Get the dates in history when a series' data values were revised or new data values were released. Vintage dates are the release dates for a series excluding release dates when the data for the series did not change.
This request can return either XML or JSON by setting the file_type parameter to xml or json. Note that the default value of file_type is xml. The API key 'abcdefghijklmnopqrstuvwxyz123456' is for demonstration purposes only. Use a registered API key instead.
https://api.stlouisfed.org/fred/series/vintagedates?series_id=GNPCA&api_key=abcdefghijklmnopqrstuvwxyz123456
<vintage_dates realtime_start="1776-07-04" realtime_end="9999-12-31" order_by="vintage_date" sort_order="asc" count="162" offset="0" limit="10000"> <vintage_date>1958-12-21</vintage_date> <vintage_date>1959-02-19</vintage_date> <vintage_date>1959-07-19</vintage_date> <vintage_date>1960-02-16</vintage_date> <vintage_date>1960-07-22</vintage_date> <vintage_date>1961-02-19</vintage_date> <vintage_date>1961-07-19</vintage_date> <vintage_date>1962-02-24</vintage_date> <vintage_date>1962-07-20</vintage_date> <vintage_date>1963-02-20</vintage_date> <vintage_date>1963-07-22</vintage_date> <vintage_date>1964-02-20</vintage_date> <vintage_date>1964-07-16</vintage_date> <vintage_date>1965-01-14</vintage_date> <vintage_date>1965-02-17</vintage_date> <vintage_date>1965-08-19</vintage_date> <vintage_date>1966-01-13</vintage_date> <vintage_date>1966-02-15</vintage_date> <vintage_date>1966-07-15</vintage_date> <vintage_date>1967-01-13</vintage_date> <vintage_date>1967-02-17</vintage_date> <vintage_date>1967-07-17</vintage_date> <vintage_date>1968-01-16</vintage_date> <vintage_date>1968-02-15</vintage_date> <vintage_date>1968-07-18</vintage_date> <vintage_date>1969-01-14</vintage_date> <vintage_date>1969-02-14</vintage_date> <vintage_date>1969-07-17</vintage_date> <vintage_date>1970-01-16</vintage_date> <vintage_date>1970-02-13</vintage_date> <vintage_date>1970-07-17</vintage_date> <vintage_date>1971-01-18</vintage_date> <vintage_date>1971-02-12</vintage_date> <vintage_date>1971-07-16</vintage_date> <vintage_date>1972-01-21</vintage_date> <vintage_date>1972-02-18</vintage_date> <vintage_date>1972-07-21</vintage_date> <vintage_date>1973-01-19</vintage_date> <vintage_date>1973-02-20</vintage_date> <vintage_date>1973-07-19</vintage_date> <vintage_date>1974-01-17</vintage_date> <vintage_date>1974-02-20</vintage_date> <vintage_date>1974-07-18</vintage_date> <vintage_date>1975-01-16</vintage_date> <vintage_date>1975-03-20</vintage_date> <vintage_date>1976-01-16</vintage_date> <vintage_date>1976-01-20</vintage_date> <vintage_date>1976-02-19</vintage_date> <vintage_date>1976-03-19</vintage_date> <vintage_date>1976-07-20</vintage_date> <vintage_date>1977-01-18</vintage_date> <vintage_date>1977-02-18</vintage_date> <vintage_date>1977-03-21</vintage_date> <vintage_date>1977-07-21</vintage_date> <vintage_date>1978-01-19</vintage_date> <vintage_date>1978-02-21</vintage_date> <vintage_date>1978-03-20</vintage_date> <vintage_date>1978-07-21</vintage_date> <vintage_date>1979-01-18</vintage_date> <vintage_date>1979-02-22</vintage_date> <vintage_date>1979-03-20</vintage_date> <vintage_date>1979-07-20</vintage_date> <vintage_date>1980-01-18</vintage_date> <vintage_date>1980-02-22</vintage_date> <vintage_date>1980-03-19</vintage_date> <vintage_date>1980-12-23</vintage_date> <vintage_date>1981-01-21</vintage_date> <vintage_date>1981-02-19</vintage_date> <vintage_date>1981-03-18</vintage_date> <vintage_date>1982-01-20</vintage_date> <vintage_date>1982-02-22</vintage_date> <vintage_date>1982-03-19</vintage_date> <vintage_date>1982-07-21</vintage_date> <vintage_date>1983-01-19</vintage_date> <vintage_date>1983-02-22</vintage_date> <vintage_date>1983-03-21</vintage_date> <vintage_date>1983-07-21</vintage_date> <vintage_date>1984-01-20</vintage_date> <vintage_date>1984-02-17</vintage_date> <vintage_date>1984-03-20</vintage_date> <vintage_date>1984-07-23</vintage_date> <vintage_date>1985-01-22</vintage_date> <vintage_date>1985-02-21</vintage_date> <vintage_date>1985-03-21</vintage_date> <vintage_date>1985-12-20</vintage_date> <vintage_date>1986-01-22</vintage_date> <vintage_date>1986-02-20</vintage_date> <vintage_date>1986-03-19</vintage_date> <vintage_date>1986-07-22</vintage_date> <vintage_date>1987-01-22</vintage_date> <vintage_date>1987-02-19</vintage_date> <vintage_date>1987-03-18</vintage_date> <vintage_date>1987-07-24</vintage_date> <vintage_date>1988-01-27</vintage_date> <vintage_date>1988-02-25</vintage_date> <vintage_date>1988-03-23</vintage_date> <vintage_date>1988-07-27</vintage_date> <vintage_date>1989-01-27</vintage_date> <vintage_date>1989-02-28</vintage_date> <vintage_date>1989-03-23</vintage_date> <vintage_date>1989-07-27</vintage_date> <vintage_date>1990-01-26</vintage_date> <vintage_date>1990-02-28</vintage_date> <vintage_date>1990-03-28</vintage_date> <vintage_date>1990-07-27</vintage_date> <vintage_date>1991-01-25</vintage_date> <vintage_date>1991-02-27</vintage_date> <vintage_date>1991-03-27</vintage_date> <vintage_date>1991-12-04</vintage_date> <vintage_date>1992-02-28</vintage_date> <vintage_date>1992-03-26</vintage_date> <vintage_date>1992-04-28</vintage_date> <vintage_date>1992-07-30</vintage_date> <vintage_date>1992-09-24</vintage_date> <vintage_date>1992-12-22</vintage_date> <vintage_date>1993-03-26</vintage_date> <vintage_date>1993-08-31</vintage_date> <vintage_date>1994-03-31</vintage_date> <vintage_date>1994-07-29</vintage_date> <vintage_date>1995-03-31</vintage_date> <vintage_date>1996-01-19</vintage_date> <vintage_date>1996-04-02</vintage_date> <vintage_date>1996-08-01</vintage_date> <vintage_date>1997-03-28</vintage_date> <vintage_date>1997-04-30</vintage_date> <vintage_date>1997-07-31</vintage_date> <vintage_date>1998-03-26</vintage_date> <vintage_date>1998-07-31</vintage_date> <vintage_date>1999-03-31</vintage_date> <vintage_date>1999-10-29</vintage_date> <vintage_date>2000-03-30</vintage_date> <vintage_date>2000-04-03</vintage_date> <vintage_date>2000-04-27</vintage_date> <vintage_date>2000-07-28</vintage_date> <vintage_date>2001-03-29</vintage_date> <vintage_date>2001-07-27</vintage_date> <vintage_date>2002-03-28</vintage_date> <vintage_date>2002-07-31</vintage_date> <vintage_date>2003-03-27</vintage_date> <vintage_date>2003-12-23</vintage_date> <vintage_date>2004-01-30</vintage_date> <vintage_date>2004-03-25</vintage_date> <vintage_date>2004-07-30</vintage_date> <vintage_date>2005-03-30</vintage_date> <vintage_date>2005-07-29</vintage_date> <vintage_date>2006-03-30</vintage_date> <vintage_date>2006-07-28</vintage_date> <vintage_date>2007-03-29</vintage_date> <vintage_date>2007-07-27</vintage_date> <vintage_date>2008-03-27</vintage_date> <vintage_date>2008-07-31</vintage_date> <vintage_date>2009-03-26</vintage_date> <vintage_date>2009-07-31</vintage_date> <vintage_date>2009-08-17</vintage_date> <vintage_date>2010-03-26</vintage_date> <vintage_date>2010-07-30</vintage_date> <vintage_date>2011-03-25</vintage_date> <vintage_date>2011-07-29</vintage_date> <vintage_date>2012-03-29</vintage_date> <vintage_date>2012-07-27</vintage_date> <vintage_date>2013-03-28</vintage_date> <vintage_date>2013-07-31</vintage_date> </vintage_dates>
