Get historical US municipal bond pricing data for a given ISIN.
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
Specify text/csv if you would like to receive a CSV file.
application/json, text/csv Maximum trade date in ISO-8601 format (YYYY-MM-DD).
International Securities Identification Number (ISIN), unique 12-character code for the security.
12Minimum trade date in ISO-8601 format (YYYY-MM-DD).