Datasets Activity Stream About Submit Order by Relevance Name Ascending Name Descending Last Modified Popular Go 1 dataset found Licenses: Open Data Commons Open Database License (ODbL) Tags: ask exchange rate exchange rates ptax Formats: JSON OData Organizations: BCB/Depin Filter Results American Dollar (bid and offer) – daily rates Available since 28/11/1984, this data set shows administered rates until March, 1990 and free rates from then on (Resolution 1690/1990). Administered rates are those set by the... HTML API OData JSON