Spring Boot demo app showcasing QuickBooks Custom Fields API with OAuth 2.0 authentication. Demonstrates hybrid integration using REST API for customers/invoices and GraphQL API for custom field management.
- Updated
Oct 17, 2025 - Java
Spring Boot demo app showcasing QuickBooks Custom Fields API with OAuth 2.0 authentication. Demonstrates hybrid integration using REST API for customers/invoices and GraphQL API for custom field management.
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