api.tickersfeed.net econ inflation

https://api.tickersfeed.net/econ/inflation

payable

US inflation calculator — cumulative CPI inflation between any two years, e.g. what $100 in 1990 is worth today (?from=1990&to=2026&amount=100). Returns cumulative inflation % and the inflation-adjusted value as JSON, from official CPI data via FRED (Federal Reserve). Use for: purchasing power comparison, real vs nominal value, historical price adjustment, cost-of-living calculation. $0.003 USDC p

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.

Price: $0.003
Network: base
Pay to: 0xE82EBef57Fa5aF958B8ECB6843D4327d314F59E3
Spec dialect: v2 (declares x402Version 2)
Transport: PAYMENT-REQUIRED header
HTTP method: GET
Response latency: 146 ms
Payment options: 1 usable of 1
Last checked: 2026-08-10T09:15:58.734Z (1d ago)
Category: finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.tickersfeed.net%2Fecon%2Finflation"