Compare

PureSignup vs Resend

Provides a full email sending API rather than just validation.

Which to pick

Pick PureSignup if you want…

  • Disposable email detection API
  • The lower starting price: $19/month against $20/month
  • Integrations with curl or SDKs (on PureSignup's list, not Resend's)

Pick Resend if you want…

  • Simple email API with built-in analytics
  • Email delivery API
  • Integrations with Node.js, Ruby or Python (on Resend's list, not PureSignup's)

Side by side

What it is
PureSignup:PureSignup is an email verification API that blocks disposable and temporary email addresses.
Resend:Resend provides a developer-focused email API for sending transactional and marketing emails at scale.
Best for
PureSignup:Disposable email detection API
Resend:Simple email API with built-in analytics
Who it’s for
PureSignup:Developers and product teams needing to protect sign-ups from fake or disposable emails.
Resend:Developers building apps that need reliable email sending.
Pricing
PureSignup:Freemium
Resend:Freemium
Plans
PureSignup:Pro $19 per month per month · Max $49 per month per month · Lifetime $399
Resend:Free $0 · Pro $20 per month · Scale $90 per month
Works with
PureSignup:curl, SDKs
Resend:Node.js, Ruby, Python, PHP, Go, Rust, Java, .NET

PureSignup features

  • Massive domain database. Covers 160,000+ verified disposable email domains for comprehensive protection.
  • Real-time updates. Automatically adds new disposable domains daily without manual effort.
  • Sub-80 ms response. Indexed lookups deliver verification results in under 80 ms.
  • 5-minute integration. Single API call with Bearer token, curl examples and SDKs for any tech stack.
  • High accuracy. Aggregates multiple industry sources to minimize false positives.
  • Webhook notifications. Push verification results to your own endpoints in real time.

Resend features

  • SDKs & REST API. Official SDKs for Node, Ruby, Python, PHP, Go, Rust, Java, .NET and a REST endpoint.
  • Test mode. Simulate email events without sending real messages.
  • Modular webhooks. Real-time notifications for deliveries, opens, clicks, bounces, etc.
  • React Email editor. Create email templates with React components instead of hand-crafted HTML tables.
  • Contact management. Import lists, view attributes and segment contacts via the dashboard.
  • Analytics & reporting. Track opens, clicks, bounces and view broadcast performance.
  • Domain authentication. DKIM, SPF and DMARC setup plus BIMI support for brand logos.
  • Dedicated IPs (add-on). Managed IP warming and autoscaling for high-volume senders.

PureSignup vs Resend FAQ

Is PureSignup or Resend free?+

PureSignup has a free plan; paid plans start at $19/month (Pro). Resend has a free plan; paid plans start at $20/month (Pro).

Which is cheaper, PureSignup or Resend?+

PureSignup is cheaper to start with: PureSignup's Pro plan ($19/month) against Resend's Pro plan ($20/month).

Do PureSignup and Resend integrate with the same tools?+

Their integration lists don't overlap: PureSignup lists curl and SDKs; Resend lists Node.js, Ruby, Python, PHP and 6 more.

On DevHunt

PureSignup

0 upvotes · Launched on DevHunt on Jan 6, 2026

Based on each tool's website and DevHunt data. Details may change; check the official sites.