# JS API Reference

# Welcome to the Highcharts JS Options Reference

These pages outline the chart configuration options, and the methods and properties of Highcharts objects.

Feel free to search this API through the search bar or the navigation tree in the sidebar.

# plotOptions.sankey.levels.dataLabels.allowOverlap

Whether to allow data labels to overlap. To make the labels less sensitive for overlapping, the dataLabels.padding can be set to 0.