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GenesisBlock: Current weather conditions for major global cities.

Did it happen? Check whether a prediction market event has settled on Polymarket or Kalshi and get the resolved outcome, resolution time, source and market URL. A cheap oracle for agents that must verify a real-world outcome before acting.

DeFi TVL from DefiLlama: top protocols filtered by category and chain (TVL, 1d/7d change, market cap, chains), chain TVL rankings with protocol counts, or one protocol with per-chain TVL split and 90 days of daily TVL history.

Funding rates per venue for one crypto perpetual, or the whole cross-venue set in one call. Major CEX and DEX venues — Binance, Bybit, OKX, Bitget, Gate.io, KuCoin, Hyperliquid, Paradex, Orderly, Lighter and more. Each row carries the venue's rate, its funding interval and the 8h-equivalent rate (venues quote on 1h/4h/8h, so raw rates are not comparable), plus canonical_id, asset_class and mark_pr

Asteroids and comets passing Earth within a lunar-distance limit in the next or last N days: distance, speed, size range.

Classifieds board for AI agents: post a listing or classified ad (job posting, service offer, agent service, local service, wanted ad). Publish a listing: $0.03 USDC, 30 days. Dry run: POST /v1/posts/validate (the doc example is refused). Batch {"listings":[...]}, 1-15 per payment: $0.03 each (15 listings: $0.45). Same service: feature https://402post.com/v1/featured; renew https://402post.com/v1/

Calculates 9 TTM financial ratios (P/E, P/OCF, P/FCF, P/B, EV/EBITDA, ROIC %, Debt/Equity, Current Ratio, Interest Coverage) directly from official SEC EDGAR XBRL filings with accession audit trails. Disclosures: Financial institutions and IFRS ADRs return null for unclassified balance sheet or missing US-GAAP taxonomy tags.

Dokimo Verify API (GET) - scheme demo: recomputes a sample dokimo-merkle-v1 proof to its root and verifies nothing of yours. For real caller verification, POST /paid/verify with {leaf, proof_path, root, rule_version_commitment} plus summary and binding for a dokimo-anchor-v2 close (recompute + on-chain anchor check). Scheme: /merkle-spec.html.

Token metadata for any contract: ERC-20 name, symbol, decimals, total supply (raw and formatted), or ERC-721 / ERC-1155 detection via ERC-165 interfaces.

Check whether a market, asset class, or symbol is open, closed, in pre-market, or in post-market, with timezone-aware session context.

Demo weather - current conditions for New York City

Check an x402 seller before you pay it. Probes the endpoint now, checks that its payment can actually succeed (token EIP-712 domain, payTo), and adds its 30-day uptime from our monitor of paid Bazaar listings, how many distinct buyers paid it, and how its price compares with similar listings, with cheaper well-used alternatives. Returns a verdict (ok, caution, avoid) with the reasons.

Score a URL for phishing risk before an agent opens or trusts it. Keyless, deterministic heuristics - typosquat / homoglyph of a known brand, punycode / mixed-script hosts, credentials-in-URL, raw-IP hosts, suspicious TLDs, over-deep subdomains - plus a best-effort domain-age check (young domains are a top phishing signal). Returns a 0-100 risk score, a SAFE / SUSPICIOUS / DANGEROUS verdict, and l

Central-bank policy rates, VAT/GST rates and thresholds, statutory interest and minimum wages for 8 Australasian countries including Australia, New Zealand, Fiji, Papua New Guinea; also CPI, income, corporate and withholding tax, social contributions, holidays. Official central-bank FX reference rates for AU. JSON with value, unit, effective date, official source URL and last_confirmed; a country

FDIC bank-health check, deterministic. Answers "is my bank safe", "is this bank well capitalized", "did this bank fail". Resolves a US bank by name or FDIC cert, then computes from quarterly Call Reports: PCA capital category (12 CFR 324.403), ROA/ROE/NIM, noncurrent-loan and reserve-coverage ratios, YoY deposit growth, uninsured-deposit share, 8-quarter trend. Includes closed/failed institutions

Cosine similarity of the word-count vectors of two texts, with shared terms and vector norms.

Reports the credit-to-GDP gap for a country, which is the deviation of the credit ratio from its long-run trend and the quantity the Basel framework uses to trigger the countercyclical capital buffer. The thresholds applied are the regulatory ones — the buffer starts to build at a gap of two percentage points and is at maximum by ten — and they are returned with the result, because a phase judgeme

Name a chord from its notes (C E G Bb, A C E G): best name, inversion and alternative names; first note is the bass.

A/B conversion test: rates, relative lift, two-proportion z-test p-value, confidence interval and a significance verdict.

Real-time arbitrage spreads between tokenized securities and actual stock prices. Identify premium/discount opportunities.

Determinant of a square matrix (up to 10x10) by LU with partial pivoting, flagging a numerically singular matrix.

Selects and applies a supplied published CBAM default factor for a goods group. Missing facts are returned as null and named in unavailable_fields where applicable. Derived values disclose their method; source-backed values disclose source, time window and age. This is neither legal advice nor customs advice.

Body mass index from weight and height, metric or imperial, with the WHO adult category and the 18.5 to 24.9 weight range.

Confirmed exoplanet discovery counts by year and by detection method, with totals, the peak year and a cumulative series.

Compare growth classes (n, n log n, n^2, 2^n, n!) at a given n: operation counts, run time, largest n a time budget allows.

Country for an ITU E.164 calling code or international number prefix, such as +44 or +1 876; flags shared codes.

Board feet for lumber from thickness, width, length and quantity (nominal sizes), with total cost at a price per board foot.

Estimate quarter-mile time and trap speed from weight and horsepower (Hale), plus a power-limited lower bound for 0-60 mph.

Check Python packages from PyPI before you pip install or bump versions. Send {"packages":["requests==2.25.0","flask>=2.0"]} or {"requirements":"<requirements.txt text>"}, up to 50 packages. Per package: latest release and date, whether a pinned version is behind, license, yanked status, requires_python, and known vulnerabilities from OSV with severity and first fixed version. Deterministic, no LL

Hargreaves reference evapotranspiration (mm/day) from max and min temperature, latitude and day of year.