Solutions

A way forward.
For every challenge.

Discover what your systems do, understand the impact of change, and modernize with the business knowledge that matters.

Dependency mapSOURCE-LINKED CONTEXTcachePROGRAMupdate()LOGICvalidate()PROGRAMwrite()CONTEXTrulesDATArecordsTrace linked to sourcesource / updatefunction update(field) { const rules = resolve(); validate(field, rules); write(field); return field;}
01 / Uncover decades-old lost metadata and unknown logic

Recover Lost Metadata

Uncover decades-old business rules and lost metadata from 30-year-old COBOL loan origination systems where original developers have retired and documentation is missing.

  • Recover business knowledge
  • Structured metadata exploration
  • Knowledge your team can share
From source research to recovered knowledgePrototype · Sample data
02 / Uncover decades-old lost metadata and unknown logic

Metadata Exploration

Audit all changes to mortgage underwriting logic made between 2015-2020 for regulatory compliance reviews.

  • Evidence for compliance reviews
  • Traceable source context
  • Explore recorded changes
Explore fields and record structurePrototype · Sample data
03 / Uncover decades-old lost metadata and unknown logic

Dependency Graph Analysis

Visualize complex system dependencies and runtime mapping to identify inactive components that haven't been used in production, enabling safe retirement of legacy workflows.

  • Connected system visibility
  • Runtime usage analytics
  • Identify unused components for removal
Cross-system process flowPrototype · Sample data

Why Financial Institutions Choose Replai for Legacy Modernization

Banks, insurance carriers, and reinsurance firms rely on Replai to understand, extend, and modernize systems that were built decades before modern tooling existed. Whether the codebase is 30-year-old COBOL, aging Oracle Forms, or mainframe batch processing, Replai gives engineering teams the visibility and control they need to act confidently.

Most legacy modernization projects stall because teams cannot answer basic questions: what does this code actually do, which programs depend on each other, and what breaks if we change this field? Replai answers those questions before a single line is rewritten.

The platform covers three phases that financial institutions typically face. Discovery reconstructs lost business rules and metadata from codebases where original developers have retired and documentation no longer exists. Vibe programming lets teams extend and optimize running systems using natural language, with risk assessment built into every change. Modernization then handles full transformation to a target technology stack, whether that is React and Node.js, cloud microservices, or another architecture, while preserving every business rule that was uncovered in the discovery phase.

Common use cases include auditing mortgage underwriting logic for regulatory reviews, extending account number formats across hundreds of interconnected programs, cutting nightly batch processing windows from eight hours to three, and safely retiring deprecated insurance product workflows that add maintenance cost without active use.

Schedule a personalized demo to see how Replai can transform your legacy modernization projects

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