Email validation API
Stop sending to dead inboxes.
Validate any email in milliseconds — MX, SPF, DKIM, DMARC, disposable and role detection. One lifetime key, unlimited DNS-tier checks, no per-credit pricing.
Try it live — no signup
- DNS-layer signals
- Uptime SLA target
- Typical response
Everything in one verification call
MX + SMTP-layer signals
Resolve mail servers and rank by priority to confirm a domain can actually receive mail.
SPF · DKIM · DMARC
Parse the full authentication stack so you know a domain is configured to send legitimately.
Disposable detection
Block throwaway domains before they pollute your list.
Role-account flags
Spot info@, support@ and other non-human inboxes.
Bulk + single API
Verify one address or 100 in a single call. Instant key, REST, JSON.
Why teams switch to EmailGuard
| Feature | Typical credit API | EmailGuard |
|---|---|---|
| Pricing model | Per-credit, expires | Lifetime key, no credits |
| MX / SPF / DMARC | Partial / paid tier | All included |
| Disposable + role | Add-on | Built in |
| Bulk endpoint | Higher tier only | From Pro |
| Instant API key | Manual approval | Redeem → key in seconds |
Verify your first email in 60 seconds
Redeem your coupon and get a lifetime API key — no recurring billing.