Endpoint · computeGET2s.io /api/inflation/calculator ?amount=100&from=1990-01-01
Adjust a US dollar amount for inflation between two dates ('what is $100 in 1990 worth today?').
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Adjust a US dollar amount for inflation between two dates ('what is $100 in 1990 worth today?'). Pass amount, from (YYYY-MM-DD or YYYY), and optional to (defaults to the latest CPI month). Uses CPI-U (CPIAUCNS — the same not-seasonally-adjusted all-items index as the official BLS inflation calculator), data back to 1913. Returns the inflation-adjusted amount, cumulative inflation %, annualized rate, and the CPI index values used on each date. Source: BLS CPI via FRED (St. Louis Fed).Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.003 per call
Paid calls
none yet
delivery unknown until someone pays
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URL
https://2s.io/api/inflation/calculator?amount=100&from=1990-01-01
Seen
first 35 days ago · last 27 days ago
28 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC, Solana
Listed on?
Base, Solana
Score, from free handshakes onlyweights 2026.09.1
UN
RATED
RATED
0.668 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by latency p95 · gap to 1.000 is 0.332: 0.132 uncertain ? + 0.200 short ? · 0.132 to B
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.00 | 0.000 | 0.000 | −0.200 | 0 | |
| liveness it answered at all |
0.60 | 1.00 | 0.780 | 0.468 | 0 | −0.132 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.668 | gap to 1.000 = 0.332 · 0.200 short · 0.132 uncertain | 0.668 | −0.200 | −0.132 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.200 × 0.000 latency p95
+ 0.600 × 0.780 liveness
+ 0.200 × 1.000 price stability
= 0.668 → UNRATED: 28 of 30 paid calls weights 2026.09.1 · 28 samples · seed cap_01M1A59YET64MYCWKMH76M5STM|2026-08-15T04:05:01.921Z|2026.09.1
Verify it yourself
npx teppi-check https://2s.io/api/inflation/calculator?amount=100&from=1990-01-01curl -s https://api.teppi.xyz/v1/trust/cap_01M1A59YET64MYCWKMH76M5STM