US Counties and FIPS
us-counties.x402tookit.com · 8 paid endpoints · listed 2026-11-02
State totals from county data: county count, land and water area, population, density, largest and smallest counties.
Paid endpoints
| Method | Endpoint | Price | Networks |
|---|---|---|---|
| GET | us-counties.x402tookit.com/counties-by-population Rank US counties by July 2025 population estimate, nationally or within one state; largest or smallest first. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | us-counties.x402tookit.com/counties-in-state List a state's counties or county equivalents with FIPS, population and land area; resolves FIPS, postal code or name. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | us-counties.x402tookit.com/county-density Population density of a US county per square mile and km of land, with national and state rank and US average. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | us-counties.x402tookit.com/county-lookup US county by 5-digit FIPS or name plus state: name, area, population, density, centroid. Census Bureau data. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | us-counties.x402tookit.com/county-nearest-to-point Counties whose Census centroids are nearest a latitude and longitude, with great-circle distance. Not point-in-polygon. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | us-counties.x402tookit.com/county-search Search US counties by full or partial name, optionally within one state; ranked, capped at 50. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | us-counties.x402tookit.com/fips-parse-and-validate Split a county FIPS into state and county parts, check both exist, flag retired, legacy or zero-dropped codes. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | us-counties.x402tookit.com/state-summary State totals from county data: county count, land and water area, population, density, largest and smallest counties. | $0.02 | Polygon, Arbitrum, Base, Solana |
Latest checks
| When | Endpoint | HTTP | ms | Result |
|---|---|---|---|---|
| Not checked yet. | ||||
Income on Base (7 days)
This provider's payout address is shared by several providers, so its income is not shown as its own.
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x402_provider_claim (sign with your payout address), and get an alert within minutes when it stops answering with x402_monitor_create ($5 for 30 days). Both work over MCP (https://logicnodes.io/mcp/v2) or POST https://logicnodes.io/v1/tools/<tool>.Income is all USDC received by the provider's payout address on Base, whatever the source. Score: 0-100: 50 x share of checks in the last 72 h that returned valid x402 payment terms + 30 x min(1, log10(1 + USDC received in 7 days) / 4) + 20 x min(1, log10(1 + distinct payers in 7 days) / 3). A provider never checked scores on income only; income is all USDC received by its payout address on Base, whatever the source. JSON: /v1/observatory/providers/us-counties.x402tookit.com