Explore APIs

Native coin and ERC-20 token balance for any wallet address on Base, Polygon, Arbitrum, Optimism or Ethereum. Returns raw and human-decimal amounts in one call.

Fetch any public URL, render client-side JS, strip nav/ads, return clean LLM-ready Markdown.

Use when you need callable agent services for a capability across protocols: x402 listings ranked by relevance weighted by 30-day paying wallets, plus hosted MCP servers from the Official MCP Registry (a capped subset, count in coverage; those naming x402, L402, MPP or pay-per-call first; that registry publishes no prices). L402 and MPP listings are not covered. ?q= required. $0.002 USDC per call.

Summarise IPv4 or IPv6 CIDR blocks into the minimal set (merging adjacent and overlapping blocks) plus the covering supernet.

Compare equal periodic buys (dollar-cost averaging) with one lump sum on the first date, over a list of prices.

A Hyperliquid account's perpetuals state — open positions, margin summary and withdrawable balance, for any 0x address.

List every JMA forecast office (府県予報区) in Japan with its code, Japanese/English name, and class10 sub-regions. Use this to discover valid `:area` values.

Official public holidays by country and year, with regional subdivisions, localized names and normalized dates.

Trademark search / brand-name clearance / trademark availability check for any mark. Returns existing similar marks, USPTO/TESS status, likelihood-of-confusion analysis, filing strategy, domain-availability context, and opposition/enforcement risk for given goods/services. For IP and brand agents. Worldwide.

The catalog of Hyperliquid prediction-market outcomes and their metadata.

Use this when you already have a carrier's USDOT number and need its current profile: safety rating, authority status, insurance flags, fleet size. Returns Active, Inactive, and Pending carriers alike. Billed only when the number resolves to a real carrier; an unknown number is free.

Search Mint & Marquee for gifts and collectibles: products that match what the person wants, under their budget, with price, photo, a short description and a link to buy. Custom 3D printed collectibles and gifts: figurines, statues, keychains, bag tags and branded merch. Soccer, anime, crypto, hypebeast and ancient-art collections.

Bounding box (min/max latitude and longitude) enclosing a radius in meters around a point, with pole and 180 degree handling.

Parse a Cache-Control value, explain each directive, compute freshness and flag conflicts or leaks.

Aspect ratio of a width and height (simplified, nearest common ratio) or the missing side for a ratio, with CSS values.

Beer, wine and cider alcohol by volume from original and final gravity, with both standard formulas and attenuation.

WCAG contrast ratio between two hex colors with AA and AAA pass/fail for normal and large text.

Age in years, months, days and days lived, Korean and East Asian ages, next birthday with leap-day rules, and zodiac.

Dynamic range, levels and smallest step for a PCM bit depth, theoretical SNR, and the bit depth needed for a dB range.

Real-time L2 sequencer health across 12 chains (Base, Arbitrum, Optimism, zkSync, Blast, Linea, Mantle, Mode, Scroll, Taiko, Polygon zkEVM, Casper). Returns kernel-level P99/P95 RTT from eBPF probes, revert ratios (Base and Arbitrum via eth_getBlockReceipts), gas pressure, and execution recommendation.

Elevation at a location and what it does: air pressure, boiling point of water, air density and oxygen versus sea level.

Complex number arithmetic, modulus and argument, integer powers, square root and n-th roots, in rectangular and polar form.

Battery runtime estimate from capacity (mAh and volts, or Wh) and load (mA or W), with efficiency and usable depth of discharge.

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.

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

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

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.