/observations/<seriesCode>/json. To request multiple codes in one call, comma-separate them (practical Valet limit is about 10 to 15 codes per request)./boc/catalog for recommended codes. Time-window parameters mirror the Valet API.x-api-key: ********************curl --location 'https://sugra.ai/api/v1/boc/series/AVG.INTWO?recent=30&recent_weeks=4&recent_months=6&recent_years=5&start_date=2025-01-01&end_date=2026-04-17' \
--header 'x-api-key: <api-key>'{
"data": {
"seriesDetail": {
"property1": {
"label": "string",
"description": "string",
"frequency": "string",
"unit": "string",
"decimals": 0,
"property1": "string",
"property2": "string"
},
"property2": {
"label": "string",
"description": "string",
"frequency": "string",
"unit": "string",
"decimals": 0,
"property1": "string",
"property2": "string"
}
},
"count": 0,
"observations": [
{
"d": "string",
"property1": "string",
"property2": "string"
}
],
"property1": "string",
"property2": "string"
},
"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",
"data_age_days": 0,
"source": "string",
"attribution": "string",
"fallback_used": true,
"fallback_chain": [
"string"
],
"cached": true,
"stale": true,
"period": "string",
"notes": "string"
}
}