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FRED Historical Observations
x402
FRED Historical Observations is a paid API for AI agents from fred-x402.vercel.app, paid per call via x402, $0.003/call, status down (last checked 2026-10-12).
Returns up to 100 chronological historical data points for any FRED economic series by series ID or plain-English name
Price / call$0.003
Success—
StatusDown
How this service works
Historical observations for any FRED series. Returns up to 100 data points in chronological order. Great for trend analysis and time-series modeling.
Output
Returns a JSON object containing the series ID, full title, units (e.g. '%'), frequency (e.g. 'M' for monthly), and an array of up to 100 observations sorted chronologically, each with a date and numeric value.
Example use cases
Example prompt
“Pull the last 48 monthly observations of the US unemployment rate (UNRATE) from FRED so I can analyze the trend over the past 4 years.”
Technical details
Endpoint
GEThttps://fred-x402.vercel.app/fred/history?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need multiple historical data points for trend analysis, charting, or time-series modeling of any US economic indicator available on FRED. Prefer this over the latest-value endpoint when you need more than a single current reading, and over the search endpoint when you already know the series ID or a descriptive name.
Side effects
- Invalid or unknown series ID returns an error or empty observations array
- Limit exceeding 100 is clamped or rejected
- Plain-English name fails to resolve to a known FRED series
- Payment not processed results in HTTP 402 response
- Network timeout or Vercel cold-start delay
Input
{
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"id": "GDP",
"limit": "12"
}
}
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
{
"id": "GDP",
"title": "Gross Domestic Product",
"units": "Bil. of $",
"frequency": "Q",
"observations": [
{
"date": "2026-01-01",
"value": 31819.464
},
{
"date": "2025-10-01",
"value": 31422.526
},
{
"date": "2025-07-01",
"value": 31098.027
},
{
"date": "2025-04-01",
"value": 30485.729
},
{
"date": "2025-01-01",
"value": 30042.113
},
{
"date": "2024-10-01",
"value": 29825.182
},
{
"date": "2024-07-01",
"value": 29511.664
},
{
"date": "2024-04-01",
"value": 29147.044
},
{
"date": "2024-01-01",
"value": 28708.161
},
{
"date": "2023-10-01",
"value": 28424.722
},
{
"date": "2023-07-01",
"value": 28074.846
},
{
"date": "2023-04-01",
"value": 27530.055
}
]
}Tags
x402
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