Guides
Guides to questions I keep running into when connecting systems for Swiss shops and SMEs. With examples from the official documentation and the pitfalls that only show up in production.
Validate a Swiss UID number in WooCommerce
Format CHE-123.456.789, modulo 11 check digit, lookup in the federal UID register and what goes wrong in the checkout.
Connect the bexio API to WordPress
App in the Developer Portal, sign-in via OAuth 2, refreshing tokens, creating contacts and notes, plus three approaches compared.
Zefix API: company data from the commercial register
Requesting access, finding a company by UID or name, fields in the response and how it differs from the UID register.