Email validation,
made simple
One API call. Real SMTP checks, typo correction, disposable detection. Clean JSON in ~200ms — drop it in anywhere.
Everything in one API call
Syntax, MX records, SMTP mailbox check, typo correction, disposable detection, deliverability score — all returned in a single JSON response.
One API call
POST an email, get a verdict. Plain REST, plain JSON — no SDK required to get started.
curl · fetch() · axios
Real SMTP verification
Not just regex — we open an SMTP conversation with the mail server to confirm the mailbox exists.
MX · SMTP · provider APIs
Typo correction
Catch ` gmial.com `, ` yhaoo.com `, ` outloook.com ` and 200+ other typos with a “did you mean” suggestion.
did_you_mean
Disposable detection
Block 100k+ throwaway domains, updated daily. Stop free-trial abuse before account creation.
Updated daily
Edge-deployed
Multi-provider edge compute. Fast anywhere in the world, resilient under load.
~200ms p50
SDKs for every stack
Drop-in libraries with TypeScript types, retries, and clear error handling baked in.
Node · PHP · Python · Go · Rust
What email validation prevents
Every invalid email that slips through has a cost — bounces, fraud, wasted spend, broken compliance. Catch it at the entry point.
Stop fake signups
Filter disposable and obviously-fake addresses before they enter your database. Cleaner funnels, real users only.
Cut bounce rates
Send only to mailboxes that actually exist. Lower bounces protect your sender reputation across Gmail, Outlook, and Yahoo.
Catch typos at sign-up
Surface “did you mean gmail.com?” before the form submits. No more lost users because of one wrong character.
Save on send costs
Most ESPs charge per send. Filter dead addresses first and stop paying to bounce.
Meet anti-spam laws
GDPR, CAN-SPAM, CASL, PSD2 SCA — all expect accurate records of who consented. Validate at capture to demonstrate due diligence.
Block bots & abuse
Email validation is the cheapest first line of defence against script signups. Stop the bots at the door, not after they’ve poisoned your data.
VerifyKit gives you the tools to demonstrate due diligence — actual compliance with each law is your responsibility.
Test the real API
Try presets, toggle options, see actual responses from our infrastructure — no signup required.
Email OTP 2FA
in two API calls
Add two-factor authentication to your app. Send codes via email, verify them with a second call. No SMS costs, no Twilio, no complexity.
- SHA-256 hashed, single-use codes
- 10-minute auto-expiry, max 5 attempts
- Delivery via email — no SMS costs
Verify your email
Sent to j***@stripe.com
Didn't get it? Resend code
Simple pricing
Cancel anytime. 14-day money-back if it's not for you.
Starter
- 5,000 validations / month
- real SMTP verification
- single API key
- validation history
Growth
- 15,000 validations / month
- bulk validation
- real SMTP verification
- email OTP 2FA (25k/mo)
Pro
- 50,000 validations / month
- unlimited API keys
- duplicate removal
- webhooks & callbacks
Unlimited
- unlimited validations
- all Pro features
- dedicated support
- fair use up to 5M/mo
Ready to validate
Get your API key and start validating emails in under a minute.