llms.txt
+55 −8
https://api.chainmarket-api.workers.dev/llms.txt
− > Pay-per-call crypto, DeFi, on-chain and finance data tools for AI agents, from public chains and official or public sources. Payment: x402, USDC on Base, Solana, Arc, Polygon, Arbitrum, Monad, World Chain, Optimism, Avalanche, Celo or Stellar, or RLUSD/XRP on the XRP Ledger. No signup, no API key; a failed call is not charged.− - [GET /api/crypto/defillama-stablecoins](https://api.chainmarket-api.workers.dev/api/crypto/defillama-stablecoins) ($0.002): Stablecoin market cap (circulating USD), 1/7/30-day circulating change (mint/burn proxy), peg price and depeg % from DefiLlama. Pass symbols (e.g. USDT,USDC) or leave empty for the 10 largest. Net change is a change in circulating supply, not separate mint and burn events.− - [GET /api/crypto/token-holder-concentration](https://api.chainmarket-api.workers.dev/api/crypto/token-holder-concentration) ($0.002): Ethereum ERC-20 holder concentration from Blockscout: top 100 holders' share of total supply, top 10 share, and a Gini coefficient over those 100 balances. Gini is over the top 100 only, not all holders. Ethereum mainnet only.− - [GET /api/crypto/binance-orderbook-depth](https://api.chainmarket-api.workers.dev/api/crypto/binance-orderbook-depth) ($0.002): Binance spot order book snapshot for one pair: best bid and ask, spread, USD depth within 1% and 2% of mid price (from the returned levels only), and 24h volume, change and high/low. Up to 100 levels per side. Snapshot only; Binance market data, not a merged multi-exchange book.− - [GET /api/crypto/basescan-contract-events](https://api.chainmarket-api.workers.dev/api/crypto/basescan-contract-events) ($0.002): Recent event logs of a contract on Base (chain 8453) from public RPC: block, time order, transaction hash, log index, event name (signature database), topics and data, with ERC-20/721 Transfer and Approval decoded to from/to/value. Look back up to 5,000 blocks (~2.8 h); optional event-signature filter. Internal transactions are not included.− - [GET /api/finance/bstock](https://api.chainmarket-api.workers.dev/api/finance/bstock) ($0.02): B-Stock wholesale liquidation auctions (US marketplace, all sellers): total live lots and 20 per page with listing id, title, storefront (seller), categories, condition, inventory type, units, pallets, manufacturers, current / opening bid, next minimum bid, number of bids, typical selling price, currency, start and end time, seller city/state/zip, shipment type, manifest flag, image and auction link.− - [GET /api/finance/bank-of-england-iadb](https://api.chainmarket-api.workers.dev/api/finance/bank-of-england-iadb) ($0.002): Bank of England official daily statistics (IADB) for one series code (default XUDLUSS) over the last N days, from the Bank's CSV download. Values as published; no interpretation of the series.− - [GET /api/finance/alpha-vantage-public](https://api.chainmarket-api.workers.dev/api/finance/alpha-vantage-public) ($0.002): Alpha Vantage global quote for one stock or ETF ticker: price, open/high/low, volume, previous close and change, from Alpha Vantage's free API. Needs a free Alpha Vantage API key (ALPHAVANTAGE_API_KEY); free keys are rate limited.+ > Pay-per-call crypto, DeFi, on-chain and finance data tools for AI agents, from public chains and official or public sources. Payment: x402, USDC on Base, Solana, Arc, Polygon, Arbitrum, Monad, World Chain, Optimism, Avalanche, Celo or Stellar, or RLUSD/XRP on the XRP Ledger. No signup, no API key; a failed call is not charged, and a 503 from a source is temporary and safe to retry.+ - [GET /api/crypto/defillama-stablecoins](https://api.chainmarket-api.workers.dev/api/crypto/defillama-stablecoins) ($0.002): Stablecoin market cap (circulating USD), 1/7/30-day circulating change (mint/burn proxy), peg price and depeg % from DefiLlama. Pass symbols (e.g. USDT,USDC) or leave empty for the 10 largest. Net change is a change in circulating supply, not separate mint and burn events. Usually answers in about 8 s, up to 15 s on slower calls; allow a 30 s timeout.