All projects on Base matching “changes”

Fetch a public https URL, compute SHA-256 of the response body, and report whether it changed vs a prior sha256/etag ($0.01 USDC via x402). Sticky: store sha256 and call again later. Optional previous_sha256, previous_etag, include_body_if_changed. https only — http, file, data, localhost, and private IPs rejected. Caps: 1 MB body, ~10s timeout, max 5 redirects. Returns JSON { url, final_url, cont

Compact LLM-friendly Hyperliquid perp market brief in one call: a plain-English brief_text paragraph plus JSON for BTC/ETH/SOL/HYPE (mark, 24h change, funding APR, predicted funding, OI and OI change), top-5 funding extremes each side, largest whale net tilts, nearest whale liquidation levels for the majors, and HL listing/delisting events with our first-seen timestamps. Freshness fields included.

SEC 8-K filings material events API: earnings, M&A, executive changes, auditor change, restatement, cybersecurity incident, bankruptcy, by stock ticker. Extractive/factual only — accession number, EDGAR filing URL, Item numbers with official Item titles verbatim, filed timestamp, response timestamp. No buy/sell signals, scores, sentiment, or rankings. highImportance is a fixed Item-number rule (1.

Current cryptocurrency price in USD and EUR with 24-hour change, by coin id (bitcoin, ethereum, solana, and any other). Use it to look up what a token costs right now, or to price something in crypto. Returns price, 24h change and data source.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC, and only when there is something to deliver. Changes recorded across every member of a named set (inference or devtools) after your since cursor, newest first, each with the slug, detection time, source page and the same change object the per-slug endpoint returns. An empty window is answered free (charged false) and never reaches this p

Get founders of the specified company. Pagination billing: call the first page normally and save billing.requestId from the Orthogonal /v1/run response. For later page, offset, or cursor calls on the same logical search, pass parentRequestId with unchanged non-pagination parameters. Valid continuation calls still get their own request IDs and quoted price, but are charged 0. Changing filters start

US drug overdose deaths by state - latest 12-month CDC provisional counts for fentanyl, opioids, heroin, cocaine and meth, with year-on-year change

Official rate and macro series in one call, by name: fed_funds, us_cpi, us_core_cpi, us_unemployment, us_10y, us_2y, us_mortgage_30y, us_gdp, wti_oil, brent_oil, henry_hub_gas, us_house_price_index, ecb_deposit_rate, ecb_main_refi_rate and euro_area_hicp. Latest value, change vs previous and vs a year earlier, and observations. Up to 6 series. FRED (US public domain), the ECB Data Portal and Euros

Economic data / macro indicators for any country, live: GDP, growth, GDP per capita, inflation (CPI), unemployment, population, interest rates, exchange rate, debt, trade, FDI or any World Bank indicator code. Annual for 200+ economies from the World Bank; monthly EU inflation and unemployment from Eurostat. Returns the series, latest and previous values, the change and the source's update stamp.

Proofread — Proofreads a text with minimal intervention, in the language of the text. Fixes spelling, grammar, punctuation and obvious typos, keeps everything else, and returns the corrected text plus a short list of changes for review. Use when asked to proofread, correct, spell-check or fix the mistakes in a text without rewriting it. One-time purchase of the SKILL.md file itself (Agent Skills f

Crypto market tickers (replacement for the closed Nomics ticker API): rank, name, symbol, price, 24h volume, market cap, circulating/total/max supply, % change over 15m, 1h, 24h, 7d, 30d, 1y, all-time high price/date and distance from it, in USD or another quote (EUR, GBP, JPY, TRY, BTC, ETH). Top coins by rank, or specific CoinPaprika ids (btc-bitcoin, eth-ethereum). Data from CoinPaprika's publi

Trace the redirect chain of a URL to its final destination without downloading page bodies: every hop with its status code, time and Location header, the final URL, whether the domain changed, and loop detection. Useful before trusting a short link or an ad link. Query: ?url=https://bit.ly/…

Return one current Coinbase spot-product snapshot for an exact BASE-QUOTE product id, including venue price, 24-hour price change and provider-reported 24-hour product volume. Forest reads only Coinbase Advanced Trade public market data; it does not infer tickers, infer the provider volume denomination, aggregate venues, read an account or wallet, place orders, provide an executable quote, forecas

List all AI models on Bittensor. OpenAI /v1/models compatible. Drop-in: just change base_url to gateway.spraay.app/bittensor/v1

Perpetual-futures market data from Hyperliquid for any coin (BTC, ETH, SOL, HYPE…): mark price, hourly funding rate and its annualized APR, open interest in coin and USD, 24-hour notional volume, 24h price change, and max leverage, across 200+ perp markets. Sort by volume, open interest, or funding. Track the perp market the way trading agents do. Sourced from Hyperliquid.

