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Data USA

US public data as tidy JSON records

🏛 GovernmentHEALTHYchecked 5h ago
AUTH NONECORS ✓AGENT ✓HTTPS ✓COMMERCIAL ?

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.

94HOW IT'S SCORED ⓘ
▶ Run liveDocs ↗
Status badge · for your READMEshipapis health badge: 94 · healthy
Uptime history
100%90 days
100%30 days
433P50 · ms
788P95 · ms
operationalpartialdownno data
Response time · last 48 checks
Fastest 50 ms, slowest 752 ms, most recent 244 ms.
Live response samplecaptured by our last successful check
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
  }
}
Call itcurl · fetch · python
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())
Endpoints · 6HealthyFULL DOCS ↗
Monitored path responding — GET /tesseract/data.jsonrecords?cube=acs_yg_total_population_5&drilldowns=Year&measures=Population433 mschecked 5h ago
GET/tesseract/data.jsonrecords?cube=acs_yg_total_population_5&drilldowns=Year&measures=PopulationPROBED

US public data as tidy JSON records

GET/tesseract

Tesseract — documented GET route.

GET/tesseract/1

Tesseract details by ID (example: 1).

GET/tesseract?limit=10

Tesseract — documented GET route.

GET/tesseract/search?q=test

Search by query parameters.

GET/tesseract/data.jsonrecords?limit=5

Data Jsonrecords — documented GET route.

Machine-readable spec

We probe a documented GET and expect 2xx JSON — full uptime and health score. Export includes every documented route below.

Response-shape history

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 healthy with 100% uptime over 90 days and a 433 ms median response. We re-probe it every sweep — the status badge and uptime chart above always show the latest.