Need to build the heat map? Just define a color scale and change cell coloring based on their values — it is easy to do with Flexmonster API.
For more details, check our blog post on creating a heat map and using it for your business data. We have got you covered there.
You may also need the Customizing the grid guide to try more options to customize the React pivot table: alternate row colors, represent numbers by icons, add hyperlinks to cells, and more.