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BLS CPI-U Monthly History
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BLS CPI-U Monthly History is a paid API for AI agents from x402-data-bazaar.vercel.app, paid per call via x402, $0.008/call, status down (last checked 2026-09-15).
Returns Consumer Price Index (CPI-U, All Items, US City Average) monthly values with historical data going back a configurable number of years
Price / call$0.008
Success—
StatusDown
How this service works
Consumer Price Index (CPI-U) -- All Items, US City Average. Monthly values with history. Optional ?years=10 (default 5).
Output
Returns a JSON object with the latest CPI-U value (year, period/month, numeric value), a chronological array of monthly CPI-U readings for the requested history window, and the BLS series ID (CUUR0000SA0). Source is attributed to the Bureau of Labor Statistics.
Example use cases
Example prompt
“Pull me the last 10 years of monthly CPI-U all-items data for the US city average from the Bureau of Labor Statistics so I can see how consumer prices have trended.”
Technical details
Endpoint
GEThttps://x402-data-bazaar.vercel.app/api/bls/cpiWhen to prefer
Use this endpoint when you need official US Consumer Price Index (CPI-U, All Items) monthly data sourced directly from the Bureau of Labor Statistics, especially for inflation tracking, economic analysis, cost-of-living calculations, or historical price comparisons. Prefer this over scraping BLS directly since it wraps BLS data in a clean JSON API with configurable history depth.
Side effects
- Invalid or non-numeric 'years' parameter may return an error or default to 5 years
- BLS upstream data unavailability could cause stale or failed responses
- Requesting far more years than available data may silently truncate the history array
- Payment not sent or insufficient USDC balance returns 402 Payment Required
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| years | string | How many years of monthly history to return |
Output
Schema · Response
{
"data": {
"latest": {
"year": "2026",
"value": 326.785,
"period": "February"
},
"history": [
{
"year": "2026",
"value": 326.785,
"period": "February"
},
{
"year": "2026",
"value": 325.252,
"period": "January"
}
],
"seriesId": "CUUR0000SA0"
},
"source": "Bureau of Labor Statistics",
"success": true
}Tags
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