agent402.tools

• https://agent402.tools/api/chain/total-supply

  The circulating total supply of an ERC-20, read from the token contract itself rather than from an aggregator, so it is the number the chain holds at the block you asked for. Returns the raw uint256 and the same figure …

  StellarOnchain data

  n/a/ request

  2026-10-27

• https://agent402.tools/api/checksum

  Compute MD5, SHA-1, SHA-256, SHA-512, and CRC32 checksums of a string in a single call. Useful for verifying file or payload integrity across different checksum standards without needing five separate tools.

  StellarDeveloper tools

  n/a/ request

  2026-10-27

• https://agent402.tools/api/cidr

  Parse an IPv4 CIDR block: network address, broadcast, first/last host, netmask, and host count. Optionally test if an IP is inside it.

  StellarDeveloper tools

  n/a/ request

  2026-10-27

• https://agent402.tools/api/code-run

  Execute Python or JavaScript code in a secure, isolated cloud sandbox. Returns stdout, stderr, and the expression result. No setup needed; pay per call via x402. 30s timeout, 10k char code limit. A run that hits the tim…

  StellarDeveloper tools

  n/a/ request

  2026-10-31

• https://agent402.tools/api/code-run-pro

  Execute Python or JavaScript code in a secure, isolated cloud sandbox (Pro tier). Same as /api/code-run but with 60s timeout and 50k char code limit for longer computations. Returns stdout, stderr, and the expression re…

  StellarDeveloper tools

  n/a/ request

  2026-10-31

• https://agent402.tools/api/coin-categories

  Coin categories (Layer 1, Meme, AI, DeFi, Stablecoins, RWA, ...) ranked by market cap, with 24h market cap change %, 24h volume and the top-3 coins per category. Order by market_cap_desc (default), market_cap_asc, marke…

  StellarMarket data

  n/a/ request

  2026-11-04

• https://agent402.tools/api/coin-history

  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 cr…

  StellarMarket data

  n/a/ request

  2026-10-27

• https://agent402.tools/api/coin-market-chart-range

  Price, market cap and volume series for a coin over an ARBITRARY time window: `from`/`to` as unix seconds or ISO dates, or `lookback` ("6h", "3d", "2w") ending now. Granularity is automatic upstream: 5-minute points for…

  StellarMarket data

  n/a/ request

  2026-10-27

• https://agent402.tools/api/coin-ohlc

  OHLC candles for a coin: days 1 (30-min candles), 7 or 14 (4-hour), 30 / 90 / 180 / 365 (daily), in any vs currency. Returns aligned {time, open, high, low, close} bars plus the window's high/low/first/last and % change…

  StellarMarket data

  n/a/ request

  2026-10-27

• https://agent402.tools/api/coin-price-by-contract

  Live price, market cap, 24h volume and 24h change for ERC-20 / SPL / other chain tokens looked up by CONTRACT ADDRESS on a named platform (ethereum, base, polygon-pos, arbitrum-one, optimistic-ethereum, binance-smart-ch…

  StellarMarket data

  n/a/ request

  2026-10-27

• https://agent402.tools/api/coin-profile

  Full profile of one coin by id: name/symbol, description, categories, contract addresses per platform, links (homepage, explorers, repos, social), hashing algorithm, genesis date, and a market snapshot in your currency:…

  StellarDeveloper tools

  n/a/ request

  2026-10-27

• https://agent402.tools/api/coin-search

  Resolve a name or ticker to coin ids: full-text search returning matching coins (id, symbol, name, market cap rank, ordered by rank), exchanges (id, name, market type) and categories (id, name), plus NFT collections. `l…

  StellarMarket data

  n/a/ request

  2026-11-06

• https://agent402.tools/api/coins-list

  The complete list of tracked coins (~18k) as {id, symbol, name}, paged: `page` + `perPage` (1-500, default 250). `includePlatforms: true` adds each coin's contract address per platform; `platform` (e.g. base, solana, et…

  StellarOther

  n/a/ request

  2026-10-27

• https://agent402.tools/api/college-lookup

  Look up US colleges by name via the Dept. of Education College Scorecard: state, out-of-state tuition, overall admission rate, and undergraduate size. Live gov data.

  StellarOther

  n/a/ request

  2026-10-27

• https://agent402.tools/api/color

  Convert a color between hex, RGB, and HSL. Accepts "#1a2b3c", "rgb(26,43,60)", or "hsl(210,40%,17%)".

