Most weather and ocean APIs give you a value at a point. mercator gives you the whole grid as map tiles, with the physical values baked into the pixels and decoded on the GPU. So you change colormaps, switch to wind streamlines or contours, or re-scale, client-side, no refetch. One open-source SDK for MapLibre, Mapbox, Leaflet, OpenLayers, deck.gl and React. The tile format is well-documented, so you can decode it yourself and never get locked to our renderer. Transparent pricing, free tier.