Reusable REST API access layer for faster, safer integrations

Case summary

Context: Large Danish retail company

My role: Design and implementation of a standardized API governance layer

Quick outcome: Faster setup of new APIs with consistent patterns.

IntegrationsSecurityGovernanceScripted RESTPlatform engineering

Problem

  • Many one-off API requests led to inconsistent implementations and high maintenance cost.
  • Admins needed a safe way to manage access without custom development per integration.

What was built

  • Implemented a reusable scripted REST layer with controlled access rules.
  • Built an admin-driven configuration model to manage who can access what (tables/fields/rates).
  • Standardized authentication and request handling to reduce ad-hoc code paths.
  • Added guardrails to prevent over-broad access and reduce operational risk.

Outcome

  • Faster setup of new APIs with consistent patterns.
  • Better security posture through centralized governance and least privilege.
  • Lower maintenance cost and fewer bespoke implementations.

Details are summarized to respect confidentiality.

Tech highlights

Integrations · Security · Governance · Scripted REST · Platform engineering

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