# Tanstaafl

Startup, Worldwide.

> Pay-to-inbox email on Bitcoin Lightning
>
> — in its own words, from tanstaafl.email

- Website: https://tanstaafl.email
- Listed since: 2026
- launched: 2026-03-07
- launch post: https://news.ycombinator.com/item?id=47286300
- hn score: 28
- Last verified: 2026-03-07


## Sources

- Hacker News, "Show HN" — https://news.ycombinator.com/item?id=47286300, read 2026-03-07

---
startup.is · https://startup.is/registry/tanstaafl · open data: /api/v1, /llms.txt