Endpoint · extractionGETagent402.tools /api/exchange-rates ?currencies=usd%2Ceur%2Ceth%2Cxau
BTC-denominated exchange rates for ~60 units: crypto (ETH, LTC, BNB, SOL, ...), fiat (USD, EUR, JPY, ...) and commodities (gold, silver ounces), each as units per 1 BTC with name…
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BTC-denominated exchange rates for ~60 units: crypto (ETH, LTC, BNB, SOL, ...), fiat (USD, EUR, JPY, ...) and commodities (gold, silver ounces), each as units per 1 BTC with name and type. Optional `currencies` filter (comma-separated unit codes) and `type` filter (crypto, fiat, commodity). One call gives a consistent cross-rate table: BTC in gold ounces, ETH/BTC, USD/JPY via BTC. Cached in-process for 60 seconds.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.005 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://agent402.tools/api/exchange-rates?currencies=usd%2Ceur%2Ceth%2Cxau
MCP server on this host: io.github.MikeyPetrillo/agent402
Seen
first 29 days ago · last 19 hr ago
54 free handshakes
Payment
Pays through
x402 · MPP evm, tempo
Offered on?
algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=, eip155:10, eip155:1329, Polygon, eip155:143, Arbitrum, eip155:42220, Avalanche, Robinhood Chain, Base USDC, Solana, stellar:pubnet, Tempo USDC.e
Listed on?
Polygon, Arbitrum, Avalanche, Base, Solana
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.784 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by latency p95 · gap to 1.000 is 0.216: 0.081 uncertain ? + 0.134 short ? · 0.016 to B
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.33 | 0.277 | 0.055 | −0.134 | −0.010 | |
| liveness it answered at all |
0.60 | 1.00 | 0.882 | 0.529 | 0 | −0.071 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.784 | gap to 1.000 = 0.216 · 0.134 short · 0.081 uncertain | 0.784 | −0.134 | −0.081 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.200 × 0.277 latency p95
+ 0.600 × 0.882 liveness
+ 0.200 × 1.000 price stability
= 0.784 → UNRATED: 52 of 30 paid calls weights 2026.09.6 · 52 samples · seed cap_01M1RD9BX6R59JJY34Z7D27BH9|2026-09-03T06:00:39.150Z|2026.09.6
Verify it yourself
npx teppi-check https://agent402.tools/api/exchange-rates?currencies=usd%2Ceur%2Ceth%2Cxaucurl -s https://api.teppi.xyz/v1/trust/cap_01M1RD9BX6R59JJY34Z7D27BH9