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Economic Research from the Federal Reserve Bank of St. Louis |
Get the observations or data values for an economic data series.
http://api.stlouisfed.org/fred/series/observations?series_id=GNPCA&api_key=abcdefghijklmnopqrstuvwxyz123456
Note that API key 'abcdefghijklmnopqrstuvwxyz123456' is for demonstration purposes only. Use a registered API key instead.
<?xml version="1.0" encoding="utf-8" ?> <observations realtime_start="2008-07-29" realtime_end="2008-07-29" observation_start="1776-07-04" observation_end="9999-12-31" units="lin" output_type="1" file_type="xml" order_by="observation_date" sort_order="asc" count="79" offset="0" limit="100000"> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1929-01-01" value="872.6"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1930-01-01" value="797.8"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1931-01-01" value="745.7"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1932-01-01" value="648.4"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1933-01-01" value="639.5"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1934-01-01" value="707.8"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1935-01-01" value="771.1"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1936-01-01" value="870.3"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1937-01-01" value="915.9"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1938-01-01" value="884.7"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1939-01-01" value="955.9"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1940-01-01" value="1038.5"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1941-01-01" value="1217.0"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1942-01-01" value="1441.3"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1943-01-01" value="1676.7"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1944-01-01" value="1812.6"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1945-01-01" value="1791.6"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1946-01-01" value="1596.1"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1947-01-01" value="1583.5"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1948-01-01" value="1654.0"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1949-01-01" value="1644.5"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1950-01-01" value="1788.2"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1951-01-01" value="1928.4"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1952-01-01" value="2002.1"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1953-01-01" value="2092.8"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1954-01-01" value="2079.4"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1955-01-01" value="2228.5"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1956-01-01" value="2273.1"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1957-01-01" value="2319.2"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1958-01-01" value="2294.7"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1959-01-01" value="2457.4"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1960-01-01" value="2519.4"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1961-01-01" value="2579.3"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1962-01-01" value="2736.9"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1963-01-01" value="2857.2"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1964-01-01" value="3023.6"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1965-01-01" value="3217.3"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1966-01-01" value="3423.7"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1967-01-01" value="3510.1"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1968-01-01" value="3680.0"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1969-01-01" value="3792.0"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1970-01-01" value="3798.2"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1971-01-01" value="3927.8"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1972-01-01" value="4136.2"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1973-01-01" value="4383.6"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1974-01-01" value="4367.5"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1975-01-01" value="4348.4"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1976-01-01" value="4585.3"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1977-01-01" value="4800.3"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1978-01-01" value="5064.4"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1979-01-01" value="5240.1"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1980-01-01" value="5227.6"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1981-01-01" value="5349.7"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1982-01-01" value="5249.7"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1983-01-01" value="5482.5"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1984-01-01" value="5869.3"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1985-01-01" value="6093.4"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1986-01-01" value="6290.6"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1987-01-01" value="6500.9"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1988-01-01" value="6775.2"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1989-01-01" value="7015.4"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1990-01-01" value="7155.2"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1991-01-01" value="7136.8"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1992-01-01" value="7371.8"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1993-01-01" value="7568.6"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1994-01-01" value="7864.2"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1995-01-01" value="8069.8"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1996-01-01" value="8365.3"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1997-01-01" value="8737.5"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1998-01-01" value="9088.7"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="1999-01-01" value="9504.7"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="2000-01-01" value="9855.9"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="2001-01-01" value="9933.6"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="2002-01-01" value="10079.0"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="2003-01-01" value="10355.3"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="2004-01-01" value="10746.0"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="2005-01-01" value="11064.7"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="2006-01-01" value="11370.1"/> <observation realtime_start="2008-07-29" realtime_end="2008-07-29" date="2007-01-01" value="11647.6"/> </observations>
Read API Keys for more information.
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 observation_date order.
The start of the observation period.
The end of the observation period.
A key that indicates a data value transformation.
lin = Levels (No transformation)
chg = Change
ch1 = Change from Year Ago
pch = Percent Change
pc1 = Percent Change from Year Ago
pca = Compounded Annual Rate of Change
cch = Continuously Compounded Rate of Change
cca = Continuously Compounded Annual Rate of Change
log = Natural Log
An integer that indicates an output type.
1 = Observations by Real-Time Period
2 = Observations by Vintage Date, All Observations
3 = Observations by Vintage Date, New and Revised Observations Only
4 = Observations, Initial Release Only
A key or file extension that indicates the type of file to send.
xml = Extensible Markup Language
txt = Tab delimited Text
xls = Excel Spreadsheet
A comma separated string of YYYY-MM-DD formatted dates in history (e.g. 2000-01-01,2005-02-24). Vintage dates are used to download data as it existed on these specified dates in history. Vintage dates can be specified instead of a real-time period using realtime_start and realtime_end.
Sometimes it may be useful to enter a vintage date that is not a date when the data values were revised. For instance you may want to know the latest available revisions on 2001-09-11 (World Trade Center and Pentagon attacks) or as of a Federal Open Market Committee (FOMC) meeting date. Entering a vintage date is also useful to compare series on different releases with different release dates.