+ - [GET /api/crypto/token-holder-concentration](https://api.chainmarket-api.workers.dev/api/crypto/token-holder-concentration) ($0.002): Ethereum ERC-20 holder concentration from Blockscout: top 100 holders' share of total supply, top 10 share, and a Gini coefficient over those 100 balances. Gini is over the sampled top holders only, not all holders. For the very largest tokens (e.g. USDT) Blockscout can be too slow for the second page of holders; the answer then covers the top 50 (holdersSampled+ - [GET /api/crypto/binance-orderbook-depth](https://api.chainmarket-api.workers.dev/api/crypto/binance-orderbook-depth) ($0.002): Binance spot order book snapshot for one pair: best bid and ask, spread, USD depth within 1% and 2% of mid price (from the returned levels only), and 24h volume, change and high/low. Up to 100 levels per side. Snapshot only; Binance market data, not a merged multi-exchange book. Takes about 12 s; allow a 30 s timeout.+ - [GET /api/crypto/basescan-contract-events](https://api.chainmarket-api.workers.dev/api/crypto/basescan-contract-events) ($0.002): Recent event logs of a contract on Base (chain 8453) from public RPC: block, time order, transaction hash, log index, event name (signature database), topics and data, with ERC-20/721 Transfer and Approval decoded to from/to/value. Look back up to 5,000 blocks (~2.8 h); optional event-signature filter. Internal transactions are not included. Takes about 14 s; allow + - [GET /api/finance/bstock](https://api.chainmarket-api.workers.dev/api/finance/bstock) ($0.02): B-Stock wholesale liquidation auctions (US marketplace, all sellers): total live lots and 20 per page with listing id, title, storefront (seller), categories, condition, inventory type, units, pallets, manufacturers, current / opening bid, next minimum bid, number of bids, typical selling price, currency, start and end time, seller city/state/zip, shipment type, manifest flag, image and auction link.+ - [GET /api/finance/bank-of-england-iadb](https://api.chainmarket-api.workers.dev/api/finance/bank-of-england-iadb) ($0.002): Bank of England official daily statistics (IADB) for one series code (default XUDLUSS) over the last N days, from the Bank's CSV download. Values as published; no interpretation of the series. Takes about 10 s; allow a 30 s timeout.+ - [GET /api/finance/alpha-vantage-public](https://api.chainmarket-api.workers.dev/api/finance/alpha-vantage-public) ($0.002): Alpha Vantage global quote for one stock or ETF ticker: price, open/high/low, volume, previous close and change, from Alpha Vantage's free API. Needs a free Alpha Vantage API key (ALPHAVANTAGE_API_KEY); free keys are rate limited. Usually answers in about 7 s, up to 22 s on slower calls; allow a 45 s timeout.+ - [GET /api/crypto/btc-mining-pools](https://api.chainmarket-api.workers.dev/api/crypto/btc-mining-pools) ($0.003): Bitcoin mining pool hashrate and block shares over 24h, 3d, 1w, or 1m. Pool attribution is by mempool.space using coinbase tags and payout addresses. Returns block count, shares, and estimated EH/s.+ - [GET /api/crypto/btc-ordinals-flow](https://api.chainmarket-api.workers.dev/api/crypto/btc-ordinals-flow) ($0.002): Bitcoin Ordinals inscription activity for the last N blocks (1-144, default 6) from the UniSat Open API: total inscription events (new inscriptions plus transfers of existing ones), events per block and per hour, and a sample of the latest events. Requires UNISAT_API_KEY.+ - [GET /api/crypto/btc-whale-txs](https://api.chainmarket-api.workers.dev/api/crypto/btc-whale-txs) ($0.005): Large Bitcoin transactions (total output >= minBtc, default 10 BTC): every transaction of the latest 1-2 confirmed blocks (mempool.space block summaries), plus the ~10 newest unconfirmed transactions blockchain.info exposes. Returns txid, output value in BTC (includes change), fee rate sat/vB, RBF signal and block height or 'mempool'. `scanned` states exactly what was read.+ - [GET /api/crypto/btc-chain-tips](https://api.chainmarket-api.workers.dev/api/crypto/btc-chain-tips) ($0.005): Recent stale/orphaned Bitcoin blocks and sidechain forks via Bitcoin Core getchaintips. Returns active tip, sidechain tips with height, hash, status, branch length, and block timestamp.+ - [GET /api/crypto/btc-coin-days-destroyed](https://api.chainmarket-api.workers.dev/api/crypto/btc-coin-days-destroyed) ($0.003): Bitcoin Coin Days Destroyed (CDD) metric for recent days or a specific date, measuring economic weight of transferred coins weighted by their dormancy period. Includes documented calculation methodology.