api.chainmarket-api.workers.dev

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://api.chainmarket-api.workers.dev/api

• GET/crypto/ethereum-staking-rewards—No price listedEthereum proof-of-stake yield snapshot: Lido stETH APR (protocol-wide, after Lido fees) and the beacon chain's finalized and justified epochs with the finality flag. Validator queue and churn are not in these sources and are not reported.
• GET/finance/bcb-brazil-central-bank—No price listedBrazil Central Bank (BCB) SGS time series: the latest N values of one series number (default 12), with dates and values as published. Series numbers are listed in the BCB SGS catalogue.
• GET/finance/coinpaprika-tickers—No price listedCoinPaprika top crypto tickers by market rank: USD price, 24h volume, market cap and percent changes (1h, 24h, 7d). The first N coins by rank, N from 1 to 100.
• GET/finance/dia-crypto-oracle—No price listedDIA crypto price oracle: current USD price for one asset symbol (e.g. BTC, ETH), yesterday's price and volume, from DIA's public quotation endpoint.
• GET/crypto/basescan-contract-events—No price listedRecent 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/finance/pitchbook-scraper-fund-data—No price listedPitchBook public fund profile: fund name, description, quick facts as PitchBook shows them publicly (strategy, status, manager, size, vintage, dry powder when public), domicile address, and the profile's FAQ answers (manager, type, status, notable and latest investments). Takes the PitchBook fund id (e.g. 11230-30F from pitchbook.com/profiles/fund/11230-30F). Via a premium residential proxy; subscriber-only performance data is not included.
• GET/finance/gemini-tickers—No price listedGemini crypto exchange public ticker for one market (e.g. btcusd): bid, ask, last price and 24h volume. Market data only; no order book or history.
• GET/crypto/mev-block-analytics—No price listedEthereum MEV-Boost delivered blocks from the Flashbots relay: proposer payment in ETH (block value), transaction count, gas used vs limit, and builder pubkeys with block counts. Covers the newest blocks only (1 to 50). Sandwich volume is not in this source and is not reported.
• GET/finance/leboncoin—No price listedleboncoin.fr classified-ads search (all of France): result totals (all / private / pro) and 35 ads per page with ad id, title, price (EUR), category, city, zip, department, region, latitude/longitude, seller name and type, first publication date, photo count and first photo, boosted flag and ad link. From leboncoin.fr via a stealth proxy.
• GET/crypto/bitcoin-mempool-stats—No price listedBitcoin mempool congestion from mempool.space: unconfirmed transaction count and size, recommended fee rates in sat/vB, difficulty-adjustment progress and estimated retarget date, and blocks until the next halving (every 210,000 blocks). Current snapshot only; no history.
• GET/finance/pitchbook-investors—No price listedPitchBook public profile of an investor, lender or advisor: name, description, public quick facts (type, year founded, professionals, investments, exits, AUM when shown), headquarters address and the profile's FAQ answers. Takes the PitchBook profile id (e.g. 10075-24 from pitchbook.com/profiles/investor/10075-24). Via a premium residential proxy; subscriber-only data is not included.
• GET/crypto/lido-steth-peg—No price listedLido stETH vs ETH peg from public USD prices (DefiLlama coins API): stETH and ETH price, discount or premium in %, plus Lido's total stETH staked and market cap. The two prices can be quoted a few minutes apart. Curve pool balances and the Lido withdrawal queue are not included.
• GET/crypto/bitcoin-hashrate-difficulty—No price listedBitcoin network hashrate (EH/s) with the last 3 daily averages, current difficulty, difficulty-epoch progress and expected change, and miner revenue over the last 144 blocks (about one day): total reward incl. fees in BTC, fee share and average reward per block. Network-wide figures from mempool.space, not per-miner.
