Companies increasingly rely on B2B API integrations to enhance product capabilities and streamline operations by connecting their systems to those of other businesses. These integrations, which can involve product or partner integrations, facilitate secure and efficient data sharing, automate workflows, and save time by reducing manual data entry. To implement successful B2B API integrations, firms should prioritize projects based on strategic frameworks, employ observability tools to monitor and resolve integration issues, and consider third-party solutions for scalability. Platforms like Merge offer a Unified API and advanced features for managing integrations, ensuring that customer-facing teams can effectively oversee and market these integrations. Merge's platform supports over 220 integrations across multiple software categories, providing robust tools for syncing customized data and maintaining security standards.