User verification

The simplest way to
verify your users

Email validation and OTP, one API. Stop fake signups before they reach your database.

14-day money-back. No questions asked.

Teams use verifykit to

Block disposable emails
Catch signup typos
Send email 2FA codes
Stop bot signups
Clean marketing lists
Verify before send

Catch fake
emails and typos

Real SMTP verification, typo correction, and disposable detection in one API call. Stop fake signups at the door.

Try it freetrusted by +1000 users worldwide

Built
for speed

Edge-deployed. Verifies an email faster than most pages load.

~200ms

p50 response, globally

US-East178ms
Europe193ms
Asia-Pacific224ms
SDKs

Drop-in libraries

Native support for the stacks you ship in.

Node.js
TypeScript
PHP
Go
Python
Rust

Email OTP

Six digits, ten minutes. No SMS, no Twilio.

·
·
·
·
·
·
REST + JSON

One endpoint, any language

curl -X POST api.verifykit.io/v1/verify
-H "Authorization: ..."
-d '{"email":"..."}'
{ "valid": true, "score": 0.97 }
Pricing
From$0.001
per validation

On Pro · cancel anytime

A tool for compliance

Use our 2FA to help meet rules that require strong auth.

GDPRPSD2 SCAAPPNIST 800-63
Global edge network

Verifications close to every user

Edge-deployed across 200+ cities. Users get answers fast, your infra survives spikes, and abusive traffic is dropped at the perimeter — before it ever hits your stack.

200+
Edge cities
<200ms
p50 latency
99.99%
Uptime SLO
DDoS
Mitigated
New York
São Paulo
Bucharest
Singapore
Tokyo
Sydney

Simple pricing

Cancel anytime. 14-day money-back if it's not for you.

20% off · first 3 months

Starter

$7.20/ mo
$920% off
$0.0018 / validation
  • 5,000 validations / month
  • single API key
  • real SMTP verification
  • validation history
Get Starter
20% off · first 3 months

Growth

$15.20/ mo
$1920% off
$0.0013 / validation
  • 15,000 validations / month
  • single API key
  • real SMTP verification
  • validation history
  • bulk validation
  • email OTP 2FA (25k/mo)
Get Growth
20% off · first 3 months

Pro

$39.20/ mo
$4920% off
$0.001 / validation
  • 50,000 validations / month
  • unlimited API keys
  • duplicate removal
  • webhooks & callbacks
  • email OTP 2FA (50k/mo)
Start with Pro
20% off · first 3 months

Unlimited

$199.20/ mo
$24920% off
$0.0001 / validation
  • unlimited validations
  • all Pro features
  • dedicated support
  • fair use up to 5M/mo
  • email OTP 2FA (100k/mo)
Get Unlimited

Start verifying users today

Get your API key in under a minute.