• GET/crypto/deribit-options-skew—No price listedDeribit BTC or ETH options for one expiry (default: nearest unexpired): at-the-money implied volatility (mark IV), and an IV skew at ±10% moneyness (put at 0.9x spot minus call at 1.1x spot, in IV points). This is a moneyness skew, not a 25-delta skew: Deribit's summary has no delta, so per-strike delta calls are not made.
• GET/finance/coinbase-orderbook-candles—No price listedCoinbase Exchange OHLCV candles for one product (e.g. BTC-USD) at 1m, 5m, 15m, 1h, 6h or 1d granularity, plus the current best bid and ask. Latest candles only (Coinbase returns up to 300 per call).
• GET/finance/fec-campaign-finance-contributions—No price listedUS federal campaign contributions (FEC Schedule A itemized receipts) from the official OpenFEC API, by contributor name, employer, committee ID or state for a two-year cycle: contributor, employer, occupation, city/state/ZIP, amount, date, committee, receipt type, memo and filing image link, newest first, with total count. FEC law forbids using contributor names for solicitation or commercial purposes.
• GET/crypto/crypto-hack-rekt-database—No price listedRekt News leaderboard of the largest crypto hacks and exploits: rank, incident name, audit status as listed, loss in USD and date, from the public page (top 1 to 50). Root-cause write-ups and attack technique (e.g. flash loans) are not in the list and are not reported.
• GET/crypto/linea-consensys-rollup—No price listedLinea zkEVM rollup telemetry from the public Linea RPC: latest sequencer block, safe block and finalized block (proven and finalized on Ethereum L1) with numbers, times and transaction counts, the finality lag in blocks and seconds, gas price (gwei), base fee, gas used % of limit and average block time over the last 20 blocks. Batch/proof IDs are not exposed by the RPC and are not reported.
• GET/crypto/crypto-fundraising-rounds—No price listedRecent crypto and Web3 venture funding rounds (project, date, round type, amount and valuation in USD, lead and other investors, category, chains) from DefiLlama's public Raises page. Filter by date window, investor, category, chain, round or minimum amount. Amounts are as DefiLlama lists them and can be missing for undisclosed rounds; new rounds appear within days.
• GET/finance/alpha-vantage-public—No price listedAlpha 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.
• GET/finance/ofr-short-term-funding-monitor—No price listedOFR Short-term Funding Monitor daily series from the US Office of Financial Research, for one mnemonic (default FNYR-SOFR-A, the SOFR rate in percent): the latest N observations.
• GET/crypto/mantle-da-eigenlayer—No price listedMantle Network L2 telemetry from the public Mantle RPC: latest block, safe block (its batch is posted to Ethereum/EigenDA) and finalized block with numbers, times and transaction counts, the head-to-safe and head-to-finalized lags in blocks and seconds, gas price (gwei), base fee, gas used % of limit and average block time over the last 20 blocks. Treasury AUM and per-blob EigenDA statistics are not in the RPC and are not reported.
• GET/crypto/1inch-pathfinder-quotes—No price listedBest swap quote for a token pair on an EVM chain, compared across two public DEX aggregators (KyberSwap and Velora/ParaSwap): amount out, USD values, estimated gas in USD, price impact against the input's USD value and the pools/DEXes used, plus which aggregator gives more. Chains: Ethereum, Base, Arbitrum, Optimism, Polygon, BNB Chain, Avalanche. Indicative quotes, not executable orders.
• GET/crypto/polygon-pos-checkpoints—No price listedPolygon PoS checkpoints from the Heimdall API: the latest K checkpoints (1 to 10) with their Bor block range, timestamp and proposer, plus the average spacing in blocks and seconds. Checkpoints are the Ethereum-anchored root commitments. State-sync logs are not included.
• GET/crypto/curve-gauge-weights—No price listedCurve Finance gauges on one chain (default Ethereum): CRV emission APR range, CRV inflation rate per second and working supply per gauge, with the pool name and addresses. Sorted by CRV APR, top 1 to 50. Relative gauge weights and bribe yields are not in this source and are not reported. Small pools can show very high APR.

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