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Türkiye: koordinat, posta kodu VEYA il/ilçe/mahalle adı → resmî idari hiyerarşi (il+plaka, ilçe, mahalle/köy, posta kodları) + NUTS-TR istatistik kodları.
WGS84 latitude of the point to resolve (decimal degrees). (-90–90)
WGS84 longitude of the point to resolve (decimal degrees). (-180–180)
Postal code to resolve. Spaces/dashes are ignored, case-insensitive (e.g. '10115', '75001', 'SW1A1AA').
Province (il) name, e.g. İstanbul, Ankara, İzmir. Turkish characters optional (istanbul works).
District (ilçe) name within the province.
Neighborhood (mahalle) or village (köy) name.
If true, include the (simplified) boundary polygon as GeoJSON. Default false — geometries are large; lookups never depend on this.
curl -X POST https://api.reefapi.com/geo-postal/v1/tr_regions \
-H "x-api-key: $REEF_KEY" \
-H "content-type: application/json" \
-d '{"lat":"41.0082","lon":"28.9784"}'Hit Send to run this endpoint live.