# HALOWERK grundpreiswerk - grocery unit prices

> HALOWERK grundpreiswerk - grocery unit prices. Bezahlung über x402 in USDC auf Base Mainnet.

- **Domain**: `grundpreis.halowerk.com`
- **Provider**: grundpreis.halowerk.com (https://grundpreis.halowerk.com)
- **A2A protocol version**: 0.3.0
- **Kind**: paid_api
- **Live-responds (last probe)**: False
- **Signed card**: False
- **Streaming**: False
- **Quality score**: 75%
- **Payment protocol**: x402 · network `eip155:8453` · ≥ $0.002
- **Wallet**: `0x2880edfff13100677bf97a3cbdf3bc34771c4e5e`

## Skills
- **Unit price per kg or litre for a grocery pack: give a price and a quantity text like "6 x 0,33 l" or an EAN, get EUR per kg/l and per 100 g/ml.** — 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") 
- **Which pack is cheapest per kg or litre? Compare 2 to 20 packs by unit price; give price plus quantity text or EAN for each.** — 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
- **Pack size and product data for a grocery barcode (EAN) sold in Germany or Austria: declared quantity, normalised kg/l, brand, category and labels.** — 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, dec
- **Unit-price spread of a grocery category in Germany or Austria: median, quartiles and the cheapest observed products per kg or litre.** — 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

## URLs
- Agent card: https://grundpreis.halowerk.com/.well-known/agent-card.json
- Page (HTML): https://agenstry.com/agents/grundpreis.halowerk.com
- Documentation: https://grundpreis.halowerk.com