Throwaway
open-source disposable email checker and API
Get picks like this daily. Today's launch numbers, the top launches, AI and tech news, and a daily opportunity pick, straight to your inbox.
Want to reach these readers? Sponsor an issue.
HN · launched Apr 30, 2026 · 14 upvotes (top 31%) · 0 views
Niche: email verification tools · 57 launches, 7 in the last 7 days ▼ -13% · Explore this niche →
Category and tags
- Horizontal
- Data infrastructure
- Developer
- Not AI
- Hobby / open-source project
Visit website ↗ Source listing ↗
More like this: all 57 launches in email verification tools →
Could you build this?
Yes Throwaway is an open-source API and lookup tool checking email domains against a curated list of disposable email providers, easily implemented in any web framework.
Discussion
14 comments analyzed.
Competitors mentioned: disposable/disposable GitHub library, Gmail, ProtonMail
Concerns raised: Blocks legitimate users while hackers easily bypass with new email providers, False positives inconvenience real customers more than false negatives harm the service, Misses active disposable email services that have been online for years, Can't realistically block all disposable emails without blocking major providers, Punishes users seeking privacy/anonymity rather than solving actual security problem
Feature requests: Improve disposable email domain detection sources, Add regression tests for recently discovered disposable services, Support custom/adhoc blocklists in addition to primary list
Competitors
Other products that read as similar to this one : 843 launches clear the similarity bar, closest 8 shown.
Attention rank: #238 of 844 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 181 days after the earliest competitor.
- IsDisposable · hn · 2026-03-30 · 5 upvotes · similarity 0.64
- Disposable Email Detector · ph · 2026-10-03 · 1 upvotes · similarity 0.60
- React Email 6.0 · hn · 2026-04-17 · 10 upvotes · similarity 0.60
- MailCheckr · ph · 2026-11-08 · 2 upvotes · similarity 0.58
- PricklyMails · ph · 2026-11-04 · 1 upvotes · similarity 0.57
- mailcraft · github · 2026-10-12 · 16 upvotes · similarity 0.57
- I built an open-source email builder, alternative to Beefree/Unlayer · hn · 2026-05-06 · 169 upvotes · similarity 0.56
- GitHub · ph · 2026-10-05 · 1 upvotes · similarity 0.55
The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.