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In plain words: what is this page about?

Here you find our articles about online shops, websites and web tech. We explain new rules, tools and good ways of working. You can filter the articles by topic. At the top of an article you find a short version in plain words. Ask us if something is still not clear.

16 min read

Pricing errors in online shops: what applies to wrong prices

One shifted comma and the item costs a hundredth of its price. This article explains when the contract is formed in an online shop, when rescission under Section 119 BGB holds, what the customer must be compensated for and how checks in the price import catch such errors before Black Week.

16 min read

Offering parcel shops and pickup lockers in checkout

Parcel shops and parcel lockers as a delivery address are quick to promise and rarely built cleanly. This article covers location search, clean address data, handover to the shipping integration and ERP, accessibility and the edge cases to settle before launch.

15 min read

JTL-Wawi 2.x: check your shop integration before upgrading

The vendor currently supports JTL-Wawi 2.1, 2.0 and 1.11 and gives no deadline (JTL-Guide). Anyone who upgrades has to go via 2.0.x. This guide shows how to check connector releases, shop and PHP version, SQL Server, Ameise templates and shipping in a test system before each stage.

16 min read

Dynamics NAV 2017: End of Support 2027 and the Shop Integration

Extended support for Dynamics NAV 2017 ends on 11 January 2027 (Microsoft Lifecycle). This guide shows which paths lead to Business Central, why the old SOAP and OData pages do not carry over as a shop interface, and how to move to API v2.0, OAuth and webhooks while both systems run in parallel.

16 min read

Black Week in Merchant Center: plan sale prices properly

Black Friday falls on 27 November in 2026. Anyone who wants to show reduced prices in Google Shopping has to plan clock times: without a time zone, Merchant Center reads the sale price effective date in UTC (Google Merchant Center Help). This guide shows how sale price, effective date and promotions come from the shop at exactly the right time.

16 min read

AI Order Entry: Orders from Email and PDF into the ERP

In 2024, e-commerce, meaning orders via website, app, marketplace or EDI, accounted for only 25.52 percent of the revenue of German wholesalers with at least ten employees (Eurostat). This guide shows how AI reads orders from email, PDF and scans, matches them against customer and item master data, checks them with fixed rules and creates them in the ERP as orders awaiting approval.

15 min read

Stocktaking in a live shop: counting inventory at year end

German commercial law allows four stocktaking procedures, and each one asks something different of the shop. What the stock snapshot, the blocking logic and the write-back have to deliver so the count matches the balance sheet date.

16 min read

BMEcat and ETIM: Product Catalogs for B2B Buyers

A valid catalog file is not yet a maintained assortment. What BMEcat governs, what ETIM describes and which checks belong before the first write run.