Endpoint · market dataPOSTintel.rallylive.ca /data/currency-history
Historical exchange rates: the ECB rate between two currencies on a given date, or a daily series over a date range (up to a year), with min, max and average.
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Historical exchange rates: the ECB rate between two currencies on a given date, or a daily series over a date range (up to a year), with min, max and average. Backtesting, invoicing and reporting. $0.01 per query.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?
URL
https://intel.rallylive.ca/data/currency-history
Seen
first 22 days ago · last 12 hr ago
40 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC, Base Sepolia
Listed on?
Base, Base Sepolia
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.902 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held back by sample size, not by the seller · gap to 1.000 is 0.098: 0.097 uncertain ? + 0.001 short ?
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 1.00 | 0.842 | 0.505 | 0 | −0.095 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 0.983 | 0.197 | −0.001 | −0.003 | |
| latency p95 it answered as fast as its class |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.902 | gap to 1.000 = 0.098 · 0.001 short · 0.097 uncertain | 0.902 | −0.001 | −0.097 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.600 × 0.842 liveness
+ 0.200 × 0.983 price stability
+ 0.200 × 1.000 latency p95
= 0.902 → UNRATED: 39 of 30 paid calls weights 2026.09.6 · 39 samples · seed cap_01M2A296RAGZFPYCWZMHF0F7FD|2026-09-03T10:42:21.759Z|2026.09.6
Verify it yourself
npx teppi-check https://intel.rallylive.ca/data/currency-historycurl -s https://api.teppi.xyz/v1/trust/cap_01M2A296RAGZFPYCWZMHF0F7FD