  StellarDeveloper tools

  n/a/ request

  2026-10-27

• https://agent402.tools/api/company-financials

  Key financial metrics (Revenue, Net Income, Operating Income, Total Assets, Liabilities, Equity, EPS, Operating Cash Flow) for a US public company in one call. Returns the latest annual and quarterly values from SEC XBR…

  StellarMarket data

  n/a/ request

  2026-11-06

• https://agent402.tools/api/compound-interest

  Compute future value of a principal under compound interest. Returns future value, total interest earned, and the effective annual rate (APY) given the compounding frequency. Matches Excel's FV(rate, nper, 0, -principal…

  StellarDeveloper tools

  n/a/ request

  2026-10-27

• https://agent402.tools/api/compress-compare

  Run the same input through gzip, brotli, and raw deflate at max settings and report each one's output size and ratio. Use this to decide which algorithm to actually use - the answer depends on your content (binary often…

  StellarMedia

  n/a/ request

  2026-10-27

• https://agent402.tools/api/contract-abi

  Fetch the verified ABI for a contract address from an open verified-contract repository, plus a ready-to-use list of human-readable function signatures with their 4-byte selectors. Covers 8 EVM mainnets. Unverified cont…

  StellarOnchain data

  n/a/ request

  2026-10-27

• https://agent402.tools/api/contract-code

  Is this address a contract, and what code does it hold? Returns isContract, deployed bytecode size, and the keccak-256 hash of the bytecode (stable fingerprint for comparing deployments) on Ethereum, Base, Polygon, Arbi…

  StellarOnchain data

  n/a/ request

  2026-10-27

• https://agent402.tools/api/contract-source

  Fetch the verified Solidity source files and compiler metadata for a contract address from an open verified-contract repository. Covers 8 EVM mainnets (ethereum, base, polygon, arbitrum, optimism, bsc, gnosis, celo). Co…

  StellarOnchain data

  n/a/ request

  2026-10-27

• https://agent402.tools/api/correlation

  Pearson correlation coefficient between two equal-length numeric series. Returns r (the correlation, -1 to 1), r² (variance explained), n (sample size). Use this to ask things like: is a stock's daily return correlated …

  StellarMarket data

  n/a/ request

  2026-10-27

• https://agent402.tools/api/count

  Count characters, words, lines, and (optionally) occurrences of a substring in text.

  StellarDeveloper tools

  n/a/ request

  2026-10-27

• https://agent402.tools/api/country-info

  Country facts by name or ISO code: official name, capital, region, currencies, languages, timezones, dialing code, TLD, and more. Committed open dataset (world-countries, ODbL, plus the IANA timezone country map) - offl…

  StellarDeveloper tools

  n/a/ request

  2026-10-27

• https://agent402.tools/api/cpi-yoy

  Latest US Consumer Price Index year-over-year inflation rate (headline CPI-U) plus the trailing 12 months of YoY readings - the headline inflation number. A month with no published value is listed in missingDates rather…

  StellarMarket data

  n/a/ request

  2026-11-04

• https://agent402.tools/api/crc32

  CRC-32 checksum of a text string (hex), the IEEE polynomial used by zip/png/gzip.

  StellarDeveloper tools

  n/a/ request

  2026-10-27

• https://agent402.tools/api/cron-next

  Parse a 5-field cron expression and return the next N run times (UTC).

  StellarDeveloper tools

  n/a/ request

  2026-10-27

• https://agent402.tools/api/crypto-global

  Global crypto market snapshot: total market cap, total 24h volume, BTC dominance, ETH dominance, active coin count, active exchange count, and 24h market-cap change %. Returned in a chosen vs_currency (default usd). Dat…

  StellarMarket data

  n/a/ request

  2026-11-04

• https://agent402.tools/api/crypto-history

  Historical price, market cap, and volume time series for a coin. Granularity is automatic: <=1 day = 5-min bars, 2-90 days = hourly, >90 days = daily. Days: 1, 7, 14, 30, 90, 180, 365, or "max". Returns aligned arrays o…

  StellarMarket data

  n/a/ request

  2026-10-27

• https://agent402.tools/api/crypto-indicators

  RSI, MACD, EMA 20/50/200, SMA 20/50, Bollinger bands, ATR and VWAP computed deterministically from live candles for one coin and interval, with the latest series points and a plain-language summary. Use it when an agent…

  StellarMarket data

  n/a/ request

  2026-10-27

• https://agent402.tools/api/crypto-market

  Top N coins by market capitalization with full market snapshot per coin: rank, price, 24h change, 7d change, 24h volume, market cap, circulating supply, and all-time high. Default 10, max 100 per call. Data provided by …

  StellarMarket data

  n/a/ request

  2026-11-04

• https://agent402.tools/api/crypto-market-pulse

  The whole crypto perp market in one call: advancers versus decliners, mean, median and volume-weighted 24h change, total open interest and volume, top contracts by volume, the day's gainers and losers, funding extremes …

  StellarMarket data

  n/a/ request

  2026-10-27

• https://agent402.tools/api/crypto-news

  Recent crypto headlines aggregated from the public feeds of major outlets, deduplicated and newest first, each with title, source, publish time, canonical URL and a short summary, filterable by keyword, source and time …

