Maxwell x402 · api.maxwellinternational.ai
FRED (Federal Reserve Bank of St
Louis) series observations by series id, e.g. GDP, UNRATE, CPIAUCSL: dates and values with the series title, units and frequency.
Sample input
input3 keys
method"GET"
queryParams1 key
id"CPIAUCSL"
type"http"
inputobject, 3 keysSample response
response12 keys
count119
fetchedAt"2026-10-05T08:14:41.748Z"
frequency"Monthly"
lastUpdated"2026-09-11 08:37:49-05"
latest2 keys
date"2026-08-01"
value"334.131"
observations1 item
0{ date, value }2 keys
oktrue
seasonalAdjustment"Seasonally Adjusted"
seriesId"CPIAUCSL"
source"https://api.stlouisfed.org/fred/series/observations"
title"Consumer Price Index for All Urban Consumers: All Items in U.S. City Average"
units"Index 1982-1984=100"
responseobject, 12 keysTrack record
- Paid calls, last 30 days
- 11
- Buyers, last 30 days
- 3
- Last paid call
Reported by the x402 directory.