The Bureau of Economic Analysis API

The Bureau of Economic Analysis (BEA) Data API provides programmatic access to BEA published economic statistics. Methods include retrieving statistical data and metadata from datasets covering National Income and Product Accounts (NIPA), GDP by Industry, Regional economic data by state and metro area, International Transactions Accounts (ITA), International Investment Position (IIP), Fixed Assets, Input-Output tables, Multinational Enterprises (MNE), and International Services Trade. Data is available in JSON or XML formats and requires a free API key.