Price a swap without building a transaction. Returns expected input, output, and gas without constructing an executable transaction. Quotes are informational and can change with liquidity and chain state.

Typical market rent for US metro areas or cities from the Zillow Observed Rent Index (ZORI, Zillow Research's official public data, all home types, smoothed, USD per month): latest monthly value, change vs 12 months earlier and monthly history for every region whose name matches (up to 10, largest first), with state, metro and county. Index data, not individual listings (zillow.com listing pages b

How is TradFi trading right now, next to crypto? Any list of US equity symbols plus the S&P 500, NASDAQ and Dow, each returned with price and 24h change already computed and in the same shape as our crypto routes, so both sides of a comparison arrive from one call.

One-way flight options with prices from Google Flights for a route and date (IATA codes, e.g. JFK to LHR): lowest fare in USD, airline(s), stops, departure and arrival airport, local times and dates, total duration and layover airports, as shown on Google's public results page. Economy, 1 adult. Prices change constantly and are Google's displayed 'from' fares, not bookings.

Normalize an agent payload to a PHION service schema without changing payment-critical values; return a signed repair receipt

Hyperliquid vs Binance vs Bybit predicted funding comparison for one perpetual futures market, plus current funding rate, open interest and basis. Use when an agent monitors a perp position or funding carry. Input: coin (e.g. BTC, ETH, kPEPE). Output: JSON as_of, cache_age_s, 1h + annualized funding, OI coin/USD, mark/oracle/mid, basis %, premium, 24h volume and change, per-venue predicted funding

Returns current token prices with FDV, liquidity, and 24h price change, quoted in **USD**, **ETH**, or **BTC**. ### Rules - Provide **either** `symbols` or `addresses`, not both. - Max **30 entries** for either parameter (pipe-delimited). - `quote_symbol` must be one of: `USD`, `ETH`, `BTC`.

One combined reading for agent loops: AI provider health from public status pages, x402 facilitator reachability on the XRP Ledger and recent changes in our record. Returns storm (boolean), level, one reason, asOf and sources with timestamps. Additive measured fields: observed_payment_success (15m/…

SwapHunt — a crypto market-context toolkit for trading agents: live prices, market regime, volatility, sentiment, funding, macro events, seasonality and anti-FOMO sanity checks, all pay-per-call. This route returns a single asset's live spot price with 24h context: price, 24h change %, 24h high/low and volume — one clean JSON snapshot (BTC, ETH, SOL, any major). For many assets at once use /price/

AI & automated-systems governance regulatory & enforcement changes since a timestamp, merged from the Federal Register (rules, agency notices, executive orders), White House actions, FTC AI enforcement, the EU AI Office & Commission, EU legal acts, and NIST standards activity. Each item scored 1-10 for impact, tagged with its originating regulator (detail.origin), with primary-source links.

EU market brief — 4 European equity indices (price + % change), the ECB's daily reference rates for USD, GBP, CHF, JPY and CNY, and the latest ECB press releases, speeches and interviews. No inputs, one call.

Takes two documents, by URL, inline base64 or raw text, extracts the text of each and compares them. Paragraphs are the unit: the answer lists every block that was removed, added, or kept but reworded, and for reworded blocks it names the individual words that went and came, so a single changed number in a long clause is visible instead of the whole clause being flagged. Alongside the content diff

Get the latest available price for any US-listed stock: the most recent 1-minute bar close plus today's OHLCV, change, and previous close. Currently 15 minutes delayed; each response carries `is_delayed: true`. Real-time pricing lands when the data plan is upgraded. From x402stock, a pay-per-call market & economic data API for AI agents. No API key or account; pay in USDC via x402.

Use before acting on a Hyperliquid perpetual to see how its most profitable traders are positioned: how many wallets in a 200-wallet smart-money cohort are long vs short, long, short and net USD, the 24h change, concentration, leverage settings, share of open interest, and how that compares with the crowd (funding, 7-day move). Flags smart money positioned against a crowded move. Aggregates only,

Simulate an EVM transaction before signing. Decodes the calldata into a named function with arguments and security risk flags, AND runs a keyless static eth_call preview to tell you whether the transaction would succeed or revert (with the decoded revert reason). Use it to catch a failing or malicious transaction before you broadcast it. Read-only, no keys, no node infra. Asset-level change tracin