Explore APIs

Most extreme perp funding right now across Hyperliquid, filtered by open interest. Top crowded longs and shorts.

One-call company snapshot from SEC data: profile, filing freshness, red-flag filings, insider filing count and LEI.

Bond type between two elements from the Pauling electronegativity difference: nonpolar covalent, polar covalent or ionic.

Verifiable track record for any Hyperliquid wallet from the public ledger, for copy-trading research and prop screening. Answers "what is this trader's win rate and drawdown", "which markets make their money", "how fresh is their activity". Per address: realized PnL, win rate and expectancy per closing order, profit factor, fees, per-market breakdown, equity curve, max drawdown, live positions, an

ClinicalTrials.gov lookup, deterministic. Answers "what is the status of NCT02142738", "recruiting phase-3 melanoma trials", "Pfizer trial pipeline". Single trial by NCT id (status, phase, sponsor, enrollment, dates, countries) or search by condition/sponsor with phase and status filters. Typed records straight off the official v2 API — no LLM, no key, public domain.

Rail/coach/ferry/cruise compensation eligibility — UK Delay Repay, EU Rail 2021/782 (25/50%), EU/UK ferry 1177/2010, EU coach 181/2011, US FMC cruise refunds (46 CFR 540, 3-day rule), Athens Convention ship baggage — plus honest answers for VIA, Amtrak, India TDR, Japan JR. Deterministic percentages, article-level citations, claim-deadline math, operator defenses. No LLM.

secp256k1, P-256 and P-384 public parameters (p, n, G) from SEC 2, with an on-curve check of a public point.

Solana Program Derived Address (PDA) calculator — derive the canonical off-curve address and bump from bounded public seeds offline, without RPC or key handling.

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

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.

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.

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

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.

Statistically-backed racing angles — trainer/jockey combos and trends. For horse-racing betting agents.

Trademark knock-out check with live official verification: name in, conflict risk verdict out. Candidate conflicting marks are looked up in the USPTO TSDR system in real time and returned as verbatim official records (LIVE/DEAD status, owner, classes, dates) — research leads that could not be officially verified are labeled as such. US federal register; names the right register for non-US markets.

Bitcoin network health: tip height, block pace vs 10 minutes, difficulty retarget forecast, hashrate trend and Lightning size.

Cadence needed to hold a target speed in a given gear, and the chainring-to-cog ratio needed for a speed at a cadence.

Supported perpetual-futures trading pairs — the list of symbols (BTCUSDT, ETHUSDT, …) the funding-rate scanner and signals cover, as a clean snake_case envelope.

Great-circle distance (miles, km, feet, nautical miles) and initial compass bearing between two latitude/longitude points.

Score needed on a final exam (or any remaining work) to reach a target class grade, from current grade and its weight.

Scan untrusted text (a web page, email, tool output or document) for prompt-injection and agent-hijacking patterns before it reaches an LLM. Returns a risk level, score, findings with offsets and a sanitized copy. Deterministic, sub-50ms.