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Data.gov API - US Open Government Datasets

Try for free

Access the Data.gov catalog of 300,000+ US government datasets. Search datasets by topic, agency, format, and keywords. Discover open data from federal, state, and local governments

Pricing

from $0.01 / 1,000 results

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The Howlers

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Data.gov API - US Open Government Data Catalog

Access the Data.gov catalog of 300,000+ US government datasets. Search datasets by topic, agency, format, and keywords. Discover open data from federal, state, and local governments.

Note: this actor runs in Demo Mode by default, so a default free run returns sample data. Set demoMode to false to fetch real data.

Quick Start

Test with Demo Mode (free, no API key needed)

{
  "demoMode": true
}

Run with real data

{
  "demoMode": false,
  "task": "search_datasets",
  "searchQuery": "air quality",
  "limit": 20
}

Input Parameters

Parameter	Type	Default	Required	Description
`task`	string	`"search_datasets"`	Yes*	The operation to perform
`searchQuery`	string	-	No	Keywords to search in dataset titles and descriptions
`datasetId`	string	-	No	Unique dataset identifier
`agency`	string	-	No	Federal agency name or abbreviation
`topic`	string	-	No	Dataset topic/category
`format`	string	-	No	Dataset file format
`license`	string	-	No	Data license type
`limit`	integer	`100`	No	Maximum number of results to return
`webhookUrl`	string	-	No	URL to receive results via webhook
`demoMode`	boolean	`true`	No	Run with sample data (no API required)

Data sources and limits (updated 2026-10-15)

data.gov replaced its old CKAN API, so this actor now uses the new catalog API at catalog.data.gov (no key needed).

datasetId is the dataset slug from its catalog.data.gov URL.
search_by_agency accepts an organization slug (for example noaa, census) or name.
search_by_topic matches dataset keywords; get_topics lists the most common keywords (data.gov no longer has CKAN groups).
get_recent sorts by the date data.gov last harvested each record.
format filters the returned page by distribution format.
Results report returnedCount; the new catalog does not report a total match count.

Pricing

Each successful live call charges one event named after the task you ran (prices are on the Pricing tab), plus the standard Actor start fee. Not charged: Demo Mode runs, calls that fail or return an error row, and calls that return no rows.

Troubleshooting

"API error 429" or "Rate limit"

Too many requests. Wait a minute and try again, or reduce the number of items per run.

No results or empty dataset

Check the run log for error messages. Common causes:

Invalid input format (check the examples above)
The target data doesn't exist or is too small to track

How do I test without an API key?

Enable Demo Mode in the input. This returns realistic sample data so you can verify the output format works for your workflow.

Built by John Rippy | Actor Arsenal

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