Trex Pi
Five years of PSD2 connectors: what the spec doesn't tell you
Every bank implements the same standard differently. Here is what actually breaks when you connect to your fifth, tenth and twentieth bank API.
Field notes from the integration trenches
Practical writing on ERPs, banking APIs, legacy systems and the pipelines between them - by the people who build and run them.
Why your webshop oversells: ERP stock sync done right
Overselling is not a webshop bug - it is an integration design decision. The fix is choosing the right consistency model for each product class.
Exactly-once is a lie: designing integrations for duplicates
Networks retry, queues redeliver, and users double-click. The only reliable integration is one where processing the same message twice changes nothing.
Automating bank reconciliation: from four days to forty minutes
A finance team was losing a week every month matching statements to invoices. The automation that fixed it was 90% data mapping and 10% code.