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OneShot Agent API – US Address Place Resolver
x402
OneShot Agent API – US Address Place Resolver is a paid API for AI agents from win.oneshotagent.com, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-19).
Resolves a US street address to standardized geographic data including coordinates, census tract, county, city name, and matched postal address.
Price / call$0.002
Success—
StatusUnknown
How this service works
Resolve a US street address to its coordinates and its state, county and census tract codes.
Output
Returns a JSON object with found status, standardized street, city, state, postal code, matched address string, latitude, longitude, census tract ID, block ID, county ID and name, place name, state code, and candidate count.
Example use cases
Property address geocoding for real estate app
“I have a property listing at 742 Evergreen Terrace, Springfield, IL 62704 — can you resolve that address and get me the exact latitude, longitude, county, and census tract?”
Address standardization before data export
“I need to normalize this customer address before I upload it — please resolve '55 Water St, New York, NY' and return the standardized matched address with ZIP code.”
Census geography lookup for compliance reporting
“For our fair lending report, can you look up 3000 Biscayne Blvd, Miami, FL and tell me the census tract ID, county FIPS code, and block ID?”
Technical details
Endpoint
POSThttps://win.oneshotagent.com/v1/tools/resolve/place?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to geocode, standardize, or enrich a US street address with census geography data (tract, block, county FIPS) in a single pay-per-call, no-API-key call over x402 with USDC. Prefer it over general geocoding APIs when you also need census-level identifiers (tract_id, block_id, county_id) alongside coordinates and do not want to manage API credentials.
Side effects
- Address not found in database (found: false, candidates: 0)
- Ambiguous address returns multiple candidates with lower confidence
- Malformed or non-US address returns an error or found: false
- Missing city/state/ZIP causes resolution failure
- PO boxes or non-standard addresses may not resolve
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| address | string | A US street address on one line, with city and state or ZIP, for example 1600 Pennsylvania Ave NW, Washington, DC. 5 to 200 characters. |
Output
Schema · Response
{
"type": "json",
"example": {
"city": "WASHINGTON",
"found": true,
"state": "DC",
"street": "1600 PENNSYLVANIA AVE NW",
"block_id": "110019800001034",
"latitude": 38.898702605245,
"tract_id": "11001980000",
"county_id": "11001",
"longitude": -77.035189204737,
"candidates": 1,
"place_name": "Washington city",
"state_code": "11",
"county_code": "001",
"county_name": "District of Columbia",
"postal_code": "20500",
"matched_address": "1600 PENNSYLVANIA AVE NW, WASHINGTON, DC, 20500"
}
}Tags
x402
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