Simon Willison’s Weblog

twauth: simple mobile openid using twitter (via) Brilliant proof of concept by Ian McKellar: an OpenID provider that authenticates you by sending you a Twitter direct message.

Posted 14th January 2008 at 10:28 pm

Recent articles

Useful patterns for building HTML tools - 10th December 2025
Under the hood of Canada Spends with Brendan Samek - 9th December 2025
Highlights from my appearance on the Data Renegades podcast with CL Kao and Dori Wilson - 26th November 2025

ian-mckellar 1 openid 213 twitter 160

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe