Data USA
US public data as tidy JSON records
Data USA visualizes public US datasets and exposes them through its Tesseract data API. Pick a cube, drilldowns and measures and it returns aggregated records; the sample pulls US population by year from an ACS cube.
GET https://api.datausa.io/tesseract/data.jsonrecords?cube=acs_yg_total_population_5&drilldowns=Year&measures=Population
{
"columns": [
"Year",
"Population"
],
"data": [
{
"Year": 2013,
"Population": 311536594
},
{
"Year": 2014,
"Population": 314107084
}
],
"page": {
"total": 12
}
}curl "https://api.datausa.io/tesseract/data.jsonrecords?cube=acs_yg_total_population_5&drilldowns=Year&measures=Population"const res = await fetch("https://api.datausa.io/tesseract/data.jsonrecords?cube=acs_yg_total_population_5&drilldowns=Year&measures=Population");
const data = await res.json();
console.log(data);import requests
res = requests.get("https://api.datausa.io/tesseract/data.jsonrecords?cube=acs_yg_total_population_5&drilldowns=Year&measures=Population")
print(res.json())/tesseract/data.jsonrecords?cube=acs_yg_total_population_5&drilldowns=Year&measures=PopulationPROBEDUS public data as tidy JSON records
/tesseractTesseract — documented GET route.
/tesseract/1Tesseract details by ID (example: 1).
/tesseract?limit=10Tesseract — documented GET route.
/tesseract/search?q=testSearch by query parameters.
/tesseract/data.jsonrecords?limit=5Data Jsonrecords — documented GET route.
We probe a documented GET and expect 2xx JSON — full uptime and health score. Export includes every documented route below.
Stable. No schema drift observed since monitoring began — the response shape has not changed under our checks.
Data USA: common questions
Is Data USA free to use?
Yes — Data USA is a free government API. Free tier: Free — limits not published. Whether the free tier allows commercial use is unclear — check the provider docs.
Does Data USA need an API key?
No — Data USA needs no API key or signup. You can call it straight away; rate limits still apply (Unpublished).
Can I call Data USA from the browser?
Yes — Data USA returns CORS headers over HTTPS, so front-end code can fetch it directly with no backend proxy. Use the fetch snippet on this page, or hit "Run live" to try it now.
Is Data USA up right now?
As of our last scheduled check, Data USA is unmonitored. We re-probe it every sweep — the status badge and uptime chart above always show the latest.