Airports Reference
airports-reference.x402tookit.com · 8 paid endpoints · listed 2026-11-02
Busiest large airports ranked by annual passengers (latest Wikidata figure), optionally by country or continent.
Paid endpoints
| Method | Endpoint | Price | Networks |
|---|---|---|---|
| GET | airports-reference.x402tookit.com/airport-code-convert Convert an airport code between IATA (3 letters) and ICAO (4 letters) and validate the format; reports unknown codes. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | airports-reference.x402tookit.com/airport-distance Great-circle distance in km, miles and nautical miles between two airports, with a rough flight time estimate. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | airports-reference.x402tookit.com/airport-lookup Find an airport by IATA code, ICAO code or name with fuzzy matching: location, elevation, type, longest runway. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | airports-reference.x402tookit.com/airport-runways Runway facts for an airport by IATA, ICAO or name: longest runway, surface, lighting, headings, closed runways. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | airports-reference.x402tookit.com/airport-timezone Time zone offset of an airport: reports whether the dataset has one (it does not) and gives a nominal solar offset. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | airports-reference.x402tookit.com/airports-in List airports in a country or ISO region (like US-CO) filtered by size and scheduled service, with codes. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | airports-reference.x402tookit.com/airports-near Nearest airports to a latitude and longitude with distance, bearing, type and codes; filter by size or scheduled service. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | airports-reference.x402tookit.com/big-hubs Busiest large airports ranked by annual passengers (latest Wikidata figure), optionally by country or continent. | $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/airports-reference.x402tookit.com