grundpreis.halowerk.com
grundpreis.halowerk.com · 5 paid endpoints · listed 2026-10-27
Calculate kg/l unit prices for up to 50 rows of price_eur plus quantity text or EAN. Example: items [{price_eur:1.29,quantity:"500 g"}]. Errors are reported per row; kg and litre groups are not comparable. Empty batches with no usable line are not charged. No observed store offer.
Paid endpoints
| Method | Endpoint | Price | Networks |
|---|---|---|---|
| POST | grundpreis.halowerk.com/v1/category-unit-prices Distribution of latest included product/store observations, with regular and promotional prices separate. Example: category en:pastas, country DE. Cheapest mean | $0.002 | Base |
| POST | grundpreis.halowerk.com/v1/pack-compare Compare supplied packs within the same mass or volume basis. Example: 500 g at EUR 1.49 versus 1 kg at EUR 2.69. Unknown quantities and incompatible units are m | $0.002 | Base |
| POST | grundpreis.halowerk.com/v1/pack-size Current documented pack quantity for an EAN string from Open Food Facts. Example: ean 4008400401621. Snapshot and data gaps are explicit. This is neither a hist | $0.002 | Base |
| POST | grundpreis.halowerk.com/v1/unit-price Calculate price per kg or litre from your price and quantity or an available EAN pack size. Example: price_eur 1.29, quantity 4x125g. This is a calculation, not | $0.002 | Base |
| POST | grundpreis.halowerk.com/v1/unit-price/batch Calculate kg/l unit prices for up to 50 rows of price_eur plus quantity text or EAN. Example: items [{price_eur:1.29,quantity:"500 g"}]. Errors are reported per | $0.005 | Base |
Latest checks
| When | Endpoint | HTTP | ms | Result |
|---|---|---|---|---|
| 5 days ago | grundpreis.halowerk.com/v1/category-unit-prices | 402 | 205 | valid x402 v2 terms |
Income on Base (7 days)
This provider's payout address is shared by several providers, so its income is not shown as its own.
Is this your API?
<a href="https://logicnodes.io/observatory/p/grundpreis.halowerk.com"><img src="https://logicnodes.io/observatory/badge/grundpreis.halowerk.com.svg" alt="x402 status"></a>
Claim it for free with
x402_provider_claim (sign with your payout address), and get an alert within minutes when it stops answering with x402_monitor_create ($5 for 30 days). Both work over MCP (https://logicnodes.io/mcp/v2) or POST https://logicnodes.io/v1/tools/<tool>.Income is all USDC received by the provider's payout address on Base, whatever the source. Score: 0-100: 50 x share of checks in the last 72 h that returned valid x402 payment terms + 30 x min(1, log10(1 + USDC received in 7 days) / 4) + 20 x min(1, log10(1 + distinct payers in 7 days) / 3). A provider never checked scores on income only; income is all USDC received by its payout address on Base, whatever the source. JSON: /v1/observatory/providers/grundpreis.halowerk.com