Endpoint · market dataGETfinance-api.kdlcfa.workers.dev/cpi-us

US Consumer Price Index (CPI) year-over-year inflation rate, via FRED (CPIAUCSL)

UNRATEDDelisted

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.01 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0xe3738580…59d2668d

URL

https://finance-api.kdlcfa.workers.dev/cpi-us

Seen

first 34 days ago · last 17 days ago

49 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC

Listed on?

Base

Score, from free handshakes onlyweights 2026.09.4

UN
RATED

0.433 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held down by liveness · gap to 1.000 is 0.567: 0.158 uncertain ? + 0.409 short ? · 0.017 to D

How the composite of 0.433 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
livenesscosts the most it answered at all	0.60	0.65	0.388		0.233	−0.209	−0.158
latency p95 it answered as fast as its class	0.20	0.00	0.000		0.000	−0.200	0
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.433	gap to 1.000 = 0.567 · 0.409 short · 0.158 uncertain	0.433	−0.409	−0.158

Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check

The multiplication, written out

  0.600 × 0.388   liveness       
+ 0.200 × 0.000   latency p95    
+ 0.200 × 1.000   price stability
= 0.433           → UNRATED: 48 of 30 paid calls      weights 2026.09.4 · 48 samples · seed cap_01M1A59W32F4G39AY79MTDZCZW|2026-08-25T15:50:01.620Z|2026.09.4

Verify it yourselfnpx teppi-check https://finance-api.kdlcfa.workers.dev/cpi-uscurl -s https://api.teppi.xyz/v1/trust/cap_01M1A59W32F4G39AY79MTDZCZW