Simon Willison’s Weblog

PostBin. Handy debugging tool for webhooks—create a TinyURL-style URL, then see a log of any POST requests made to that address.

Posted 21st September 2009 at 11:03 pm

Recent articles

First impressions of Claude Cowork, Anthropic's general agent - 12th January 2026
My answers to the questions I posed about porting open source code with LLMs - 11th January 2026
Fly's new Sprites.dev addresses both developer sandboxes and API sandboxes at the same time - 9th January 2026

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