https://api.sandbase.ai/v1/api/censusdata-xyz/queryAsk any US Census question in plain English for a state, county, city, metro area, or ZIP code.
Your output will appear here
Complete the inputs, then click Run.
Ask any US Census question in plain English for a state, county, city, metro area, or ZIP code.
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Platform API endpoint with unified authentication and usage tracking.
# The quoted heredoc keeps Unicode and shell metacharacters unchanged.
result=$(curl --fail-with-body --silent \
-X POST "https://api.sandbase.ai/v1/api/censusdata-xyz/query" \
-H "Authorization: Bearer $SANDBASE_API_KEY" \
-H "Content-Type: application/json" \
--data-binary @- <<'SANDBASE_JSON'
{
"q": "median household income in Austin, Texas"
}
SANDBASE_JSON
)
printf '%s\n' "$result"Set your SandBase API key in your server environment. Requests use Bearer authentication.
export SANDBASE_API_KEY="YOUR_API_KEY"Keep your key on the server. Do not expose it in browser code.
qstringrequiredA natural-language US Census question. Specify the indicators, geographies (states, counties, cities/places, or ZIP codes), and years of interest in plain English. Examples: 'What is the poverty rate in Chicago, IL?'; 'Compare the median household income and work from home percentage in Seattle, WA and Portland, OR in 2022.'; 'Which counties in Washington state have the highest bachelor's degree percentages?'
Saved example response for this API; no live request is made when viewing it.
No saved response has been published. Run the API in Playground to inspect its response.
Explore more
| API | Price | Response |
|---|---|---|
US Census QueryThis API US Census | $0.01 per call | Async JSON |
US Census | From $0 per call | Async JSON |
Questions
Send a POST request to https://api.sandbase.ai/v1/api/censusdata-xyz/query with your SandBase API key in the Authorization header (Bearer) and the parameters as a JSON body. You can also try it in the Playground on this page without writing code.
$0.01 per call, billed from your SandBase balance. You are only charged for calls you make; there is no subscription.
Required: q (string). The Parameters table and the Playground on this page list every field.
A JSON result. This endpoint runs asynchronously, so the response tells you how to fetch the finished result.
No. US Census Query runs through SandBase, so one SandBase API key covers this endpoint and every other API and model in the catalog. You do not need to apply for US Census API access separately.