agent-data-tools.revmesh2074.workers.dev x402 offerings

13F holdings, fund holdings. The latest 13F-HR holdings of an institutional investment manager (hedge fund, mutual fund family, bank) from SEC EDGAR: each position's issuer, class, CUSIP, value in USD, shares and portfolio weight, largest first, plus the report period, total value and position count. Give the filer by name (e.g. Berkshire Hathaway) or CIK. Public SEC data, filed quarterly up to 45 days after the quarter. Use to see what a fund owns.

8-K filings, SEC material events. Latest Form 8-K current reports for a US-listed company by ticker, name or CIK: filing date, the reported items with their meaning (results of operations, executive departures, material agreements, cybersecurity incidents, bankruptcy and others), accession number and a direct link, newest first. Public SEC EDGAR data. Use to watch a company's material events or check what it disclosed recently.

Address checksum (EIP-55). Address checksum for any EVM address: validates it and returns the EIP-55 checksummed form, saying whether the input was all lower case, all upper case, correctly checksummed or mixed case with a wrong checksum (a likely typo). Works for every EVM chain. Use before sending funds or storing an address; for whether it is a contract use <chain>_is_contract.

Age calculator. Exact age from a date of birth in years, months and days, total days lived, the weekday of birth, and the date of and days until the next birthday, measured today (UTC) or on any date you give. Use for age checks, forms and anniversaries.

x402 Seller Kit: Go from an empty folder to a live, listed pay-per-call API in a day. Returns a download link for the product file.

Agent memory, delete a key. Delete the value saved under a key in your namespace now, before it expires. Answers deleted: false when there was nothing to delete. Values are kept until they expire (at most 30 days) or are deleted; reads anywhere may lag a write made elsewhere by up to a minute. Use to forget a fact or clear task state.

Agent memory, list keys. List up to 100 keys saved in your namespace, optionally only those starting with a prefix, with their size, save time and expiry; pass the returned cursor for the next page. Values are not included (read them with /memory/get). Values are kept until they expire (at most 30 days) or are deleted; reads anywhere may lag a write made elsewhere by up to a minute. Use to see what an agent has saved.

Agent memory, recall. Read the value saved under a key in your namespace with /memory/set, with when it was saved and when it expires. A key that was never saved or has expired is a 404 and is not charged. Values are kept until they expire (at most 30 days) or are deleted; reads anywhere may lag a write made elsewhere by up to a minute. Use to recall what an agent saved in an earlier run.

Agent memory, save. Save a value (up to 8,000 characters of text or JSON) under a key in your own namespace, so an agent can remember facts, preferences or task state between runs. Overwrites an existing key; expires after 1 to 30 days (default 30). Values are kept until they expire (at most 30 days) or are deleted; reads anywhere may lag a write made elsewhere by up to a minute. Use to persist what an agent learned for a later call to memory_get.

Bitcoin fee rates. Current Bitcoin network fee rates in sat/vB for next-block, half-hour, one-hour and economy confirmation, the estimated cost in sats of a typical payment, mempool size and total pending fees, and the latest block height. Use before sending a Bitcoin transaction or to decide whether to wait for lower fees.

Package risk check. Reports package existence, latest version and release, age, version count, npm weekly downloads, licenses, deprecation and known advisory severity. ok means no listed flags, not a safety guarantee. Supports npm, PyPI, Cargo, Go, Maven and NuGet. Optional exact version adds pinned-version metadata and uses deps.dev advisories; use /package-audit for OSV affected ranges and dated FIRST EPSS CVE estimates. Use before adding a dependency.

Crypto price and token price. Token price in USD for a crypto token by symbol (ETH, BTC, USDC, AERO, ARB, OP, LINK…), coin name, CoinGecko id or ERC-20 0x address on Base, Ethereum, Arbitrum or Optimism, from the deepest Uniswap v3 pool against USDC or WETH, read live. Returns the pool, fee tier, quote reserve and a thin-liquidity flag. Spot price, not a time average. No pool returns 404, uncharged. Use to value a token or check a quote before a swap or payment.

