https://api.carbon-cashmere.de/v1/btc-derivatives/blocks/:heightGET /v1/btc-derivatives/blocks/:height · x402 API by carbon-cashmere
Deep per-block Bitcoin extract. Returns miner-pool attribution, witness/taproot adoption %, Ordinals inscription count, OP_RETURN byte volume, fee percentiles (10/25/50/75/90), UTXO delta, segwit %, total output BTC, block weight.
What does this x402 API do?
https://api.carbon-cashmere.de/v1/btc-derivatives/blocks/:height. This is an x402-gated GET API resource from carbon-cashmere. TOLL·402 did not invoke this route automatically because doing so was not considered safe. No normalized USD price is recorded; the listing names algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8= and eip155:137 and eip155:42161 and eip155:480 and Base and Solana and stellar:pubnet. No settled paid call has been verified.
- Published price
- No normalized USD price is recorded
- Networks
- algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8= · eip155:137 · eip155:42161 · eip155:480 · Base · Solana · stellar:pubnet
- Latest evidence
- TOLL·402 did not invoke this route automatically because doing so was not considered safe
- Resource ID
- 1c9cc3edd515ebfd2511aa05
Start with a quote-only recipe. Payment signing stays in your project.
const response = await fetch("https://api.carbon-cashmere.de/v1/btc-derivatives/blocks/:height", {
method: "GET",
});
console.log(response.status);
console.log(Object.fromEntries(response.headers));
console.log((await response.text()).slice(0, 1000));
// A valid 402 is a quote, not a completed paid call.This sends no payment. Inspect the 402 response before adding a wallet-enabled client.
- Observed in cdp-bazaar
The registry record was observed and retained with provenance.
- Observed in 402-index
Discovered through bazaar.
- Registry record checked
Registry health: healthy.
- Exact route checked
not safely testable · unresolved-url-template
- Origin reachable
OPTIONS https://api.carbon-cashmere.de/ returned 405.
What evidence supports this listing?
Each record has an exact-route quote outcome. Unresolved templates and potentially mutating methods are labeled instead of being invoked without provider-specific test input. A quote is still separate from a settled paid call. Read the discovery and verification methodology →
Which networks and payment options does it accept?
The normalized listing price is No normalized USD price is recorded. Raw protocol requirements remain visible below for implementation and audit use.