A Hyperliquid account's historical account value and PnL across day/week/month/all-time windows, for any 0x address.
Trivia Daily knowledge challenge — answer one deterministically selected and shuffled question from a curated local set.
Resources for a specific origin/domain
Fuehrt Name, Rechtsform, Anschrift, Umsatzsteuer-Identifikationsnummer, Registernummer, Kontakt und vertretungsberechtigte Personen aus drei Quellen zusammen: der Eingab…
Gleicht einen Personen- oder Firmennamen gegen die konsolidierten Listen der EU, der Vereinten Nationen, des US-Finanzministeriums OFAC, des britischen OFSI und des Schw…
Prüft eine europäische Umsatzsteuer-Identifikationsnummer auf Länderpräfix, Länge, Zeichenvorrat und Prüfziffer, soweit das Verfahren je Land festgelegt ist, und fragt a…
Zerlegt eine einzeilige oder mehrzeilige Anschrift in Strasse, Hausnummer, Zusatz, Postleitzahl, Ort und Land, erkennt das Land aus dem Text, prueft das Postleitzahlmust…
RRULE recurrence expander — generate bounded RFC 5545 iCalendar occurrences in IANA timezones with windows, work limits, and daylight-saving (DST) policies.
Time interval merger — sort, deduplicate, and combine overlapping or adjacent RFC 3339 date-time ranges.
Assignment solver — exact minimum-cost worker-to-task matching for resource allocation, with deterministic choices and a primal/dual optimality certificate.
EVM address checksum and validation tool — normalize one Ethereum-compatible address and validate mixed-case EIP-55 input offline.
Solidity ABI calldata encoder — encode canonical typed values for an EVM smart-contract function call, with an optional selector and exact 256-bit integers.
Strict Solidity ABI calldata decoder — decode canonical EVM smart-contract function calls or typed values, verify selectors, and reject ambiguous offsets or padding.
X.509 TLS/SSL certificate inspector — parse fields and SANs, calculate a SHA-256 fingerprint, and check hostname and time validity without trust or revocation claims.
Circulating Supply — The total amount of all coins ever created or issued, i.e. the circulating supply. Data by Glassnode.
Number of Addresses with Balance ≥ 1k — The number of unique addresses holding at least 1k coins. Data by Glassnode.
Inspect one Base ERC-20 owner/token/spender allowance with same-block balance and token metadata plus factual exposure flags. No wallet access, signing, or transaction e…
Basename/ENS resolution on Base: forward name->address (give 'name') or reverse address->name (give 'address', forward-verified against spoofing).
Compute a deterministic similarity key for a name or address: the cheap first step of client-side blocking and deduplication. Records that share a key are duplicate cand…
Catalog of tokenized real-world-asset products ranked by TVL, from the DefiLlama RWA universe. Each row carries slug, name, symbol, normalized sub-category, backing type…
Live Bitcoin mempool snapshot: unconfirmed transaction count, total virtual size and total fees, a fee-rate histogram broken into buckets, and an estimated block backlog…
ABI-encode a function call (selector + args) or encode/decode arbitrary ABI types — build and parse EVM calldata correctly.
Look up the known breaches an email address appears in, returning breach METADATA only (name, date, data classes) and never passwords or leaked personal data. Uses the k…
Search awarded US federal contracts and grants from USASpending.gov, filtered by award type, recipient, agency, NAICS, keyword and fiscal year, returning a normalized aw…
