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Jeder übersprungene Tag kommt mit Grund zurück: Wochenende, benannter Feiertag oder ein selbst gesetzter freier Tag. Samstag und Sonntag lassen sich zu Werktagen erklären.

Private key/value memory for an agent: remember values across calls (set/get/delete/list/exists), scoped to the paying wallet.

Deterministic IBAN check before a SEPA/international transfer: format regex, per-country length (public SWIFT registry, ~85 countries) and ISO 7064 mod-97 checksum. Query: ?iban=FR1420041010050500013M02606 (spaces/dashes tolerated). Returns valid, country, bban, and a precise failure reason. Pure offline computation, 1y cache.

Hourly weather forecast for any point on Earth from Open-Meteo (blend of ECMWF/GFS/ICON models, refreshed hourly; data CC-BY 4.0). Query: ?latitude=48.8566&longitude=2.3522&hourly=temperature_2m,precipitation,wind_speed_10m&forecast_days=2 (1-16 days, ~80 hourly variables available, optional daily= aggregates and timezone=auto). ISO 8601 time arrays + units. 15 min cache.

French address geocoding on the official Base Adresse Nationale (api-adresse.data.gouv.fr, Etalab/IGN, continuously updated). Forward: ?q=8 boulevard du port amiens with optional &type=housenumber|street|locality|municipality &citycode=80021 (INSEE filter). Reverse: ?lat=49.897&lon=2.290. &limit=1-10 (default 3). Each match returns normalized label, confidence score, lat/lon, street, postcode, city, INSEE citycode and context. No match returns 400 (not billed). Cached 24h.

Official French administrative reference from geo.api.gouv.fr (INSEE/IGN data). Look up communes by ?cp=31700 (postal code), ?code=31056 (INSEE), ?nom=Blagnac (fuzzy name) or ?lat=43.63&lon=1.37 (commune containing a point). Returns up to 20 communes with name, INSEE code, population, postal codes, departement, region and EPCI. The postal-to-INSEE mapping is the pivot key for joining French territorial datasets. Cached 7 days.

BTC and ETH market-cap dominance (% of total crypto market cap), plus total market cap and active-coin count, refreshed every ~5 min. Use to gauge whether capital sits in majors vs alts. For the alt-rotation read specifically, use /alt-season.

Insider trading (SEC Form 4): what a company's officers, directors and 10% owners bought and sold, parsed from their Form 4 filings at call time from EDGAR. Each trade: insider, role, date, code and meaning, shares, price, value, holdings after, 10b5-1 plan flag, filing link. Summary: open-market buys vs sells, net shares and dollars. Input: symbol (US ticker) or cik; optional days (default 90), codes such as ["P","S"].

Dataset file to JSON rows: a CSV, TSV, XLSX or JSON link from any portal, an e-Stat (Japan) download or a data.go.kr (Korea) dataset page. Encoding detected (Korean, Japanese, Chinese, UTF and Western code pages), header row found, numbers typed, XLSX sheets selectable, large files capped and disclosed. Use it after opendata.search or on any data file URL. Input: url; optional max_rows, sheet, encoding, delimiter.

Signed plug-in solar legality record for one US state. Free preview: GET /solar-legality/preview A missing or unknown state returns 400 or 404; you are never charged for an error.

RFC 3986 percent-encode an input string for safe use in URLs, query strings and path segments (spaces become %20).

Base58-encode bytes with the Bitcoin/Solana alphabet (no 0, O, I, l) — the encoding behind BTC and Solana addresses.

Base58-decode a Bitcoin/Solana string to raw bytes, returned as hex and base64. Rejects invalid symbols.

Base64-encode an input string. Standard encoding for binary-safe transport of text and data.

Parse a URL into its components: scheme, host, port, path, query and fragment.

Compute the SHA-512 hash (hex digest) of an input string. Deterministic cryptographic hashing for checksums and fingerprints.

Hex-decode a hex string (optional 0x prefix) back to bytes, returned as UTF-8 (when printable) and base64. Rejects odd-length or non-hex input.

Structural diff of two JSON values: dotted-path lists of added, removed and changed fields, plus an equal flag. Input JSON strings or objects.

Base64-decode an input string back to its original text. Strict decoding of standard base64.

Validate whether an input string is well-formed JSON. Returns a valid flag and a parser error message when invalid.

Convert any string into a URL slug: ASCII, lower-cased, dashes for separators. For permalinks, filenames and stable ids.

Convert a timestamp between unix seconds and ISO-8601 (UTC) in either direction: {value, from:unix|iso, to:unix|iso}. Timezone-safe date math for scheduling, logs and on-chain timestamps.

Compute an HMAC signature (hex) of an input string with a secret key. Supports sha256, sha512 and other algorithms — for webhook signing and message authentication.

Compute the SHA-256 hash (hex digest) of an input string. Deterministic cryptographic hashing for checksums, fingerprints and content addressing.