https://api.stlouisfed.org/fred/series/vintagedates?series_id=GNPCA&api_key=abcdefghijklmnopqrstuvwxyz123456&file_type=json
{ "realtime_start": "1776-07-04", "realtime_end": "9999-12-31", "order_by": "vintage_date", "sort_order": "asc", "count": 162, "offset": 0, "limit": 10000, "vintage_dates": [ "1958-12-21", "1959-02-19", "1959-07-19", "1960-02-16", "1960-07-22", "1961-02-19", "1961-07-19", "1962-02-24", "1962-07-20", "1963-02-20", "1963-07-22", "1964-02-20", "1964-07-16", "1965-01-14", "1965-02-17", "1965-08-19", "1966-01-13", "1966-02-15", "1966-07-15", "1967-01-13", "1967-02-17", "1967-07-17", "1968-01-16", "1968-02-15", "1968-07-18", "1969-01-14", "1969-02-14", "1969-07-17", "1970-01-16", "1970-02-13", "1970-07-17", "1971-01-18", "1971-02-12", "1971-07-16", "1972-01-21", "1972-02-18", "1972-07-21", "1973-01-19", "1973-02-20", "1973-07-19", "1974-01-17", "1974-02-20", "1974-07-18", "1975-01-16", "1975-03-20", "1976-01-16", "1976-01-20", "1976-02-19", "1976-03-19", "1976-07-20", "1977-01-18", "1977-02-18", "1977-03-21", "1977-07-21", "1978-01-19", "1978-02-21", "1978-03-20", "1978-07-21", "1979-01-18", "1979-02-22", "1979-03-20", "1979-07-20", "1980-01-18", "1980-02-22", "1980-03-19", "1980-12-23", "1981-01-21", "1981-02-19", "1981-03-18", "1982-01-20", "1982-02-22", "1982-03-19", "1982-07-21", "1983-01-19", "1983-02-22", "1983-03-21", "1983-07-21", "1984-01-20", "1984-02-17", "1984-03-20", "1984-07-23", "1985-01-22", "1985-02-21", "1985-03-21", "1985-12-20", "1986-01-22", "1986-02-20", "1986-03-19", "1986-07-22", "1987-01-22", "1987-02-19", "1987-03-18", "1987-07-24", "1988-01-27", "1988-02-25", "1988-03-23", "1988-07-27", "1989-01-27", "1989-02-28", "1989-03-23", "1989-07-27", "1990-01-26", "1990-02-28", "1990-03-28", "1990-07-27", "1991-01-25", "1991-02-27", "1991-03-27", "1991-12-04", "1992-02-28", "1992-03-26", "1992-04-28", "1992-07-30", "1992-09-24", "1992-12-22", "1993-03-26", "1993-08-31", "1994-03-31", "1994-07-29", "1995-03-31", "1996-01-19", "1996-04-02", "1996-08-01", "1997-03-28", "1997-04-30", "1997-07-31", "1998-03-26", "1998-07-31", "1999-03-31", "1999-10-29", "2000-03-30", "2000-04-03", "2000-04-27", "2000-07-28", "2001-03-29", "2001-07-27", "2002-03-28", "2002-07-31", "2003-03-27", "2003-12-23", "2004-01-30", "2004-03-25", "2004-07-30", "2005-03-30", "2005-07-29", "2006-03-30", "2006-07-28", "2007-03-29", "2007-07-27", "2008-03-27", "2008-07-31", "2009-03-26", "2009-07-31", "2009-08-17", "2010-03-26", "2010-07-30", "2011-03-25", "2011-07-29", "2012-03-29", "2012-07-27", "2013-03-28", "2013-07-31" ] }
Read API Keys for more information.
A key or file extension that indicates the type of file to send.
xml = Extensible Markup Language. The HTTP Content-Type is text/xml.
json = JavaScript Object Notation. The HTTP Content-Type is application/json.
The id for a series.
The start of the real-time period. For more information, see Real-Time Periods.
The end of the real-time period. For more information, see Real-Time Periods.
The maximum number of results to return.
Sort results is ascending or descending vintage_date order.