Paulund
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I’m Paul. I build focused tools that do one job, and do it well.

bullionapi.dev/data
The Bullion API data page
Satzo
The Satzo homepage
bullionapi.dev
The Bullion API homepage

A dot under an icon means the product is live. One is in beta and the other three are still being built.

29 October 2026Bullion API

See how much US debt foreign investors, the Federal Reserve and everyone else hold.

Adding who holds US federal debt to the Bullion API

I added a split of US debt into foreign investors, the Federal Reserve and everyone else, and chose how to handle figures that arrive in different quarters.

Notebook

165 notes, mostly about AI, Laravel and React.

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Sending a prompt to a Claude Code cloud session from my terminalLong Claude Code sessions pay for their whole history on every callWhat happens to developers who don't adapt to AIuseState, useReducer and the mental model of state in React