A unified API platform provides a single, standardized interface to access multiple integrations within a software category, abstracting the complexity of individual integrations by normalizing data models, authentication flows, rate limits, and pagination. The market for unified API platforms is becoming increasingly saturated, with over 23 vendors now listed on the G2 Grid for Unified APIs, each offering different types of integrations, tooling, and support measures. Some unified API platforms specialize in specific software categories or industries, while others support several categories and are constantly expanding to new ones. When evaluating unified API solutions, it's essential to consider factors such as integration observability, sync flexibility, and white-glove support, as well as the platform's ability to support enterprise-grade integrations and provide scalable pricing models. Top unified API platforms, including Merge, Apideck, Kombo, Nango, StackOne, and Unified.to, offer varying degrees of integration coverage, customization options, and support for different categories and industries, making it crucial to assess each platform's pros and cons to determine the best fit for a particular business.