Map APIs are essential tools for developers looking to incorporate mapping features such as location search, routing, geocoding, and visualization into their applications without building these capabilities from scratch. While Google Maps is widely recognized, several free alternatives exist, including MapKit, OpenStreetMap, Mapbox, HERE Technologies, Geoapify, MapLibre, and TomTom Maps, each offering unique features and limitations. These APIs allow developers to experiment with spatial data and build prototypes with no upfront costs, though they often come with daily usage limits and licensing restrictions. Choosing the right map API depends on factors such as scalability, data accuracy, ease of integration, performance, and compliance. As applications grow and outgrow free options, platforms like Felt offer scalable solutions with advanced features like AI-driven insights and real-time collaboration, helping developers transition smoothly from free to more robust mapping solutions.