Cvent API attendee sync duplication error

04/26/2026 by hjj7749

Cvent API Attendee Sync Duplication Error: Root Causes, Fix Patterns, and What Nobody Tells You It’s 11pm, two days before a 3,000-person conference. Your CRM shows 2,847 registrants. Cvent shows 2,847 registrants. But your downstream marketing automation platform just fired welcome emails to 4,200 people — some of them twice, some three times. Your event … Read more