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MailGuard API

Block disposable emails & fake signups in <100ms

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Block fake accounts and protect free tiers. High-speed edge API with 30,000+ burner domain blocklist and real-time DNS MX lookup. Features sub-100ms latency, clear deliverability scores, and 100 free daily requests.

PH · launched Nov 14, 2026 · 1 upvote (top 65%) · 0 views

Niche: email verification tools · 57 launches, 7 in the last 7 days ▼ -13% · Explore this niche →

Category and tags
  • Horizontal
  • Dev tools
  • Developer
  • Not AI
  • Commercial product
  • API
  • Open Source
  • Developer Tools
  • GitHub

Visit website ↗ Source listing ↗

More like this: all 57 launches in email verification tools →

Could you build this?

Yes It is an edge API that checks emails against a disposable-domain blocklist and performs DNS MX lookups. Public disposable-domain lists exist, and the lookup logic is standard.

Competitors

Other products that read as similar to this one : 319 launches clear the similarity bar, closest 8 shown.

Attention rank: #129 of 320 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).

Launched 352 days after the earliest competitor.

  • SignGuard · ph · 2026-09-12 · 2 upvotes · similarity 0.65
  • Leadcop · ph · 2026-09-10 · 1 upvotes · similarity 0.58
  • skink · ph · 2026-10-29 · 3 upvotes · similarity 0.54
  • Disposable Email Detector · ph · 2026-10-03 · 1 upvotes · similarity 0.51
  • Mailbite · ph · 2026-11-09 · 1 upvotes · similarity 0.51
  • PricklyMails · ph · 2026-11-04 · 1 upvotes · similarity 0.47
  • receivemail.dev · ph · 2026-11-06 · 1 upvotes · similarity 0.47
  • SMTP Tunnel · hn · 2026-01-07 · 140 upvotes · similarity 0.47

Related data

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.