Notes from the connectivity layer.
Engineering deep-dives, treasury operations, and what's shipping in the console.
The Great API Reset: How PSD3 is Forcing Banks to Think Like Tech Companies
PSD3's 2027 enforcement isn't a compliance checkbox — it's forcing banks to rearchitect for real-time API performance, consent dashboards, and life after screen-scraping.
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API keys tell you who called. They don't tell you who's allowed to touch a bank account, for how long, or who said so. Here's how we made consent a first-class object — and why your auditors will thank you.
Why every payment factory in Lynqx has a version number, a publish gate, and a rollback path.
A treasury operator's first ninety minutes, timed — before and after a unified layer.
Forty banks, forty dialects of the same "standard." How the parser survives all of them.
Simulated banks that fail payments, delay statements, and reject formats — on purpose.
Finance and engineering should look at the same request log. Here's what changed when they did.