# Histograms

Use histograms operations to generate transaction histogram reports with cohorts and periods. For information on the invoice resource, see [Resources](https://www.rebilly.com/docs/dev-docs/concepts/#resources).

## Retrieve transaction histogram report data

 - [GET /experimental/histograms/transactions](https://www.rebilly.com/static/_spec/catalog/all-3.0/histograms/gethistogramtransactionreport.md): Retrieves transaction histogram report data.