{"slug":"duo-data-utilities-2a86c8d5","name":"Duo Data Utilities","summary":"Geometric predicates on a GeoJSON geometry supplied in the request: point-in-polygon with correct hole handling, bounding box, centroid, signed area in square metres, perimeter length, and ring winding order. Accepts Polygon and MultiPolygon, and a GeoJSON Feature wrapping either. Area and length are geodesic on the WGS-84 ellipsoid, correct at any latitude; containment is planar in lon/lat.","status":"live","indexable":true,"listed_since":"2026-10-25T17:51:56.373047Z","sources":[{"source":"x402_bazaar","external_id":"https://api.duoleads.com/v1/geo/polygon","owner_address":"0xcd673f7e1dad254347aeab6be0defe8b9c6b3a39","seen_at":"2026-10-26T06:00:22.908144Z","removed_at":null}],"endpoints":[{"url":"https://api.duoleads.com/v1/geo/polygon","host":"api.duoleads.com","protocol":"x402","state":"live","last_probe_at":"2026-10-26T04:44:49.477730Z","last_ok_at":"2026-10-26T04:44:49.477730Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[{"slug":"api-duoleads-com-e21aa0bc","name":"api.duoleads.com"}],"payment_options":[],"usage":{"source":"x402_bazaar","unique_payers_30d":1,"paid_calls_30d":2,"last_paid_at":"2026-10-01T20:52:37.416Z","reported_at":"2026-10-26T06:00:22.908144Z"},"notice":"Not affiliated with addrbook — claim or request removal."}