Resources

Insights

Engineering notes on payment infrastructure, platform architecture, and regulatory technology — written by the team building it.

The Architecture Decisions Banks Regret Two Years Later

The shortcuts that feel fine at launch and expensive at scale — and how to tell the difference before you ship.

10 min read

Recent notes from engineers, architects, and product leads at Unlock.

Why idempotency keys aren't optional once you're moving real money at scale.

6 min read

A field guide to legacy migration, without the vendor slide deck.

8 min read

The reporting requirements that catch most fintech teams off guard.

5 min read

A member of the Unlock team will get back to you.