# IPUMS API

**URL:** https://forum.ipums.org/c/ipums-api/16.md?page=1

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## [Census tract shapefile download fails to complete](https://forum.ipums.org/t/census-tract-shapefile-download-fails-to-complete/4522)

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**Author:** [@Clyde\_Schwab](https://forum.ipums.org/u/Clyde_Schwab)\
**Replies:** 3\
**Last updated:** [February 23, 2022, 5:29pm UTC](https://forum.ipums.org/t/census-tract-shapefile-download-fails-to-complete/4522 "2022-02-23T17:29:50Z")

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I’ve been using the basic walkthrough of using R to download NHGIS data. I’m trying to download 2010 census tract shapefiles, but, in the final step of actually performing the download using the provided download link, t…

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## [IPUMS API Use Capabilities](https://forum.ipums.org/t/ipums-api-use-capabilities/2991)

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**Author:** [@Theodore\_Caputi](https://forum.ipums.org/u/Theodore_Caputi)\
**Replies:** 3\
**Last updated:** [June 24, 2021, 1:54pm UTC](https://forum.ipums.org/t/ipums-api-use-capabilities/2991 "2021-06-24T13:54:53Z")

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Hello – I spoke with Fran on the Census Bureau Developers Slack, and he told me to post my question here: I’m looking into using the IPUMS API – I’m trying to get some basic state info for several years. Say, median age…

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## [2015-2019 ACS in API](https://forum.ipums.org/t/2015-2019-acs-in-api/4026)

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**Author:** [@Christopher\_Davis](https://forum.ipums.org/u/Christopher_Davis)\
**Replies:** 1\
**Last updated:** [March 10, 2021, 4:55pm UTC](https://forum.ipums.org/t/2015-2019-acs-in-api/4026 "2021-03-10T16:55:27Z")

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Hello! I see that the 2015-2019 ACS is on the NHGIS website, but I don’t see it in the API. Am I missing something? Or, do you know when the 2015-2019 ACS might be included in the API? Thanks

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## [404s on download links?](https://forum.ipums.org/t/404s-on-download-links/3907)

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**Author:** [@Sidharth\_Kapur](https://forum.ipums.org/u/Sidharth_Kapur)\
**Replies:** 6\
**Last updated:** [January 7, 2021, 10:06pm UTC](https://forum.ipums.org/t/404s-on-download-links/3907 "2021-01-07T22:06:25Z")

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Hi, I’m new to IPUMS and am super excited to try out the new API! So far everything has gone pretty smoothly—the instructions were really clear, and it’s great that they’re written using the python requests library sinc…

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## [2018 ACS1 Metadata](https://forum.ipums.org/t/2018-acs1-metadata/3643)

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**Author:** [@Brian\_Cultice](https://forum.ipums.org/u/Brian_Cultice)\
**Replies:** 5\
**Last updated:** [July 15, 2020, 10:06pm UTC](https://forum.ipums.org/t/2018-acs1-metadata/3643 "2020-07-15T22:06:46Z")

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Hello all, I am having trouble successfully requesting table-specific metadata for the 2018\_ACS 1-Year dataset. Apologies for the extremely general inquiry, but I cannot identify the issue. The table(s) I am attempting…

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## [NHGIS Shapefiles names (Metadata vs. Workflow Exp)](https://forum.ipums.org/t/nhgis-shapefiles-names-metadata-vs-workflow-exp/3337)

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**Author:** [@Brian\_Cultice](https://forum.ipums.org/u/Brian_Cultice)\
**Replies:** 1\
**Last updated:** [January 27, 2020, 7:56pm UTC](https://forum.ipums.org/t/nhgis-shapefiles-names-metadata-vs-workflow-exp/3337 "2020-01-27T19:56:45Z")

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Hello! I have a quick question regarding the naming conventions for shapefiles; in the metadata, shapefiles have a naming structure along the lines of 'geog\_extent'\_'geog\_level'\_'year'\_'basis'. However, the workflow exam…

