{OP_PREFIX}{NUMERIC}, for example IPC251856 (CPI), CNTR6654 (GDP YoY), EPA452434 (unemployment rate), DPOP1 (population total). Use either nult for last-N observations or date for an explicit window (format YYYYMMDD:YYYYMMDD).x-api-key: ********************curl --location '/api/v1/ine/series/IPC251856?nult=12&date=20240101%3A20241231&lang=en' \
--header 'x-api-key: <api-key>'{
"data": {
"series": {
"serie_id": "string",
"name": "",
"unit": "string",
"scale": "string",
"observations": [
{
"date": "string",
"value": 0,
"year": 0,
"period": "string",
"data_type": "string",
"confidential": true
}
],
"count": 0
}
},
"meta": {
"endpoint": "/api/v1/fred/us/cpi",
"data_time": "2026-04-16T14:30:00Z",
"response_time": "2026-04-16T14:30:12Z",
"provider": "Sugra API v1.0.1",
"source": "string",
"fallback_used": true,
"fallback_chain": [
"string"
],
"cached": true
}
}