Merge.dev is a unified API integration tool known for its streamlined capabilities in HR, payroll, and recruiting, but it has alternatives that offer unique strengths such as customization, scalability, AI-powered efficiency, and extensive connector lists. Integration.app stands out with its pre-built integrations, deep customization options, and developer-friendly features, making it a robust alternative to Merge.dev. UseParagon is suitable for basic HR or finance needs without special changes, but may not be ideal for complex tasks. ApiDeck offers a vast variety of integrations, but can get overwhelming and may not fit niche requirements. Kombo focuses on European market integration, particularly for HR and recruiting tools, providing smooth connections and real-time updates. Ultimately, Integration.app emerges as a flexible and user-friendly alternative to Merge.dev, catering to a wide range of integration needs and scaling with businesses.