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## [Announcing general availability of NHGIS APIs](https://forum.ipums.org/t/announcing-general-availability-of-nhgis-apis/3304)

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**Author:** [@fran](https://forum.ipums.org/u/fran)\
**Replies:** 0\
**Last updated:** [December 20, 2019, 8:57pm UTC](https://forum.ipums.org/t/announcing-general-availability-of-nhgis-apis/3304 "2019-12-20T20:57:39Z")

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The NHGIS Metadata and Data Extract APIs are now at version 1.0 and are generally available to all NHGIS users! With the new version, any IPUMS user registered with NHGIS can explore NHGIS metadata and create NHGIS data …

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## [NHGIS Shapefiles, Extent Selection, Year Selection, and Breakdown Selection Now Available!](https://forum.ipums.org/t/nhgis-shapefiles-extent-selection-year-selection-and-breakdown-selection-now-available/3223)

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**Author:** [@fran](https://forum.ipums.org/u/fran)\
**Replies:** 0\
**Last updated:** [October 30, 2019, 7:01pm UTC](https://forum.ipums.org/t/nhgis-shapefiles-extent-selection-year-selection-and-breakdown-selection-now-available/3223 "2019-10-30T19:01:55Z")

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We are pleased to announce that the next version of the NHGIS Beta Data Extract and Metadata APIs has been released. With this release, the NHGIS Data Extract API is feature-complete, meaning that it can do everything th…

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## [URL Changes Coming to NHGIS Data Extract API](https://forum.ipums.org/t/url-changes-coming-to-nhgis-data-extract-api/3219)

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**Author:** [@fran](https://forum.ipums.org/u/fran)\
**Replies:** 0\
**Last updated:** [October 28, 2019, 8:17pm UTC](https://forum.ipums.org/t/url-changes-coming-to-nhgis-data-extract-api/3219 "2019-10-28T20:17:47Z")

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Part of participating in an early-access beta is helping us iron out the kinks, and we’ve come across one in our URL scheme. In short, we need to rework our scheme a bit, and we wanted to give you a heads up. In general…

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## [NHGIS Time Series and Table-Level Metadata Now Available!](https://forum.ipums.org/t/nhgis-time-series-and-table-level-metadata-now-available/3185)

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**Author:** [@fran](https://forum.ipums.org/u/fran)\
**Replies:** 0\
**Last updated:** [September 23, 2019, 6:05pm UTC](https://forum.ipums.org/t/nhgis-time-series-and-table-level-metadata-now-available/3185 "2019-09-23T18:05:45Z")

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We are pleased to announce the release of a new set of features for our beta NHGIS Metadata and Data Extract APIs. Highlights include: Time Series Tables. For the first time, the NHGIS time series tables are now avail…

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## [Our first public APIs are live!](https://forum.ipums.org/t/our-first-public-apis-are-live/2941)

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**Author:** [@grover](https://forum.ipums.org/u/grover)\
**Replies:** 2\
**Last updated:** [May 24, 2019, 7:24pm UTC](https://forum.ipums.org/t/our-first-public-apis-are-live/2941 "2019-05-24T19:24:40Z")

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IPUMS NHGIS Data Extracts and Metadata are now accessible via API! IPUMS is excited to announce that our first public APIs are ready for testing! You can now browse IPUMS NHGIS metadata using our IPUMS NHGIS Metadata API…

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## [What is an IPUMS API?](https://forum.ipums.org/t/what-is-an-ipums-api/2915)

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**Author:** [@grover](https://forum.ipums.org/u/grover)\
**Replies:** 0\
**Last updated:** [April 9, 2019, 6:47pm UTC](https://forum.ipums.org/t/what-is-an-ipums-api/2915 "2019-04-09T18:47:35Z")

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The IPUMS API will provide programmatic access to IPUMS metadata and data without having to interact directly with one of the IPUMS websites. Previously, data could only be retrieved from IPUMS by logging into a website …

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