Returns the lowercase equivalent of a string of text

Works with the following datatypes:

This function works with 2.1 endpoint(s). What does this mean? »

The lower(...) function is used within the $select or $where parameters to lower-case a Text value. For example, you could use it within the $select statement to lower-case names from the Chicago salaries dataset:

https://data.cityofchicago.org/resource/tt4n-kn4t.json?$select=lower(name), annual_salary