cipher-fred — x402-gated FRED macro indicator API

FRED macro lookup, $0.005 per call.

Latest observation, 12-month change %, and trend label for any FRED series. Powered by the St. Louis Fed open API.

Endpoint

GET https://cipher-fred.vercel.app/api/fred/:series_id

# Example series: CPIAUCSL (CPI), FEDFUNDS (Fed funds rate), UNRATE (unemployment)
#                 DGS10 (10y treasury), M2SL (M2 money supply)
# Unpaid: HTTP 402 + accept-list JSON ($0.005 USDC on Base)
# Paid  : HTTP 200 + { series_id, latest_value, latest_date, change_12mo_pct, trend }

Payout

x402 payout wallet (Base / USDC): 0xa0630fAD18C732e94D56d2D5F630963eb8fB9640