71 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.
Price, market cap and 24h volume of a coin on ONE past date (00:00 UTC snapshot), in every currency at once plus your chosen one called out. Pass `date` (YYYY-MM-DD) or `daysAgo` (1-365). The point-in-time sibling of cry...
Get the UN/LOCODE port calls of the last 30 days for a 9-digit MMSI as JSON: arrivals, departures, estimated flags, and the port the vessel is in now. Boundaries not directly observed are flagged estimated, and the respo...
Daily ECB reference exchange rate of a currency against the euro for up to 5 years: latest, change, high, low, average and annualized volatility, with the series.
Historical USD price series for a token, by ticker symbol (ETH, BTC, SOL, ...) or by ERC-20 contract + network, at 5-minute (up to 2 days), hourly (up to 30 days) or daily (up to 365 days) resolution. Returns the points...
Technical indicators for a crypto asset from daily prices: SMA 20/50/200, EMA 12/26, MACD, RSI 14, 30-day volatility and drawdown, with a plain trend label. Analysis aid, not financial advice.
Last N business days of US Treasury constant-maturity yields, oldest→newest. Source: FRED DGS* series (St. Louis Fed), public domain.
Wallet balance on Base: the native ETH balance of any address, read live from the chain. Input: address
Look up a URL in the Internet Archive's Wayback Machine: returns the archived snapshot closest to an optional timestamp (default: most recent), with the snapshot URL, capture time, and archived HTTP status. Useful for ci...
Recent ERC-20 transfers in and out of a wallet with token, amount, USD value, counterparty, tx and method, plus in/out summary. Default chain Base; prefix another: ethereum:, arbitrum:, optimism:, polygon:. $0.02 per cal...
Latest-release metadata from the official PyPI JSON API (live): version, license, requires_python compatibility, requires_dist dependency specs (max 100), yanked flag, last upload time and project URLs. Query: ?pkg=reque...
Daily total stablecoin supply in USD over time, for all chains or one chain, per peg currency, with a window summary. Use it when an agent wants stablecoin supply as a liquidity or risk-appetite signal or needs the histo...
Daily history of the crypto Fear & Greed Index (0 extreme fear, 100 extreme greed): average, max, min, days in each zone and trend, with the series. Alternative.me data.
Daily APY and TVL history for one yield pool, up to ten years, with a summary of latest, minimum, maximum and mean APY and the TVL change over the window. Use it when an agent is judging whether a pool's current yield is...
Return the most recent asset transfers (incoming + outgoing) for a wallet address - native coin, ERC-20, ERC-721, ERC-1155 - already merged and sorted newest first. Each row carries the block, tx hash, counterparty, asse...
Daily total value locked history for one chain or for all of DeFi, up to ten years of points, with latest, first, minimum, maximum and mean and the change over the window. Use it when an agent is charting a chain's growt...
Archaeological and heritage site lookup - description, country, coordinates, designations and links (Wikidata)
On this day in history - notable events, births, deaths or holidays for any date, from Wikipedia
Free History audiobooks: public-domain recordings in LibriVox's "History" genre (553 titles and growing) with runtime, language and direct mp3 zip / RSS / archive.org links, plus matching audio from Internet Archive. Add...
Internet Archive Wayback Machine snapshots of a URL: the capture closest to a date, plus the first and latest captures, with direct archive links. Use to see how a page looked before or recover deleted content.
Tamper-evident history of changes to a namespace - a hash-chained audit log the server attests to (provenance an agent can't forge for itself). Entries are kept for a bounded window (see retention in the answer), and an...
The 50 most recent transactions for an XRPL account — Genesis402 / UnyKorn Operator Network
Exchange-rate history between two dates — Genesis402 / UnyKorn Operator Network
Breached password check: is this password in known data breaches, and how often? Send only the SHA-1 hash (never the password); just the first 5 characters reach Have I Been Pwned (k-anonymity). Up to 50 hashes per call.
Daily USD price history of any token (symbol, CoinGecko id or chain:address) for up to 365 days with high, low and % change, or its exact price on a past date. Use for charts, backtests, cost basis or 'what was ETH worth...