api.carbon-cashmere.de
Curated Bitcoin coinbase scriptSig messages (printable ASCII only). Pool tags, BIP-comment campaigns, political statements. Window up to 7d.
- Category
- Developer tools
- Starting price
- $0.02
- Paid calls · 30 days
- 115
- Unique payers · 30 days
- 56
Paid endpoints
45 endpoints, sorted by usage. Prices are per request.
- GET/v1/btc-derivatives/coinbase-messages
Curated Bitcoin coinbase scriptSig messages (printable ASCII only). Pool tags, BIP-comment campaigns, political statements. Window up to 7d.
$0.02Base55calls / 30d - GET/v1/kaspa-derivatives/blocks/:block_hash
Single Kaspa block extract with full DAG topology (parents, selected-parent, blue/daa score, chain-block flag). AI agent API for DAG-aware indexers. Informational research data — not investment advice.
$0.02Base8calls / 30d - GET/v1/bittensor-derivatives/network-fundamentals
Latest TAO network-wide fundamentals: total issuance, total stake, free float, supply percentage mined, stake ratio. Snapshot every 10 min.
$0.02Base5calls / 30d - GET/v1/btc-derivatives/blocks-range
Bulk Bitcoin block extract (max 144 blocks per call, flat price per call). Returns array of per-block summaries (height, time, miner pool, tx count, witness/taproot/ordinals/op_return stats, total output, coinbase reward).
$0.02Base3calls / 30d - GET/v1/kaspa-derivatives/recent-blocks
Recent Kaspa blocks (max 144 per call = $1.44 cap). Optional chain_only flag to filter selected-parent chain blocks. AI agent API for backtesters and indexers. Informational research data — not investment advice.
$0.02Base2calls / 30d - GET/v1/kaspa-derivatives/mempool-pulse
Kaspa mempool transaction count over time. AI agent API for mempool-state regime detection. Informational research data — not investment advice.
$0.02Base2calls / 30d - GET/v1/kaspa-derivatives/mining-economics
Kaspa mining economics from public Kaspa node snapshots (api.kaspa.org): KAS + USD revenue per TH/s/day, block subsidy measured live from coinbase payloads, DAG-aware emission rate, electricity-cost model with profit margin and breakeven price. Informational research data — not investment advice.
$0.05Base2calls / 30d - GET/v1/subtensor-derivatives/block-metrics
Recent per-block aggregation of Bittensor events: neuron_registrations, weight_sets, bond_sets, child_key_sets, stake_added/removed, root_claimed, balance_transfers + total TAO.
$0.02Base1calls / 30d - GET/v1/bittensor-derivatives/subnet/:netuid
Per-subnet Bittensor snapshot: static metadata (modality/owner/burn/kappa/rho) + latest Tier-A metrics + current alpha-token price. Covers all 129 mainnet subnets.
$0.02Base1calls / 30d - GET/v1/bittensor-derivatives/subnet/:netuid/validators
Top-N validators ranked by incentive for tracked Bittensor subnets. Filter only validator_permit=true neurons. AI agent API for validator-selection and stake-delegation decisions. Informational research data — not investment advice.
$0.02Base1calls / 30d - GET/v1/subtensor-derivatives/events/:block_number
All Bittensor substrate events for a single finalized block (event_idx, phase, module_id, event_id, attributes). AI agent API for detailed forensic analysis of specific blocks. Informational research data — not investment advice.
$0.02Base1calls / 30d - GET/v1/bittensor-derivatives/alpha-prices
Latest alpha-token price per Bittensor subnet (TAO + USD). All 129 subnets in one call. AI agent API for cross-subnet price arbitrage, dTAO portfolio rebalancing. Informational research data — not investment advice.
$0.02Base1calls / 30d - GET/v1/bittensor-derivatives/alpha-price-history/:netuid
Time-series of alpha-token price for a single Bittensor subnet (window: 1h/24h/7d/30d). Sourced from bittensor_alpha_prices captured every 10 minutes. AI agent API for alpha-token trading signals. Informational research data — not investment advice.
$0.02Base1calls / 30d - GET/v1/bittensor-derivatives/subnet/:netuid/emission-trend
Hourly emission and stake trend for a Bittensor subnet (window: 1h/24h/7d/30d). Derived from bittensor_metagraph snapshots. AI agent API for subnet-momentum tracking. Informational research data — not investment advice.
