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GET /v1/decode

Decode a polyline to coordinates

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10 free calls per day — no sign-up, no API key. Goes through the oanor gateway.

Custom headers (optional)
api.oanor.com/polyline-api

It works. Grab an API key and use it in your project.

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Code snippets

curl "https://api.oanor.com/polyline-api/v1/decode" \
  -H "x-oanor-key: oanor_test_..."
await fetch("https://api.oanor.com/polyline-api/v1/decode", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
$ch = curl_init("https://api.oanor.com/polyline-api/v1/decode");
curl_setopt($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/polyline-api/v1/decode",
    headers={"x-oanor-key": "oanor_test_..."}
)

Example response

A real response from this endpoint, captured by the latest health check.

{
    "data": {
        "precision": 5,
        "coordinates": [
            {
                "lat": 38.5,
                "lng": -120.2
            },
            {
                "lat": 40.7,
                "lng": -120.95
            },
            {
                "lat": 43.252,
                "lng": -126.453
            }
        ],
        "point_count": 3
    },
    "meta": {
        "timestamp": "2026-06-02T16:51:50.532Z",
        "request_id": "b40f7030-7f97-49e4-916a-ce839b559d4d"
    },
    "status": "ok",
    "message": "Decode an encoded polyline to coordinates",
    "success": true
}