/v1/crs
A CRS definition with PROJ.4 & WKT
Essayez-le en direct
10 appels gratuits par jour — sans inscription, sans clé API. Passe par la passerelle oanor.
Ça marche. Récupérez une clé API et utilisez-la dans votre projet.
Obtenez une clé APIExtraits de code
curl "https://api.oanor.com/epsg-api/v1/crs" \ -H "x-oanor-key: oanor_test_..."
await fetch("https://api.oanor.com/epsg-api/v1/crs", {
headers: { "x-oanor-key": "oanor_test_..." }
});
$ch = curl_init("https://api.oanor.com/epsg-api/v1/crs");
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$out = curl_exec($ch);
import requests
requests.get(
"https://api.oanor.com/epsg-api/v1/crs",
headers={"x-oanor-key": "oanor_test_..."}
)
Exemple de réponse
Une réponse réelle de ce endpoint, capturée lors du dernier contrôle de santé.
{
"data": {
"crs": {
"url": "https://epsg.io/4326",
"wkt": "GEOGCS[\"WGS 84\",DATUM[\"WGS_1984\",SPHEROID[\"WGS 84\",6378137,298.257223563,AUTHORITY[\"EPSG\",\"7030\"]],AUTHORITY[\"EPSG\",\"6326\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"4326\"]]",
"code": 4326,
"kind": "geographic 2D",
"name": "WGS 84",
"proj4": "+proj=longlat +datum=WGS84 +no_defs +type=crs",
"scope": "Horizontal component of 3D system.",
"remark": null,
"deprecated": false,
"area_of_use": "World (by country)"
}
},
"meta": {
"timestamp": "2026-06-01T16:22:45.494Z",
"request_id": "7b29f202-6e83-42d2-9680-223018b19238"
},
"status": "ok",
"message": "Coordinate system retrieved",
"success": true
}