IsDisposable
Open-source disposable email detection (160K+ domains)
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HN · launched Mar 30, 2026 · 5 upvotes (top 89%) · 2 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 It is a straightforward lookup API or static library checking domain names against an aggregated blocklist of disposable email services.
Discussion
3 comments analyzed.
Competitors mentioned: Guerrilla Mail, 10MinuteMail
Concerns raised: Disposable email detection may not be reliable long-term as services rotate domains, High compute and AI credit costs (~$0.50 per signup)
Competitors
Other products that read as similar to this one : 1287 launches clear the similarity bar, closest 8 shown.
Attention rank: #1179 of 1288 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 146 days after the earliest competitor.
- Throwaway · hn · 2026-04-30 · 14 upvotes · similarity 0.64
- mailcraft · github · 2026-10-12 · 16 upvotes · similarity 0.56
- mailcraft · github · 2026-10-11 · 33 upvotes · similarity 0.55
- Hello Inbox · hn · 2026-06-04 · 5 upvotes · similarity 0.55
- Disposable Email Detector · ph · 2026-10-03 · 1 upvotes · similarity 0.55
- hush · github · 2026-10-07 · 132 upvotes · similarity 0.55
- oslokrok · github · 2026-09-28 · 8 upvotes · similarity 0.54
- pecl-mail-imap · github · 2026-10-09 · 100 upvotes · similarity 0.53
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.