# fitze-x402-seller A pay-per-call service. Each tool returns HTTP 402 with x402 payment requirements; pay in USDC on Base mainnet (EIP-3009 signed auth, settled by the declared facilitator), then retry with the X-PAYMENT header to get the result. ## Tools - https://fitze-x402-seller.app.workbuddy.host/tools/web_fetch — $0.005: Fetch a public URL and return status, final URL, title, cleaned text (scripts/styles stripped, truncated) and the top 20 absolute links. Useful when an agent itself cannot reach the open web. - https://fitze-x402-seller.app.workbuddy.host/tools/domain_intel — $0.005: Domain due-diligence bundle: RDAP registrar + creation/expiry dates + status, DNS records (A/MX/NS/TXT), and Certificate Transparency history via crt.sh. Use to vet a domain before trusting or linking to it. - https://fitze-x402-seller.app.workbuddy.host/tools/github_repo — $0.005: GitHub repo snapshot: stars, forks, open-issue count, watchers, primary language, SPDX license, created/pushed dates and latest release tag. Use to triage a repo before contributing or depending on it. - https://fitze-x402-seller.app.workbuddy.host/tools/token_intel — $0.005: Base ERC-20 due-diligence: on-chain name, symbol, decimals and total supply via eth_call. Use to sanity-check a Base token address before interacting with it. - https://fitze-x402-seller.app.workbuddy.host/tools/repo_diligence — $0.03: Deep GitHub repo due-diligence: base snapshot + last 5 commits (author/date/message), contributor count, archived flag, security-policy presence, latest release cadence and open/closed issue ratio. Use to decide whether to depend on or contribute to a repo before trusting it. - https://fitze-x402-seller.app.workbuddy.host/tools/web_brief — $0.02: Multi-source research brief from 1–3 URLs. For each source extract title, meta description, key sentences (numbered/quoted/date-or-figure-bearing) and outbound links. Returns a structured, citable brief other agents can consume without their own web access. - https://fitze-x402-seller.app.workbuddy.host/tools/stock_quote — $0.01: Real-time stock quotes: price, change, change percent, open, high, low, volume, turnover, currency and exchange timestamp. Covers A-shares (sh600000, sz000001), Hong Kong (hk00700) and US (usAAPL or plain AAPL). Accepts several symbols at once separated by commas. No API key needed, sourced from Tencent qt.gtimg.cn with a Nasdaq fallback for US tickers. - https://fitze-x402-seller.app.workbuddy.host/tools/free_url_check — $0: FREE: check whether a public URL is reachable and what it is. Returns HTTP status, final URL after redirects, content type and page title. Use web_fetch (paid) for full text and links. - https://fitze-x402-seller.app.workbuddy.host/tools/usgs_earthquakes — $0.002: Recent earthquakes from the USGS GeoJSON feed (no API key). Returns magnitude, place, time, depth and coordinates for each event. Params: period = hour|day|week (default day); minmag = minimum magnitude (default 0); limit = max events (default 20). - https://fitze-x402-seller.app.workbuddy.host/tools/open_meteo_weather — $0.002: Current weather from Open-Meteo (no API key, no signup). Given lat/lon returns temperature (C), apparent temperature, humidity, wind speed, precipitation and a WMO weather code. Params: lat, lon (required). - https://fitze-x402-seller.app.workbuddy.host/tools/exchange_rates — $0.002: Live fiat exchange rates (open.er-api.com, no key, ~200 currencies). Params: base = ISO code (default USD); to = comma list or single code (default EUR,GBP,JPY,CNY). Returns rates and the last-update timestamp. - https://fitze-x402-seller.app.workbuddy.host/tools/sec_edgar_search — $0.02: SEC EDGAR full-text search (efts.sec.gov, no key). Find filings by term. Params: q = search term (required); forms = comma list e.g. 10-K,8-K; limit = max hits (default 10). Returns filing date, company, CIK and accession number for each hit. - https://fitze-x402-seller.app.workbuddy.host/tools/fda_recalls — $0.02: FDA recall enforcement reports from open.fda.gov (no key, rate-limited). Params: type = food|drug|device (default food); reason = free-text filter; limit = max records (default 10). Returns recall reason, status, date and product description for each match. Recipient wallet (USDC on Base): 0x0751C1d8DbA83d8968401293b50Bc91E7701dcf8