Endpoint · computeGET2s.io /api/fx/rates ?base=USD&symbols=EUR%2CGBP%2CJPY
Daily reference exchange rates from the European Central Bank (via Frankfurter).
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Daily reference exchange rates from the European Central Bank (via Frankfurter). 30+ major currencies. Pass base = 3-letter ISO 4217 currency (default USD), optional symbols = comma-separated target codes (default = all available), optional date = YYYY-MM-DD for historical rates (history back to 1999, business days only; omit for latest), optional amount to convert (default 1). Returns base, date, amount, and a map of currency code → rate.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
More info
Seller?
URL
https://2s.io/api/fx/rates?base=USD&symbols=EUR%2CGBP%2CJPY
Seen
first 29 days ago · last 18 hr ago
55 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC, Solana
Listed on?
Base, Solana
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.793 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by latency p95 · gap to 1.000 is 0.207: 0.096 uncertain ? + 0.110 short ? · 0.007 to B
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.45 | 0.316 | 0.063 | −0.110 | −0.027 | |
| liveness it answered at all |
0.60 | 1.00 | 0.884 | 0.530 | 0 | −0.070 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.793 | gap to 1.000 = 0.207 · 0.110 short · 0.096 uncertain | 0.793 | −0.110 | −0.096 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.200 × 0.316 latency p95
+ 0.600 × 0.884 liveness
+ 0.200 × 1.000 price stability
= 0.793 → UNRATED: 53 of 30 paid calls weights 2026.09.6 · 53 samples · seed cap_01M1RDABBF0JGYSB8PYX1A1FW7|2026-09-03T10:11:11.115Z|2026.09.6
Verify it yourself
npx teppi-check https://2s.io/api/fx/rates?base=USD&symbols=EUR%2CGBP%2CJPYcurl -s https://api.teppi.xyz/v1/trust/cap_01M1RDABBF0JGYSB8PYX1A1FW7