+ - [GET /api/crypto/btc-node-diversity](https://api.chainmarket-api.workers.dev/api/crypto/btc-node-diversity) ($0.002): Reachable Bitcoin nodes from the latest bitnodes.io snapshot: total, breakdown by network (Tor, IPv4, IPv6, I2P, cjdns), top client versions with network share %, top networks/ASNs by node count, and the countries of the 100 best-ranked leaderboard nodes (a ranked sample, not all nodes).+ - [GET /api/crypto/btc-mempool-pressure](https://api.chainmarket-api.workers.dev/api/crypto/btc-mempool-pressure) ($0.002): Bitcoin mempool pressure state and projected next blocks. Class (low/normal/high/extreme) is determined deterministically: extreme if next block median fee >= 50 sat/vB or backlog >= 150 vMB; high if >= 20 sat/vB or >= 60 vMB; normal if >= 3 sat/vB or >= 10 vMB; low otherwise.+ - [GET /api/crypto/btc-fee-curve](https://api.chainmarket-api.workers.dev/api/crypto/btc-fee-curve) ($0.002): Bitcoin fee estimate curve in sat/vB across confirmation targets (1, 3, 6, 12, 24, 144 blocks, or custom targets) from blockstream.info. Provides fee rates and approximate confirmation duration.+ - [GET /api/crypto/btc-block](https://api.chainmarket-api.workers.dev/api/crypto/btc-block) ($0.002): Detailed Bitcoin block summary by height or hash from mempool.space: size, weight, tx count, total fees, subsidy, reward, fee range, median fee rate sat/vB, mining pool, and coinbase message.+ - [GET /api/crypto/btc-blocks-range](https://api.chainmarket-api.workers.dev/api/crypto/btc-blocks-range) ($0.002): Up to 144 consecutive Bitcoin blocks descending from fromHeight (or tip). Returns height, hash, time, size, weight, tx count, fees, subsidy, reward, median fee sat/vB, and pool name for each block.+ - [GET /api/crypto/btc-coinbase-messages](https://api.chainmarket-api.workers.dev/api/crypto/btc-coinbase-messages) ($0.002): Coinbase text messages (clean readable ASCII) and mining pool attribution for the last N Bitcoin blocks (1-144, default 15). Includes both sanitized ASCII and raw hexadecimal script.+ - [GET /api/crypto/btc-mining-economics](https://api.chainmarket-api.workers.dev/api/crypto/btc-mining-economics) ($0.005): Bitcoin mining economics: Hashprice in USD and sats per TH/s per day, revenue split (subsidy vs fees) over the last 144 blocks, network hashrate and difficulty, and BTC price. Formula: dailyBlocksPerTh = (1e12 * 86400) / (diff * 2^32); hashprice = dailyBlocksPerTh * (totalRewardSat / 144).+ - [GET /api/crypto/kaspa-toccata-status](https://api.chainmarket-api.workers.dev/api/crypto/kaspa-toccata-status) ($0.005): Status of the Kaspa Toccata hard fork (KIP-16, KIP-17, KIP-20, KIP-21). Compares live virtual DAA score from api.kaspa.org with official activation scores from rusty-kaspa release notes for mainnet and testnet-10.+ - [GET /api/crypto/kaspa-fee-regime](https://api.chainmarket-api.workers.dev/api/crypto/kaspa-fee-regime) ($0.005): Kaspa fee market regime classification (quiet, normal, busy, congested) based on live fee buckets in sompi/gram (1 KAS = 1e8 sompi). Rule: congested if priority feerate >= 1000 sompi/gram; busy if >= 300; normal if > 100; quiet if <= 100.+ - [GET /api/crypto/kaspa-throughput](https://api.chainmarket-api.workers.dev/api/crypto/kaspa-throughput) ($0.005): Measured Kaspa throughput from api.kaspa.org: blocks per second over the last ~600 blue scores (DAA score delta / time delta between two chain blocks), estimated transactions per second (average transactions per block in a recent-block sample x measured BPS), and DAG width (parallel blocks per blue score, average merge set size) from that sample. Both windows are returned.+ - [GET /api/crypto/kaspa-hashrate](https://api.chainmarket-api.workers.dev/api/crypto/kaspa-hashrate) ($0.005): Kaspa network hashrate current state, all-time peak with timestamp, consensus difficulty, and 24h trend. Units explicitly reported in TH/s, PH/s, EH/s, and H/s.+ - [GET /api/crypto/kaspa-fee-estimate](https://api.chainmarket-api.workers.dev/api/crypto/kaspa-fee-estimate) ($0.003): Priority, normal and low fee buckets: feerate in sompi/gram (1 KAS = 1e8 sompi, 1 gram = 1 mass unit) and estimated seconds to confirmation on Kaspa.+ - [GET /api/crypto/kaspa-chain-color](https://api.chainmarket-api.workers.dev/api/crypto/kaspa-chain-color) ($0.005): Blue vs red block counts in the merge sets of recent Kaspa selected chain blocks and aggregate red/blue ratio over a configurable window of recent chain blocks (1-20).