An unprotected signup form leaves your business vulnerable to fake or even harmful data entries that jeopardize your security. With a real-time email validationⓘ API, ZeroBounce automatically detects invalid and high-risk data and blocks it from ever entering your email and user database.
Verify Email Addresses on your Web Forms in Real-Time
Name
John Doe
Password
**********
API Results
No other email checker API offers our accuracy and precision. Spot over 30 email types in bulk or real time with a money-back guarantee.
ZeroBounce handles email validationⓘ in real time. As users enter their email addresses on your registration forms, we detect the email type and block or allow it accordingly.
Implementing our email hygiene API gives your company the extra defense it needs against invalid and high-risk emails.
Automatically detect low-quality emails at the point of registration on your website or landing page. Block invalid, disposable emailsⓘ, spam traps, and more. With ZeroBounce, risky emails don’t stand a chance.
When you keep invalid emails off your list, you can be confident that your emails will hit the inbox. The email validationⓘ API not only cleans your existing database but safeguards you against unnecessary email bounces 24/7.
Easy to install and great at keeping your data fresh! Prevent typos, known complainers, fake and poor-quality email addresses from getting on your lists. Plus, get full usage reports and insights into your email hygiene.
Complete software development kit (.NET, PHP, Python, Java, Swift and more)
Integrates into your favorite platforms
Geo-redundant servers for availability
Valid emails
Genuine emails
Aliases
Alternate emails
Accept-all/Catch-all email
Easily spot catch-all emailsⓘ to further validate with AI Scoring
Do not mail
Global suppression
Traps
Toxic
Mx forward
Role-based catch-all
Using our email address checker API is easy. Here’s how to get started:
Pay-as-You-Go Credits
Our minimum purchase size is 2,000 credits
$4500
ZeroBounce’s list of native integrations now includes more than 50 global platforms. Take advantage of our email validationⓘ and Email Finderⓘ API with ease by adding your API key to CRMs and marketing platforms like HubSpot, Salesforce, Shopify, and more!
Check out our integrations
There’s no faster way to zero bounces
Get 100 free monthly credits - business or premium domain required
Get 100 free monthly credits - business or premium domain required
![ZeroBounce customer smiling about her ,[object Object], results](/_next/image?url=%2Fassets_next%2Fcallouts%2Fcallout-4.webp&w=750&q=75)
Our real-time verification API is almost instant. Validate a single email address in just 3 seconds. Clean your entire list in under 1 hour.
Privacy and security are the priority. We use military-grade data encryption and continuously improve our email list cleaningⓘ API validation schema to filter out bad requests.
An API email checking service is mandatory for the modern email marketer. By proactively cleaning your emails, more of your emails reach the inbox. That means more opens, clicks, and eyes on your content.
Batch/Bulk email verification
Single email validation
Custom allowlists and blocklists
Bulk file management
Tracking API usage
Retrieve credit balanceThe batch API endpoint allows you to batch up to 200 emails for cleaning simultaneously, with the ability to run up to 5 uses per minute. Get results in up to 70 seconds for each email address.
Batch endpoint docs![Woman cleaning her list on a laptop with the ,[object Object], API](/_next/image?url=%2Fassets_next%2Femail-validation-api%2Femail-validation-api-1.webp&w=1080&q=75)
The batch API endpoint allows you to batch up to 200 emails for cleaning simultaneously, with the ability to run up to 5 uses per minute. Get results in up to 70 seconds for each email address.
Batch endpoint docsInvalid emails
Typos
Bad syntax
No DNS entries
Unroutable IP
Does not accept mail
Spam traps
Pristine traps
Typo traps
Recycled traps
Toxic domain verifier
Pinpoint domains that are popular for abuse and spam
Disposable emailsⓘ
Detects temporary emails from a wide variety of disposable email providers
Abuse emails
Spot known complainers and remove them to keep spam complaint rate low
At ZeroBounce, we keep pricing simple.
Cleaning emails with the email address checker API costs 1 ZeroBounce credit per email address. Use credits for AI Scoring at the cost of 1 additional credit per email per service.
You can also automatically top off your monthly credit balance and Email Finderⓘ queries with one of our convenient subscription plans.
You can manually or automatically validate email addresses individually or in bulk by installing the ZeroBounce email verifier API.Once you create an account and obtain your API key, you can add our API to your favorite apps, platforms, websites, or landing pages via one of our supported languages. Then, call our API, and our email validator will validate your email addresses.Learn more about how to install the API with our documentation.
