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Enabling High-Availability API Operations with Zero-Impact Traffic Migration: Supporting API Gateway and routing modernization with SLA-driven operations

Services & Industries

Managed Support FinTech

Keeping Critical API Infrastructure Running During Platform Modernization

Level 3 (L3) Operations support for a leading FinTech platform’s Routing and API Gateway platforms, focused on zero‑impact API traffic migration, high‑availability operations, and SLA‑driven management of critical routing infrastructure.

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The Challenge

Modernizing API gateway infrastructure under zero‑downtime and strict SLA constraints

The organization is modernizing its API Gateway and routing infrastructure while maintaining near-zero downtime, strict security compliance, and aggressive SLA targets. This requires continuous operational coverage and disciplined execution across a high-traffic production environment.

Key challenges included:

  • Ensuring near-zero downtime during infrastructure modernization
  • Maintaining strict security compliance across critical systems
  • Executing seamless API traffic migration without impact
  • Meeting aggressive SLA targets with rapid incident response

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The Solution

Enterprise‑scale L3 operations for routing and API gateway platforms

Aditi provided Level 3 (L3) operations support for routing and API Gateway platforms.

The approach included:

  • Providing 24/7 L3 operational support with strict incident response and resolution SLAs
  • Executing zero-impact API traffic migration from legacy systems to the new API Gateway
  • Managing routing configuration changes, deployments, and rollback-ready releases
  • Ensuring platform reliability, security, and compliance through patching, certificate rotation, and vulnerability management
  • Delivering transparent SLA reporting, dashboards, and continuous improvement insights

Applications Managed

  • Legacy and next-generation API Gateway routing platforms
  • Git-based configuration management
  • Monitoring, alerting, and incident management tools (PagerDuty, dashboards)
  • Security and certificate management systems

The Outcome

Zero-Impact Migration with Strengthened API Reliability at Scale

  • Enabled zero-impact API traffic migration
  • Maintained high-availability operations across routing platforms
  • Ensured SLA-driven incident response and resolution
  • Strengthened security and compliance across infrastructure

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Partner with Aditi to Build Your Next AI-Powered Solution:

At Aditi, we help enterprises harness AI + Automation to modernize critical operations and elevate customer experiences. From intelligent assistants to enterprise-grade system integration, our teams deliver practical, scalable solutions that drive efficiency, resilience, and measurable impact. Together, we’ll help you build smarter, AI-powered operations—ready for today’s demands and tomorrow’s growth.

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Aditi is a leading digital engineering services company. We partner with established and emerging enterprises by leveraging borderless talent across three continents to achieve transformative outcomes that will reshape their trajectory. We lead and support our clients’ efforts to design, build, and operate the products, systems, and processes required to deliver impact by leveraging deep insights, practical knowledge, and human spirit.