grundpreis.halowerk.com

Computes the unit price (German Grundpreis) of a grocery pack. Pass the price in EUR and either a quantity text (e.g. "500 g", "1,5 l", "6 x 0,33 l", "4x125g") or an EAN; with an EAN the pack size is taken from Open Food Facts. Returns the parsed quantity, the normalised base quantity in kg or l, th

Compares up to 20 grocery packs by unit price. Each pack has a price in EUR and either a quantity text ("750 g", "2 x 1 l") or an EAN whose pack size comes from Open Food Facts. Returns each pack with normalised quantity and price per kg or litre, sorted cheapest first, the saving of the cheapest ag

Returns the product data fields needed for unit-price comparisons for one EAN from the Open Food Facts extract for Germany and Austria: product name, brand, declared quantity text, normalised quantity in kg or l, main category, category path, labels (e.g. organic, fair trade) and the markets listed.

For one Open Food Facts main category (e.g. en:butters, en:pastas, en:milks; an EAN can be given instead to use its category), collects the latest observed Open Prices price of every product in that category in the last 365 days in Germany or Austria and returns the unit-price distribution per kg or