Coupler.io allows you to fetch data from several sources at the same time
Join data
all the elements from the left set are kept while only matching elements from the right set are included
Append data
merging values for the same data attribute from two or more data sets and placing them under the same column(s) in the destination file.
Aggregate data
summarizing and revealing key insights of your data by performing operations like sum, average, count, min, or max on specific columns and consolidating the results in the destination file
