Endpoint · lookupGETapi-staging.eckari.com /v1/locations/us/geographies ?lat=38.8977&lon=-77.0365
Return the US Census Bureau geographies containing a latitude/longitude — state, county, census tract, block group, census block, incorporated place, congressional district and…
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Return the US Census Bureau geographies containing a latitude/longitude — state, county, census tract, block group, census block, incorporated place, congressional district and ZIP Code Tabulation Area — each with its FIPS or GEOID. The standard way to attach official US statistical geography to a point. Use when: Which county and census tract is this coordinate in?Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.003 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://api-staging.eckari.com/v1/locations/us/geographies?lat=38.8977&lon=-77.0365
Seen
first 34 days ago · last 17 days ago
49 free handshakes
Payment
Pays through
x402
Offered on?
Base Sepolia USDC
Listed on?
Base Sepolia
Score, from free handshakes onlyweights 2026.09.4
UN
RATED
RATED
0.923 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held back by sample size, not by the seller · gap to 1.000 is 0.077: 0.077 uncertain ? + 0.000 short ?
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 1.00 | 0.872 | 0.523 | 0 | −0.077 | |
| latency p95 it answered as fast as its class |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.923 | gap to 1.000 = 0.077 · 0.000 short · 0.077 uncertain | 0.923 | −0.000 | −0.077 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.600 × 0.872 liveness
+ 0.200 × 1.000 latency p95
+ 0.200 × 1.000 price stability
= 0.923 → UNRATED: 48 of 30 paid calls weights 2026.09.4 · 48 samples · seed cap_01M1A59SF2BB85P66JE8YA3KGK|2026-08-25T15:18:23.525Z|2026.09.4
Verify it yourself
npx teppi-check https://api-staging.eckari.com/v1/locations/us/geographies?lat=38.8977&lon=-77.0365curl -s https://api.teppi.xyz/v1/trust/cap_01M1A59SF2BB85P66JE8YA3KGK