Explore APIs

Business Frameworks · business-frameworks/value/why@1.5 — why value is the objective a business is run against, and what moves it. Call before using the value scale bands or the two value decisions (reinvest-or-distribute, build-or-run-for-cash); returns 290 tokens of original synthesis citing two published works, with child handles — free layer at /catalogue.

Use to probe a URL for live HTTP status, final URL, redirects, content-type, and whether the response is HTML. Does not return the page body.

Weather for any coordinate. Current (default): temperature (C), relative humidity (%), wind speed, weather code — real-time. Historical: add start_date & end_date (YYYY-MM-DD, up to 92 days per call, archive lags ~5 days) for hourly history — backtest weather-sensitive strategies (energy, agriculture, logistics). Inputs: lat, lon, start_date?, end_date?. Keyless (Open-Meteo).

Ysaere Agent Hash Stamp — $0.02 USDC, no account needed. Returns a signed hash_only receipt and verify_url. Free GET resolve and proof. Integrity, not factual truth. Account version: Notary Receipt, 1 credit ($0.10).

Keyless web search for agents: pass a query, get a concise web-grounded answer plus the top source results (title, URL, snippet). Live web access, no API key or account needed. JSON response. $0.008 USDC per call, pay via x402, no API key.

Compute cryptographic digests and HMACs deterministically: MD5, SHA-1, SHA-256, SHA-384, SHA-512, output as hex, base64, or base64url. Add a "key" for HMAC. Built for checksums, content addressing, and signature verification. Inputs are hashed and discarded. POST a JSON body like: {"text":"hello world","algorithm":"sha256","encoding":"hex"}

Automaton-Sovereign Value API call

Resolves an address into its ENS reverse record on a given chain, with batch support up to 50 addresses and per-address chain scoping via interop addresses.

Access to api/v2/addresses/:address_hash/token-transfers. List token transfers involving a specific address with filtering options

x402 payment test and ping: one call with no required parameters returns server time (ISO 8601 and Unix ms), a request id, the seller payTo, chain id and an echo of your optional text, only after a real settlement. Use this when an agent needs to prove its payment flow works, measure round-trip latency or run a cheap scheduled canary against a live seller. No upstream, no model inference; paid rou

TradersHub trading signal: BUY / SELL / HOLD with confidence score, last price, RSI and trend for one ticker. Works for US stocks (AAPL), crypto (BTC-USD), forex (EURUSD=X), JSE (NPN.JO), LSE (TSCO.L), indices (^GSPC) and commodities (GC=F). For informational purposes only. Not financial advice.

Look up a product barcode number: identify and validate EAN-13, EAN-8, UPC-A, UPC-E, GTIN-14, ISBN-13/10, ISSN and ISMN codes (wrong check digits are reported with the correct digit), convert between forms (GTIN-14, EAN-13, UPC-A, ISBN-10 <-> 13) and decode the GS1 prefix. Then fetch product data from open databases: name, brand, quantity, categories, image, labels, Nutri-Score (food, cosmetics, p

Together AI pricing table: per-token cost of every AI model Together AI serves, in one call — input, output, cache and batch USD per 1M tokens, ranked cheapest first, with context window and capability flags joined in. Compare LLM token cost inside Together AI and against other providers hosting the same model. Normalized from public sources, cross-checked, refreshed hourly.

Use it before you send to an address, or to screen sign-ups and leads for typos, disposable domains and role addresses. Checks syntax, MX records (with the A-record fallback), null MX, a list of about 120,000 disposable domains, role addresses (info@, support@…) and free providers, without sending anything. No SMTP probing, so it can't confirm the mailbox exists. Never charged for errors: we settl

Forward geocode a free-text address, place name, or city (e.g. "Tokyo, Japan") into geographic coordinates — latitude and longitude — plus its IANA timezone. Use this to convert a location description into coordinates for mapping, distance, or timezone-aware lookups, or as the first step before coordinate-based endpoints like weather forecasts.

For bots that poll: crowd-state events (a perp entering or leaving a state) since a timestamp, newest first, up to 7 days back. Each event is signed with the mark price at the time. Not investment advice.

Spot USD price for a token/coin (CoinGecko where free tier suffices, else Alchemy). x402-paid.

ETH/USD read straight from Ethereum state, no CEX or API key: the Chainlink ETH/USD feed (latestRoundData) plus the Uniswap v3 WETH/USDC 0.05% pool spot price in one RPC batch. Median of fresh sources, per-source price, feed age and round, spread in bps.

Wallet balance on Base, Ethereum or Solana: give an address, get its ETH or SOL, USDC, USDT and any tokens you list, read live from the chain.

Cheapest end-to-end x402 purchase test. Always returns a 402 challenge without payment and the current full NegPrice decision after a valid USDC payment.

Entry point to the x402 Carbon Retirement API on Base. Returns every endpoint you need plus a live snapshot of the top 3 carbon classes and marketplace listings by liquidity. Discover, quote and certificate are free. Retiring is paid: each retirement costs the credit price plus a fee, sent from your own wallet (prepare/retire) or relayed from a signed USDC authorization (prepare-auth + POST action

Get the latest market quotes for one or more cryptocurrencies.

Telegram content analytics and data extraction: pull structured entities from a channel's recent posts, links, @mentions, #hashtags, $cashtags, emails, phone numbers and bot commands. Contacts, tickers or outbound links at scale. Formatting-level entities, not semantic NER.

EDINET filing calendar: annual securities reports (yukashoken hokokusho) filed by Japanese listed companies in a date range. Returns company code, EDINET document ID, fiscal period, accounting standard (JGAAP/IFRS/USGAAP) and the exact filing timestamp for each report — track new disclosures, trigger data pipelines, or find which Japanese stocks just reported. Query: /v2/calendar?from=2026-06-20&t

NattSwap cross-chain swap quote (Li.Fi)

SociaVault API proxy — twitter-search. Query/body matches https://docs.sociavault.com/api-reference/openapi.json. GET/POST per route; x402 per call. $0.014 USDC per request.

Resolves a provider id (api_football, sportradar, opta, entain, espn) or canonical machina URN to the entity it identifies, with all cross-provider ids attached.

Live current weather conditions for any city, sourced from Open-Meteo. Independently monitored by x402-list.com: 100% uptime since Oct 27, 2026, 14/14 x402 compliance checks (as of Oct 31, 2026). Evidence: https://x402-list.com/services/agentx402pay

Public holidays and business-day check for Norway and 200+ other countries, from the open-source Nager.Date holiday database. Without dato: every public and bank holiday of a year with local and English name and whether it is nationwide or regional. With dato: whether that date is a holiday or weekend, plus the next business day. Use it for deadline and SLA maths, delivery and payroll scheduling,

Parse RSS/Atom feeds into structured JSON. Pay per call with USDC (x402) or credits - archtools.dev