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Danish banking days: is a date a Danish banking day, why it is closed, the next banking day, and date + N banking days (payment deadlines).

Danish day-ahead electricity spot prices per 15 minutes for DK1 (West) or DK2 (East) for a date, in DKK and EUR per MWh, with average, cheapest and most expensive quarte…

Cheapest contiguous window of N hours to run a load (EV charging, heat pump, batch job) on a given day in Denmark (DK1/DK2), based on day-ahead spot prices.

CO2 intensity of Danish electricity (g CO2/kWh) for DK1/DK2: latest 5-minute value, last-hour average, and the forecast with the greenest upcoming hour. Source: Energine…

National public holidays for a year in EU/EEA/Nordic countries (plus CH, GB). Denmark computed locally, others via Nager.Date.

Working days in EU/EEA/Nordic countries: count working days between two dates (inclusive) and/or compute date + N working days, excluding weekends and national holidays.

Danmarks Nationalbank official DKK exchange rates (DKK per 100 units) for ~30 currencies; optionally convert an amount to/from DKK.

Convert an amount between any two of ~30 currencies using official ECB euro reference rates, for today or any date in the last 90 days (falls back to the previous ECB bu…

Accounting voucher data for a stablecoin payment received by an EU/Danish business: value in DKK and EUR on the receipt date using ECB rates (assuming 1:1 peg), with tx…

Danish company lookup by CVR number or name: legal name, address, status, industry, company type, employees. Data from the Danish CVR register (via cvrapi.dk).

Validate and geocode a Danish address: normalised address, postcode, city, municipality and coordinates (OpenStreetMap data).

Latest observed weather in Denmark from the nearest DMI station to a lat/lon (or a station id): temperature, wind, gusts, pressure, precipitation, visibility. Source: DM…

Latest sea level (cm relative to DVR90) and water temperature at Danish ports/tide gauges by port name (e.g. Esbjerg, Aarhus, Skagen). Useful for port calls, draught and…

Current VAT rates for EU member states: standard, reduced, super-reduced and parking rates with category notes. One country or all.

Validate an EU VAT number live against the European Commission VIES service; returns validity, registered name and address where the member state discloses them.

MiCA status of a stablecoin/e-money token (e.g. USDC, EURC, RLUSD, USDT): is a MiCA e-money token white paper notified in ESMA's register, by which issuer, home state an…

Check whether a crypto company (exchange, broker, custodian) holds a MiCA CASP authorisation in the EU, its home state, regulator, services and passporting, and whether…