+ - [GET /api/crypto/kaspa-metrics-history](https://api.chainmarket-api.workers.dev/api/crypto/kaspa-metrics-history) ($0.005): Hourly time series and summary statistics (min, max, average, trend) for Kaspa on-chain metrics (hashrate, difficulty, tx-count, active-addresses) for a given UTC date (YYYY-MM-DD).+ - [GET /api/crypto/kaspa-mining-economics](https://api.chainmarket-api.workers.dev/api/crypto/kaspa-mining-economics) ($0.005): Kaspa mining economics: current block reward (KAS), nominal blocks per day (864,000 at 10 blocks/s), daily network emission (KAS), revenue per TH/s per day in KAS and USD, and current spot price.+ - [GET /api/crypto/kaspa-dag-state](https://api.chainmarket-api.workers.dev/api/crypto/kaspa-dag-state) ($0.002): Kaspa BlockDAG snapshot: network name, block count, header count, tip hashes, virtual DAA score, difficulty, pruning point, past median time, and sink hash.+ - [GET /api/crypto/kaspa-chain-density](https://api.chainmarket-api.workers.dev/api/crypto/kaspa-chain-density) ($0.005): Ratio of selected-chain blocks to total DAG blocks created and merged across a recent window (2-20 blocks) on Kaspa, measuring DAG concurrency and block propagation density.+ - [GET /api/crypto/kaspa-supply](https://api.chainmarket-api.workers.dev/api/crypto/kaspa-supply) ($0.003): Kaspa coin supply metrics: circulating supply (KAS), max supply (KAS), percent mined, current block reward, and scheduled chromatic halving / reward reduction date and next amount.+ - [GET /api/crypto/kaspa-mempool](https://api.chainmarket-api.workers.dev/api/crypto/kaspa-mempool) ($0.002): Live Kaspa mempool state: unconfirmed transaction count, node sync status, priority feerate. Note: History is not exposed by public nodes without external time-series archiving (ARSIV-GEREKLI); returns current 'now' state per ARACLAR.md specification.+ - [GET /api/crypto/kaspa-block](https://api.chainmarket-api.workers.dev/api/crypto/kaspa-block) ($0.002): Detailed Kaspa block by 64-character hex hash: timestamp, blue score, DAA score, parents, children, merge set blues/reds, transaction count, difficulty, and selected chain status (isChainBlock). Returns 404 if block is not found.+ - [GET /api/crypto/kaspa-recent-blocks](https://api.chainmarket-api.workers.dev/api/crypto/kaspa-recent-blocks) ($0.002): The most recent Kaspa blocks (count between 1 and 144): hash, block timestamp, blue score, DAA score, transaction count, and selected-chain status.+ - [GET /api/crypto/tao-subnet](https://api.chainmarket-api.workers.dev/api/crypto/tao-subnet) ($0.002): Detailed pool metrics for a single Bittensor subnet by netuid: alpha price in TAO, TAO in pool, total alpha, alpha in pool, staked alpha, market cap, and liquidity. Requires TAOSTATS_API_KEY. Returns 404 for unknown netuid.+ - [GET /api/crypto/tao-subnet-stake-flows](https://api.chainmarket-api.workers.dev/api/crypto/tao-subnet-stake-flows) ($0.005): Staked alpha trajectory and net flow into a specific Bittensor subnet over historical pool snapshots: net flow in alpha (with its TAO value at the newest point's price), direction (inflow/outflow), and point-in-time pool stakes. Requires TAOSTATS_API_KEY.+ - [GET /api/crypto/tao-subnet-concentration](https://api.chainmarket-api.workers.dev/api/crypto/tao-subnet-concentration) ($0.005): Stake and emission concentration analysis for a Bittensor subnet: top-1 share, top-10 share, and the Herfindahl-Hirschman Index (HHI = sum(s_i^2) where s_i is percentage share 0-100, or normalized 0-1) across neurons. Requires TAOSTATS_API_KEY.+ - [GET /api/crypto/tao-subnet-yield-history](https://api.chainmarket-api.workers.dev/api/crypto/tao-subnet-yield-history) ($0.005): Validator staking yield and APY breakdown for a specific Bittensor subnet across timeframes (1h, 1d, 7d, 30d APY %) and epoch participation rates. Requires TAOSTATS_API_KEY.+ - [GET /api/crypto/tao-subnet-metagraph](https://api.chainmarket-api.workers.dev/api/crypto/tao-subnet-metagraph) ($0.005): Full Bittensor subnet metagraph slice with pagination (limit 1-100, page/offset): uid, hotkey, coldkey, name, total alpha stake, alpha stake, validator permit, rank, trust, consensus, incentive, dividends, and emission. Requires TAOSTATS_API_KEY.+ - [GET /api/crypto/tao-subnet-validators](https://api.chainmarket-api.workers.dev/api/crypto/tao-subnet-validators) ($0.002): Top validators of a specific Bittensor subnet by stake (limit 1-50): uid, hotkey, coldkey, total alpha stake, alpha stake, validator rank, trust, dividends, and daily validating rewards. Requires TAOSTATS_API_KEY.