← All endpoints
api.carbon-cashmere.de btc-derivatives fee-curve
https://api.carbon-cashmere.de/v1/btc-derivatives/fee-curve
payable
Bitcoin smart-fee curve for 1/3/6/12/24/144-block confirmation targets + trend classification (rising/stable/falling/surging) from 2h moving average.
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.02
- Network
- base
- Pay to
- 0xf8b2dD46542175AD46e14e6133340E652665F2Ee
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 602 ms
- Payment options
- 7 usable of 7
- Last checked
- 2026-08-10T09:13:41.378Z (1d ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.carbon-cashmere.de%2Fv1%2Fbtc-derivatives%2Ffee-curve"