Endpoint · market dataGETdata.greeneris.io /v1/oecd/cpi ?country=USA&last_n=3
Headline national CPI, year-on-year growth rate (%), monthly, from the official OECD SDMX API (dataset DSD_PRICES@DF_PRICES_ALL).
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Headline national CPI, year-on-year growth rate (%), monthly, from the official OECD SDMX API (dataset DSD_PRICES@DF_PRICES_ALL). Complements Eurostat HICP with USA, GBR, JPN, CAN and other OECD economies under one methodology. Query: ?country=USA (REF_AREA code) &last_n=12 (1-24 months, default 1). Returns date-sorted observations plus the latest print; 24h cache. Recency varies by country; series older than 18 months are refused (502, not charged). Data: OECD, CC BY 4.0.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.002 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://data.greeneris.io/v1/oecd/cpi?country=USA&last_n=3
MCP server on this host: io.github.contentfactory/eu-verify
Seen
first 34 days ago · last 8 days ago
64 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.840 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by latency p95 · gap to 1.000 is 0.160: 0.071 uncertain ? + 0.089 short ? · 0.060 to A
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.55 | 0.517 | 0.103 | −0.089 | −0.008 | |
| liveness it answered at all |
0.60 | 1.00 | 0.894 | 0.536 | 0 | −0.064 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.840 | gap to 1.000 = 0.160 · 0.089 short · 0.071 uncertain | 0.840 | −0.089 | −0.071 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.200 × 0.517 latency p95
+ 0.600 × 0.894 liveness
+ 0.200 × 1.000 price stability
= 0.840 → UNRATED: 58 of 30 paid calls weights 2026.09.6 · 58 samples · seed cap_01M1A59YAYRFH5MKZB8GSDBFVC|2026-09-02T09:32:41.189Z|2026.09.6
Verify it yourself
npx teppi-check https://data.greeneris.io/v1/oecd/cpi?country=USA&last_n=3curl -s https://api.teppi.xyz/v1/trust/cap_01M1A59YAYRFH5MKZB8GSDBFVC