How does the email breach check API help prevent fraud?

Emails found in breaches combined with disposable-domain detection let you block fake signups, bonus abuse and account takeover attempts at registration time.

Can I use the email verification API for signup validation?

Yes. It is built for real-time signup flows — validate deliverability, domain reputation and breach exposure in ~1.5 seconds before creating an account or sending OTPs.

EmailOperational

Email Info API

Retrieve email intelligence including domain information, breach history, provider details, MX records and validation status.

~1.6s
Avg Response: 100%
Uptime: 99.8
Reliability Score

Try It Live

Live API PlaygroundSandbox

GET https://api.cstudio.sbs/v1/email/info?email=example@gmail.com

Sandbox mode returns sample data. Get a free API key for live responses.

Key Features

Domain info
Breach history
Provider detection
MX & SSL details

Endpoint

GET https://api.cstudio.sbs/v1/email/info

Code Examples

cURL example

-string">"token-command">curl -X GET -string">"https://api.cstudio.sbs/v1/email/info?email=example@gmail.com" \
  -H -string">"X-API-Key: YOUR_API_KEY" \
  -H -string">"Content-Type: application/json"

Sample Response

Sample Response JSON

{
  "Email": "example@gmail.com",
  "Domain": "gmail.com",
  "Provider": "Google Gmail",
  "Disposable": "No",
  "Domain IP": "172.253.62.83",
  "ISP": "Google LLC",
  "Registrar": "MarkMonitor, Inc.",
  "Creation Date": "1995-08-13 04:00:00+00:00",
  "Expiration Date": "2027-08-12 04:00:00+00:00",
  "SSL Issuer": "Google Trust Services",
  "Server Location": "Mountain View, United States",
  "MX Records": [
    "gmail-smtp-in.l.google.com",
    "alt1.gmail-smtp-in.l.google.com",
    "alt2.gmail-smtp-in.l.google.com",
    "alt3.gmail-smtp-in.l.google.com",
    "alt4.gmail-smtp-in.l.google.com"
  ],
  "Breaches Found": [
    "Paytm",
    "Zomato",
    "BigBasket",
    "Dunzo",
    "Hathway",
    "Gaadi",
    "Ixigo",
    "LinkedIn",
    "Canva",
    "Adobe",
    "Dropbox",
    "Instagram",
    "Twitter-Scraped",
    "Zynga",
    "MyFitnessPal",
    "Wattpad"
  ]
}

Email Info Pricing

Start with the free Basic plan — upgrade as you scale. To get an API key, message us on WhatsApp.

Basic

$0.00/mo

Requests: 5 / MonthHard Limit
Rate Limit: 1000 requests / hour

Start Free

Pro

$4.99/mo

Requests: 1,000 / Month
Rate Limit: Uncapped

Choose This Plan

Recommended

Ultra

$19.99/mo

Requests: 10,000 / Month
Rate Limit: Uncapped

Choose This Plan

Mega

$69.99/mo

Requests: 100,000 / Month
Rate Limit: Uncapped

Choose This Plan

Frequently Asked Questions

It validates the email, detects disposable providers, resolves MX records, domain age, registrar and SSL issuer, identifies the mailbox provider and checks 250+ known data breach sources for exposure.

How to Integrate Email Info API

1
Get your free API key from cStudios.
2
Send a GET request to /v1/email/info?email=target@example.com.
3
Include your API key in the X-API-Key header.
4
Receive detailed email intelligence: domain MX records, disposable email detection, data breach history, and mail provider classification in <1s.
5
Block fraudulent signups, burner email addresses, and compromised credentials in real-time.

Email Info API Use Cases

SaaS & App User Onboarding

Detect and block temporary/disposable email domains (10-minute mail, GuerrillaMail) to prevent fake trial signups and spam accounts.

Fintech & Fraud Prevention

Check if an email address has appeared in known data breaches or credential leaks to score account takeover risk.

E-Commerce & Marketing Operations

Validate email deliverability (MX records, SMTP handshake) to lower bounce rates and protect sender reputation.

About Email Info API

The Email Info API by cStudios is an email intelligence and fraud detection engine. It performs instant MX lookup, disposable email address detection, data breach search, and provider classification to protect digital platforms from bot registrations, promo abuse, and fraudulent signups.