National time-series for any BDL variable

Code snippets

curl "https://api.oanor.com/poland-stats-api/v1/variable" \
  -H "x-oanor-key: oanor_test_..."

await fetch("https://api.oanor.com/poland-stats-api/v1/variable", {
  headers: { "x-oanor-key": "oanor_test_..." }
});

$ch = curl_init("https://api.oanor.com/poland-stats-api/v1/variable");
curl_setopt($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/poland-stats-api/v1/variable",
    headers={"x-oanor-key": "oanor_test_..."}
)

Example response

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

{
    "data": {
        "unit": "POLAND",
        "count": 12,
        "series": [
            {
                "year": "2025",
                "value": 103.6
            },
            {
                "year": "2024",
                "value": 103.6
            },
            {
                "year": "2023",
                "value": 111.4
            },
            {
                "year": "2022",
                "value": 114.4
            },
            {
                "year": "2021",
                "value": 105.1
            },
            {
                "year": "2020",
                "value": 103.4
            },
            {
                "year": "2019",
                "value": 102.3
            },
            {
                "year": "2018",
                "value": 101.6
            },
            {
                "year": "2017",
                "value": 102
            },
            {
                "year": "2016",
                "value": 99.4
            },
            {
                "year": "2015",
                "value": 99.1
            },
            {
                "year": "2014",
                "value": 100
            }
        ],
        "variable_id": 217230,
        "measure_unit_id": 1
    },
    "meta": {
        "timestamp": "2026-06-15T11:14:31.989Z",
        "request_id": "589efdb4-1fdf-4f34-b980-be32ae03d394"
    },
    "status": "ok",
    "message": "Variable retrieved successfully",
    "success": true
}