$0.02Base1calls / 30d - GET/v1/bittensor-derivatives/registration-cost-history
Hourly Bittensor subnet registration activity (NeuronRegistered event count per subnet) + current burn-cost per subnet. Useful for predicting cheap-registration windows.
$0.02Base1calls / 30d - GET/v1/btc-derivatives/ordinals-flow
Hourly Bitcoin Ordinals inscriptions + OP_RETURN byte volume. Inscriptions detected via witness-envelope magic bytes (
$0.02Base1calls / 30d - GET/v1/btc-derivatives/mempool-pressure
Bitcoin mempool pressure classification (low/medium/high/extreme) + fee buckets (0-1, 1-2, 2-5, 5-10, 10-20, 20-50, 50-100, 100-200, 200+ sat/vB) + RBF count + CPFP candidate count. Updated every 5 min.
$0.02Base1calls / 30d - GET/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.
$0.02Base1calls / 30d - GET/v1/btc-derivatives/diversity
Bitcoin own-node peer-network diversity (IPv4/IPv6/Tor/I2P/CJDNS distribution) + privacy share. AI agent API for privacy researchers, node-operator tooling, network-health analytics. Informational research data — not investment advice.
$0.02Base1calls / 30d - GET/v1/btc-derivatives/blocks/:height
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.
$0.02Base1calls / 30d - GET/v1/kaspa-derivatives/dag-state
Kaspa BlockDAG topology snapshot: tips, sink, virtual chain, pruning point, blue scores. For DAG-state monitoring, side-branch detection, sync verification.
$0.02Base1calls / 30d - GET/v1/kaspa-derivatives/fee-estimate
Kaspa live fee market: priority/normal/low feerate buckets from the node's own estimator (Toccata RPC). Informational research data — not investment advice.
$0.03Base1calls / 30d - GET/v1/btc-derivatives/miner-attribution
Bitcoin mining-pool hashrate share derived from coinbase scriptSig parsing. Returns block-count + share % per pool for window (1h/24h/7d/30d), with explicit Unknown bucket for long-tail small pools.
$0.03Base1calls / 30d - GET/v1/btc-derivatives/coin-days-destroyed
Hourly Bitcoin Coin Days Destroyed proxy (consolidation_ratio × fee_weight × volume) + whale-tx contribution. ⚠️ PROXY methodology — suitable for trend signals, not absolute reserve-coin-age accounting.
$0.03Base1calls / 30d - GET/v1/kaspa-derivatives/supply-trend
Kaspa circulating supply over time + emission rate + percent-mined. Captures accelerating geometric halving schedule. AI agent API for tokenomics tracking and supply-emission models. Informational research data — not investment advice.
$0.03Base1calls / 30d - GET/v1/subtensor-derivatives/event-stream
Filtered Bittensor substrate event stream from finalized blocks. Module/event filters supported. Captures events that disappear from public lite-node APIs.
$0.03Base1calls / 30d - GET/v1/subtensor-derivatives/registration-pulse
Bittensor NeuronRegistered count per hour. Tracks new neurons joining subnets — useful for detecting subnet growth/decay and registration-burn pressure. AI agent API for subnet-health analysts. Informational research data — not investment advice.
$0.03Base1calls / 30d - GET/v1/kaspa-derivatives/toccata-status
Kaspa Toccata hardfork tracker: live activation distance, network-measured ETA, post-fork parameter reference. First-mover fork analytics from direct network measurement. Informational research data — not investment advice.
$0.05Base1calls / 30d - GET/v1/kaspa-derivatives/timeseries
Historical Kaspa network metrics as server-side aggregated timeseries (max 1000 points): hashrate, difficulty, DAG block rate, mempool depth, DAA score, tip count, circulating supply, percent mined; peer count only until 2026-08-10. Collected continuously by our own infrastructure (own Kaspa node until 2026-08-10, since then snapshots of the public api.kaspa.org). Informational research data — not
$0.05Base1calls / 30d - GET/v1/btc-derivatives/mining-economics
Bitcoin mining economics from our own full node: hashprice (sats + USD per TH/s/day), subsidy plus measured 24h fee revenue per block, difficulty-cross-checked hashrate, configurable ASIC efficiency and electricity cost, profit margin and breakeven price. Informational research data — not investment advice.
