Email Verification API

REST API to verify any email address for deliverability and get owner details like name and gender. Detects disposable emails, free providers, and invalid addresses in real time.

Features

• Verify email deliverability with syntax, MX record, and SMTP checks
• Detect disposable/temporary email addresses (Guerrilla Mail, Mailinator, etc.)
• Identify free email providers (Gmail, Yahoo, Outlook)
• Get owner details — first name, last name, and gender
• 5,000 requests/month on free tier
• Example Response:

{
  "is_valid": true,
  "status": "valid",
  "is_free_email": false,
  "first_name": null,
  "last_name": null,
  "gender": null
}

Get API Key

Create an account at omkar.cloud to get your API key, and use it in requests. 5000 requests are free every month.

Quick Start

curl -X GET "https://email-verification-api.omkar.cloud/verify?email=happy.to.help%40omkar.cloud" \
  -H "API-Key: YOUR_API_KEY"

{
  "is_valid": true,
  "status": "valid",
  "is_free_email": false,
  "first_name": null,
  "last_name": null,
  "gender": null
}

Installation

Python

pip install requests

import requests

response = requests.get(
    "https://email-verification-api.omkar.cloud/verify",
    params={"email": "happy.to.help@omkar.cloud"},
    headers={"API-Key": "YOUR_API_KEY"}
)

result = response.json()
print(f"Valid: {result['is_valid']}, Status: {result['status']}")

Node.js

npm install axios

import axios from "axios";

const response = await axios.get("https://email-verification-api.omkar.cloud/verify", {
    params: { email: "happy.to.help@omkar.cloud" },
    headers: { "API-Key": "YOUR_API_KEY" }
});

console.log(`Valid: ${response.data.is_valid}, Status: ${response.data.status}`);

API Reference

Endpoint

GET https://email-verification-api.omkar.cloud/verify

Headers

Header	Required	Description
API-Key	Yes	API key from omkar.cloud/api-key

Parameters

Parameter	Required	Description
email	Yes	Email address to verify (e.g., happy.to.help@omkar.cloud)

Response Fields

Field	Type	Description
is_valid	boolean	Whether the email address is deliverable
status	string	Verification status ("valid", "invalid")
is_free_email	boolean	Whether the email is from a free provider like Gmail, Yahoo, or Outlook
first_name	string | null	Owner's first name (when available)
last_name	string | null	Owner's last name (when available)
gender	string | null	Owner's gender (when available)

Examples

Verify a business email

response = requests.get(
    "https://email-verification-api.omkar.cloud/verify",
    params={"email": "info@company.com"},
    headers={"API-Key": "YOUR_API_KEY"}
)

result = response.json()
if result["is_valid"]:
    print("Email is deliverable")
else:
    print("Email is invalid — skip sending")

Block disposable emails on signup

response = requests.get(
    "https://email-verification-api.omkar.cloud/verify",
    params={"email": user_email},
    headers={"API-Key": "YOUR_API_KEY"}
)

result = response.json()
if not result["is_valid"]:
    print("Blocked: disposable or invalid email")

Enrich CRM contacts with owner details

response = requests.get(
    "https://email-verification-api.omkar.cloud/verify",
    params={"email": "john@example.com"},
    headers={"API-Key": "YOUR_API_KEY"}
)

result = response.json()
if result["first_name"]:
    print(f"Contact: {result['first_name']} {result['last_name']}")

Error Handling

response = requests.get(
    "https://email-verification-api.omkar.cloud/verify",
    params={"email": "test@example.com"},
    headers={"API-Key": "YOUR_API_KEY"}
)

if response.status_code == 200:
    data = response.json()
elif response.status_code == 401:
    # Invalid API key
    pass
elif response.status_code == 429:
    # Rate limit exceeded
    pass

Rate Limits

Plan	Price	Requests/Month
Free	$0	5,000
Starter	$25	100,000
Grow	$75	1,000,000
Scale	$150	10,000,000

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