to identify reliability and monitoring gaps, Altimetrik implemented a 12-month transformation roadmap focused on observability, toolchain optimization, and self-healing […]

Read More

Contact Us

We'd love to hear from you.
Contact Us

Amit singh

“Amit Singh is the Chief Strategy Officer and Chief of Staff to the CEO at Altimetrik, where he drives corporate strategy, growth acceleration, and value creation through transformation initiatives. In this dual role, he partners closely with leadership teams, investors, and the board to align business strategy with sustained, technology-driven growth.

With over two decades of experience at the intersection of technology, business, and transformation, Amit brings a unique perspective on how organizations can innovate and adapt in a rapidly evolving digital landscape. His career has been defined by building high-performing teams, scaling innovative platforms, and driving organizational change to deliver lasting impact.

Before joining Altimetrik, Amit held senior leadership roles at Visa, where he led technology strategy, engineering, and product development for Real-Time Payments and the Visa Developer Platform. Earlier, he served as Chief Product Officer at a startup and spent more than a decade at Oracle, leading product and engineering teams across a wide range of enterprise software applications.”

Our expertise
Before we proceed..

Altimetrik is committed to protecting your personal information. To apply for a position, you will need to provide your email address and create a login. Your information will be used in accordance with applicable data privacy laws, our Privacy Policy, and our Privacy Notice.

Explore More