$0.05Base1calls / 30d - GET/v1/kaspa-derivatives/fee-regime
Kaspa fee-market regime: fee-bucket distribution incl. the sub-floor segment the Toccata minimum displaces. Informational research data — not investment advice.
$0.05Base1calls / 30d - GET/v1/kaspa-derivatives/network-hashrate
Kaspa network hashrate (H/s) + difficulty trend from 5-minute snapshots of the public Kaspa node REST observer (api.kaspa.org). Post-fork mining-security telemetry. Informational research data — not investment advice.
$0.05Base1calls / 30d - GET/v1/kaspa-derivatives/chain-color
Kaspa blue/red block density (GHOSTDAG): merged (red) vs selected-chain (blue) block share — DAG-stress / orphan-rate proxy. Informational research data — not investment advice.
$0.05Base1calls / 30d - GET/v1/btc-derivatives/whale-stream
Bitcoin whale transaction feed (>10 BTC default) with fee-rate, RBF flag, ancestor-count enrichment. ⚠️ output_btc includes change-outputs — activity proxy, not net transfer.
$0.05Base1calls / 30d - GET/v1/kaspa-derivatives/chain-density
Kaspa chain-blocks (selected-parent chain) vs total DAG blocks per hour — measures BlockDAG branching activity. Chain ratio drift signals DAG-mode shifts.
$0.05Base1calls / 30d - GET/v1/subtensor-derivatives/transfer-flow
Bittensor BalancesTransfer count + total TAO volume per hour. AI agent API for TAO whale-watch and treasury-movement monitoring. Informational research data — not investment advice.
$0.05Base1calls / 30d - GET/v1/bittensor-derivatives/subnet/:netuid/metagraph
Full metagraph snapshot for 13 tracked Bittensor subnets [1,3,4,13,15,18,26,56,62,64,91,120,123]: summary stats + all neurons with stake/incentive/dividends/emission/trust/validator_permit.
$0.05Base1calls / 30d - GET/v1/subtensor-derivatives/evm-activity
EVM-on-Bittensor Ethereum.Executed call count per hour. Tracks TaoEVM dApp adoption. AI agent API for cross-VM adoption analysts. Informational research data — not investment advice.
$0.05Base1calls / 30d - GET/v1/bittensor-derivatives/subnets-all
Snapshot of all 129 Bittensor mainnet subnets — burn, neurons, owner, modality, alpha-price. For cross-subnet research and market-overview dashboards.
$0.05Base1calls / 30d - GET/v1/bittensor-derivatives/top-validators-cross-subnet
Top-N validators per tracked Bittensor subnet, aggregated across all 13 focus subnets. One call returns the leaderboard across subnets. For cross-subnet validator-research and stake-allocation decisions.
$0.05Base1calls / 30d - GET/v1/bittensor-derivatives/subnet/:netuid/stake-flows
dTAO stake-flow microstructure per subnet: per-neuron accumulation/distribution, net flow, concentration trend from months of continuous high-cadence snapshots. Informational research data — not investment advice.
$0.10Base1calls / 30d - GET/v1/bittensor-derivatives/subnet/:netuid/coordination
Neutral Bittensor subnet concentration & synchrony metrics: stake/emission concentration, validator dominance, update-synchrony with 7d comparison. Informational research data — not investment advice.
$0.10Base1calls / 30d - GET/v1/btc-derivatives/reorg-stream
Bitcoin chain-tip orphan + valid-fork stream (10min cadence). For exchange confirmation-policy tuning, cross-chain bridge safety windows, finality auditors. branch_length >= 2 = unusual reorg risk.
$0.10Base1calls / 30d - GET/v1/subtensor-derivatives/weights-activity
Bittensor WeightsSet + TimelockedWeightsCommitted/Revealed activity per hour. Tracks validator weight-setting cadence and the post-2025 anti-frontrun mechanism. AI agent API for validator-behavior analysts. Informational research data — not investment advice.
$0.10Base1calls / 30d - GET/v1/kaspa-derivatives/throughput-health
Kaspa throughput & DAG-width: chain-block rate, estimated total DAG rate, TPS vs multi-month pre-fork baseline — hardfork impact tracking. Informational research data — not investment advice.
$0.10Base1calls / 30d