HERE IS a REPLY from the Census Bureau regarding the API forum and about the API itself.
I am posting her response as I believe CB staff are not allowed to post to listservs.
API members are approved usually daily. There are no unapproved members currently in the
membership queue. (If you are still having a problem getting approved, please contact
Lisa Wolfisch Lisa.Wolfisch@census.gov<mailto:Lisa.Wolfisch@census.gov>
To answer some of the questions there - the API currently includes all of ACS 5 year 2010
and a portion of SF1 variables. These are listed at
The API only allows a few variables per call at a time because we need to limit the work
on the back end that the server does for each API call, but there is no limit on the calls
an application can do.
Note that the API pulls individual table cells and not tables. For example because Total
Population exists as a cell in several tables, you can get to it with different variables
as noted below, like
<variable name="B02001_001E" concept="B02001.
<variable name="B03001_001E" concept="B03001. Hispanic or Latino by
Please send anyone my way for further help.
Chief, Web and Social Media Branch
Center for New Media & Promotions
U.S. Census Bureau