HomeJournalArticle MarketingMay 20, 2026 Integrating Generative AI into Legacy Enterprise Systems Without Rebuilding from Scratch By Editorial Team Updated June 4, 2026 On this page Why Engineering Discipline Matters More Than the Model Why Full Rebuilds Keep Failing The Integration Pattern That Actually Works Secure API Gateways Structured Data Pipelines A Governance Layer in Between Practical Use Cases on Legacy Stacks The Risks Worth Planning For A Realistic Roadmap