  StellarWeb data

  n/a/ request

  2026-10-27

• https://agent402.tools/api/crypto-options-chain

  The options chain for a currency and expiry sorted by strike: bid, ask, mark, mark implied volatility, open interest, 24h volume and the underlying, plus the list of available expiries. Use it when an agent is pricing a…

  StellarMarket data

  n/a/ request

  2026-10-27

• https://agent402.tools/api/crypto-orderbook

  L2 order-book snapshot for a spot pair: best bid/ask, mid price, spread (absolute + %), and the top N aggregated price levels per side (default 25, max 100). Pairs use BASE-QUOTE format (BTC-USD, ETH-USD, SOL-USDC). Rea…

  StellarMarket data

  n/a/ request

  2026-10-27

• https://agent402.tools/api/crypto-price

  Live spot price for one or many coins in any quote currency: last price, 24h change, 24h volume and market cap per coin, from a maintained market feed and answered in under a second. Use it when an agent needs a current…

  StellarMarket data

  n/a/ request

  2026-11-07

• https://agent402.tools/api/crypto-trending

  Trending coins in the last 24 hours, ranked by user search activity on the market-data site (currently ~15 results). Includes coin id, symbol, market cap rank, current price (BTC-denominated), and score. Useful signal f…

  StellarMarket data

  n/a/ request

  2026-11-04

• https://agent402.tools/api/csv-lint

  Validate CSV structure: consistent column counts across rows, properly closed quotes, delimiter detection. Returns row/column counts and any structural errors. Pure CPU.

  StellarDeveloper tools

  n/a/ request

  2026-10-27

• https://agent402.tools/api/csv-to-json

  Parse CSV (quoted fields supported) into a JSON array of objects, using the first row as headers (header=false for arrays).

  StellarDeveloper tools

  n/a/ request

  2026-10-27

• https://agent402.tools/api/csv-to-md

  Convert CSV into a GitHub-flavored Markdown table (first row is the header).

  StellarDeveloper tools

  n/a/ request

  2026-10-27

• https://agent402.tools/api/cve-lookup

  Look up a CVE by id, or search CVEs by keyword or product: the NVD description, CVSS severity and vector (v4.0, v3.1, v2), CWE weaknesses, affected products and versions (CPE), and reference links, joined with the EPSS …

  StellarSecurity

  n/a/ request

  2026-11-06

• https://agent402.tools/api/date-diff

  Difference between two dates/times in ms, seconds, minutes, hours, days, and a human summary.

  StellarDeveloper tools

  n/a/ request

  2026-10-27

• https://agent402.tools/api/date-format

  Parse a datetime from any format (ISO 8601, Unix timestamp in seconds or milliseconds, RFC 2822, or natural date string) and return it in every common format: ISO 8601, Unix (seconds), Unix (ms), RFC 2822, date-only, ti…

  StellarDeveloper tools

  n/a/ request

  2026-10-31

• https://agent402.tools/api/day-of-year

  Get the day number within the year (1-366) for any date, plus days remaining, leap-year status, percent of year complete, and a simple (Sunday-start) week number.

  StellarOther

  n/a/ request

  2026-10-27

• https://agent402.tools/api/decide

  Describe a job and get a call-ready plan: which tools, across this catalog and outside x402 sellers with a recently verified 402, solve it end to end, in what order, with fallbacks and input params that validate against…

  StellarOther

  n/a/ request

  2026-10-27

• https://agent402.tools/api/dedupe-lines

  Remove duplicate lines, preserving first-seen order. Returns the deduped text and how many were removed.

  StellarDeveloper tools

  n/a/ request

  2026-10-27

• https://agent402.tools/api/defi-chain-tvl-history

  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 grow…

  StellarOnchain data

  n/a/ request

  2026-10-27

• https://agent402.tools/api/defi-chains

  Blockchains ranked by DeFi total value locked with each chain's share of the total, native token, EVM chain id and CoinGecko id. Use it when an agent is comparing chains by DeFi activity or needs the canonical ids to qu…

  StellarOnchain data

  n/a/ request

  2026-10-27

• https://agent402.tools/api/defi-dex-volume

  Decentralized exchanges ranked by 24h spot volume with 7d, 30d, 1y and all-time volume, change, the chains each trades on and sector totals. Use it when an agent needs to know where onchain spot volume is happening or h…

  StellarOnchain data

  n/a/ request

  2026-10-27

• https://agent402.tools/api/defi-fees

  Protocols ranked by fees paid by users or by revenue kept, with 24h, 7d, 30d, 1y and all-time totals, change, category and chains, and chain-level gas fees on request. Use it when an agent is comparing protocols on real…

  StellarOnchain data

  n/a/ request

  2026-10-27

By chain

One seller wallet, each chain read on its own. We never send a payment, so we never observe what a paid call returns. Unknown means we hold no reading, not that anything failed.

Unknown. Prices are decoded only for USDC on Base and Solana.