> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.stylishcostcalculator.com/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# Email Validator: The ultimate guide

# ${color}[#314AF3](Introduction)
---
Prevent wrong email addresses with a **real-time email** validation checker. It’ll warn the user if it’s properly formatted and verify that the mailbox exists and can receive mail.

![](https://s3.amazonaws.com/cdn.freshdesk.com/data/helpdesk/attachments/production/48284902777/original/Fw_Bydn1lOD0u72l1zG7Fvm72Erq5AUxxQ.png)

# ${color}[#314AF3](Benefits, Features & Use Cases)
---
* Reduce Wrong Emails - Real-time checking for spelling mistakes and typos
* Fast - checks the domain of the email very quickly

# ${color}[#314AF3](Watch It In Action)
---
![](https://s3.amazonaws.com/cdn.freshdesk.com/data/helpdesk/attachments/production/48272529006/original/Wm3Q0tDbJ69HGJ7EiC0HK8Ac7THCC-aCcQ.gif)

# ${color}[#314AF3](How to Activate & Use This Feature)

### Settings & Options
---
### Step 1

Sign up for 1,000 free validations via this API.
[https://rapidapi.com/auth/sign-up?referral=/Top-Rated/api/e-mail-check-invalid-or-disposable-domain/](https://rapidapi.com/auth/sign-up?referral=/Top-Rated/api/e-mail-check-invalid-or-disposable-domain/)

### Step 2

Copy the API Code from RAPIDApi
[https://rapidapi.com/Top-Rated/api/e-mail-check-invalid-or-disposable-domain](https://rapidapi.com/Top-Rated/api/e-mail-check-invalid-or-disposable-domain)


![](https://storage.crisp.chat/users/helpdesk/website/c5f0153cc3f4b000/image_1rpx5tv.png)

### Step 4

Paste your API key into this field. *This field may be at the bottom of your form.


![](https://storage.crisp.chat/users/helpdesk/website/c5f0153cc3f4b000/image_2v6n6l.png)

### Step 5
Paste API code.


![](https://storage.crisp.chat/users/helpdesk/website/c5f0153cc3f4b000/image_1l9pz2d.png)

### Step 6
Press save.


![](https://storage.crisp.chat/users/helpdesk/website/c5f0153cc3f4b000/image_1gaf7nf.png)

---

# ${color}[#314AF3](Additional Information)

#### All Elements & Features
  
Learn more about [All Elements](/en/category/elements-hnffz2/) 
Learn more about [All Features](/en/category/features-22x2mc/)  
 
#### Need Support? 
  
Ask a [question or request support](https://stylishcostcalculator.com/support/)  
Request [a feature or give feedback](https://stylishcostcalculator.com/how-can-we-be-better/)

[![](https://s3.amazonaws.com/cdn.freshdesk.com/data/helpdesk/attachments/production/48258508157/original/Txm2CafyMfEybziVGXvw-BnfU2V-9TJUBg.png?1666381303)](https://stylishcostcalculator.com/features/)


[![](https://s3.amazonaws.com/cdn.freshdesk.com/data/helpdesk/attachments/production/48258508158/original/DWBiVRBRBPATUwVN7APXzDACQgYCwYmXVQ.png?1666381303)](https://stylishcostcalculator.com/templates/)