Email verification, validation. Check email syntax, DNS and MX records, disposable providers, role addresses, free providers and SPF/DMARC presence. Returns likely-deliverable, risky, undeliverable or invalid with reasons. No message is sent and the mail server is not contacted. These are DNS and syntax signals, not proof that a mailbox exists or accepts delivery. Use before sending mail or saving a signup.

SEC filings (EDGAR) by ticker. Latest SEC EDGAR filings for a US-listed company by stock ticker or CIK: form (10-K, 10-Q, 8-K, 4, S-1…), filing and report dates, accession number, document description and a direct link, newest first, optionally only one form type. Plus company name, CIK and industry (SIC). Public SEC data. Use to check a company's latest annual or quarterly report, insider trades (form 4) or material events (8-K).

Research papers, Crossref. Research papers search across journals, conferences, preprints and books (Crossref): title, authors, year, venue, citation count, DOI link and abstract where available. Optional fromYear filter and up to 20 results per call. Use for research agents, literature reviews, fact-checking a claim against published work, and finding the DOI for a citation.

Hyperliquid funding rate, perps. Live Hyperliquid perpetual futures data for a coin (BTC, ETH, SOL, HYPE…): mark, oracle and mid price, hourly funding rate and its APR, premium, open interest in coins and USD, 24-hour volume and price change, and max leverage. Without a coin, the 20 most traded markets by 24-hour volume. Read from Hyperliquid's public API. Use for funding-rate checks, basis trades, derivatives dashboards and market context.

Public holidays by country. Nationwide public holidays for a year in the US (federal), UK (England and Wales), Sweden, Germany, France, Norway, Denmark and Finland: date, local and English name, and the weekday it is observed on where a weekend moves it. Computed from statutory rules for 2024-2100. Use for scheduling, delivery dates and business-day maths.

Currency exchange rates, forex. Foreign exchange rates from the European Central Bank for about 30 major currencies (USD, EUR, GBP, JPY, CHF, SEK, CAD, AUD, CNY, INR, BRL and more). Give a base currency, optionally the target currencies and an amount, and get the rates, the converted amounts and the date the rates apply to. Use for currency conversion, invoice and price calculations, and reporting in another currency.

RSS feed reader. Read a public RSS 2.0, RSS 1.0 or Atom feed and get the feed title, link and description plus its newest items: title, link, date (ISO 8601), short plain-text summary, author and id. Up to 50 items, feeds up to 2 MB. Lenient with real-world feeds; a page that is not a feed returns 422, uncharged. Use to follow news, blogs, release notes or podcasts without scraping pages.

Ethereum gas price. Current gas price on Ethereum (eth_gasPrice): gas price, base fee and suggested priority fee in gwei, plus what a plain ETH transfer (21,000 gas) costs right now. Takes no input. Use before sending a transaction or to decide whether to wait; for the fee a past transaction actually paid use eth_receipt.

Ethereum native balance. Native ETH balance (eth_getBalance) of any 0x wallet address on Ethereum at the latest block, in wei and in ETH. Use to check whether a wallet can pay gas or a transfer; for ERC-20 tokens use eth_token_balance, for all holdings at once use wallet_portfolio. A malformed address is rejected with 400, uncharged.

ENS name resolver, reverse ENS. Resolve an Ethereum Name Service name such as vitalik.eth to its wallet address and avatar, or look up the primary ENS name of an address (reverse resolution). Read live from Ethereum mainnet. Use to turn a human-readable name into a payable address, or to show a readable name for a counterparty address.

Dictionary definition. Definitions of an English word from Wiktionary, grouped by part of speech, with example sentences where Wiktionary gives them, plus the page link and the CC BY-SA attribution to show. Use for writing help, vocabulary, translation checks and word games.

Company data lookup. Facts about a company by name or Wikidata ID: official website, founding date, country, headquarters, industries, CEO, founders, parent, employee count, stock tickers and exchanges, and LEI, with Wikidata and Wikipedia links. Public domain data (CC0), best for established and listed companies. No match returns 404, uncharged. Use to enrich leads, vendors and counterparties or ground an answer about a company.