hasAccount. Stuart proposes a light-weight API for letting any site know if a user has an account (and is signed in) on another service. I wouldn’t want to deploy this without being confident that my CSRF protection was in order.
Recent articles
- Your job is to deliver code you have proven to work - 18th December 2025
- Gemini 3 Flash - 17th December 2025
- I ported JustHTML from Python to JavaScript with Codex CLI and GPT-5.2 in 4.5 hours - 15th December 2025