Endpoint · inferenceGETapi.carbon-cashmere.de /v1/btc-derivatives/fee-curve
Bitcoin smart-fee curve for 1/3/6/12/24/144-block confirmation targets + trend classification (rising/stable/falling/surging) from 2h moving average.
Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.02 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://api.carbon-cashmere.de/v1/btc-derivatives/fee-curve
MCP server on this host: de.carbon-cashmere.api/crypto-intelligence
Seen
first 34 days ago · last 11 hr ago
63 free handshakes
Payment
Pays through
x402
Offered on?
algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=, Polygon, Arbitrum, eip155:480, Base USDC, Solana, stellar:pubnet
Listed on?
Polygon, Arbitrum, Base, Solana
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.734 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 0.266: 0.162 uncertain ? + 0.104 short ? · 0.066 to B
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.48 | 0.000 | 0.000 | −0.104 | −0.096 | |
| liveness it answered at all |
0.60 | 1.00 | 0.890 | 0.534 | 0 | −0.066 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.734 | gap to 1.000 = 0.266 · 0.104 short · 0.162 uncertain | 0.734 | −0.104 | −0.162 |
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 × 0.890 liveness
+ 0.200 × 1.000 price stability
= 0.734 → UNRATED: 56 of 30 paid calls weights 2026.09.6 · 56 samples · seed cap_01M1A5AHVBZAPTB7NTY9S4TAKX|2026-09-03T11:45:07.927Z|2026.09.6
Verify it yourself
npx teppi-check https://api.carbon-cashmere.de/v1/btc-derivatives/fee-curvecurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5AHVBZAPTB7NTY9S4TAKX