BillionVerify
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BillionVerify

Verify emails in real-time with 99.9% accuracy. Stop bounces, protect your sender reputation, and reach real people. Trusted by 10,000+ businesses worldwide.

© Copyright 2025 BillionVerify. All Rights Reserved.

Product
  • Features
  • Email Verification
  • Bulk Email Verification
  • Email Validation API
  • Pricing
Solutions
  • Email List Cleaning
  • Free Email Checker
  • Disposable Email Detection
  • Catch-All Verifier
  • Role Account Detection
Resources
  • Documentation
  • BillionVerify Blog
  • BillionVerify FAQs
Company
  • About BillionVerify
  • Privacy Policy
  • Terms of Service
Developer-Friendly API

Lightning Fast APIMillisecond Response

Seamlessly integrate email verification into your applications. Supports real-time verification, batch processing, webhook notifications, and provides multi-language SDKs for simple and efficient development.

Get API KeyView API Documentation

Powerful API Features

⚡

Real-time Verification

Millisecond response, perfect for registration forms and real-time scenarios

📦

Batch Processing

Verify multiple emails in a single request for improved efficiency

🔔

Webhook Notifications

Automatic result push after asynchronous verification

🔄

Smart Retry

Automatic retry mechanism ensures verification success rate

💾

Result Caching

Intelligent caching of verified results saves API calls

🔒

Secure Authentication

OAuth 2.0 authentication with encrypted API key transmission

Simple and Easy-to-Use API

Request Example

POST https://api.billionverify.com/v1/verify
Content-Type: application/json
Authorization: Bearer YOUR_API_KEY

{
  "email": "user@example.com",
  "timeout": 5000
}

Response Example

{
  "email": "user@example.com",
  "status": "valid",
  "reason": "accepted",
  "score": 98,
  "disposable": false,
  "role": false,
  "free": false,
  "smtp_check": true,
  "mx_records": true,
  "suggestion": null
}

Multiple Integration Options

🔌

Direct API Calls

Call directly using HTTP client

  • • RESTful Interface
  • • JSON Format
  • • Detailed Documentation
🛠️

Official SDKs

Multi-language SDK support

  • • Type Safety
  • • Auto Retry
  • • Error Handling
🧩

Platform Plugins

Integration plugins for major platforms

  • • One-click Install
  • • Visual Configuration
  • • No Coding Required

Outstanding Performance

<50ms
Average Latency
99.99%
Service Uptime
10K/sec
Throughput
99.9%
Accuracy Rate

API Documentation

API Endpoints

POST
/v1/verify

Single email verification

POST
/v1/batch

Batch email verification

GET
/v1/batch/{id}

Check batch verification status

GET
/v1/credits

Check remaining credits

Response Fields

statusstring

Email validation status (valid, invalid, unknown)

reasonstring

Detailed reason for the validation result

scoreinteger

Email quality score (0-100)

disposableboolean

Whether the email is from a disposable service

suggestionstring

Suggested correction if typo detected

Official SDK Support

🟢

Node.js

Install: npm install @billionverify/node

npm install @billionverify/node
View Docs →
🐍

Python

Install: pip install billionverify

pip install billionverify
View Docs →
🐘

PHP

Install: composer require billionverify/php

composer require billionverify/php
View Docs →
🐹

Go

Install: go get github.com/billionverify/go

go get github.com/billionverify/go
View Docs →
💎

Ruby

Install: gem install billionverify

gem install billionverify
View Docs →
☕

Java

Install: implementation 'com.billionverify:java:1.0'

implementation 'com.billionverify:java:1.0'
View Docs →

API Use Cases

👤

User Registration Verification

Real-time email verification during user signup to prevent invalid registrations

POST /v1/verify
📝

Form Submission Verification

Verify emails from contact and subscription forms

POST /v1/verify
📊

CRM Data Maintenance

Regularly verify email data quality in CRM

POST /v1/batch
📧

Email List Cleaning

Batch verify email lists to improve marketing effectiveness

POST /v1/batch

Flexible API Pricing

Pay as you go, no minimum commitment

Free

$0
Up to 300+ calls/month
  • ✓10 free credits daily on login
  • ✓Basic email validation
  • ✓Standard support
Most Popular

Pay as You Go

$0.005 per verification
No fixed monthly fee, scale with your needs
  • ✓Full API access
  • ✓Batch processing API
  • ✓Real-time verification
  • ✓Priority support
  • ✓99.9% uptime SLA

Enterprise

Custom
Unlimited verifications with volume discounts
  • ✓Dedicated infrastructure
  • ✓Custom pricing
  • ✓24/7 phone support
  • ✓Custom SLA
  • ✓Custom integration
Contact: enterprise@billionverify.com

Start Using Email Validation API

5-minute integration, immediately improve your application data quality

Get Free API KeyQuick Start Guide