WhatsApp Number Checker
This free online WhatsApp checker allows you to verify whether a phone number is linked to an active WhatsApp account. It also enables you to send a message via the messenger without saving the recipient number to your contact list.
The result of checking the phone number for WhatsApp will appear here. There is a restriction: no more than 20 checks per hour.
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How to find out if a number is on WhatsApp
To find out if a phone number is registered on WhatsApp, follow these steps:
Enter the phone number you want to check, including the full international format: country code and area code.For example, if the country code is +44 and the local number is 075 1843 2517, enter it as 447518432517
Click the “Check” button. You’ll instantly receive a notification letting you know if the number is registered on WhatsApp or not
How to send a WhatsApp message without adding the number to contacts
To send a message on WhatsApp without saving the phone number to your contact list:
Check if the number is linked to WhatsApp using the online WhatsApp Checker by Umnico on the top of this page
If the number is on WhatsApp, you’ll be able to instantly open a chat in the messenger app and send a message by clicking the “Send a message” button
Questions & Answers about WhatsApp Checker
Do you have any questions about this WhatsApp Number Checker or how the messenger can be used for customer communication? Here are some of the most common inquiries from our users:- What is a WhatsApp number checker?
- A WhatsApp number checker is a tool that allows you to verify if a specific phone number is on WhatsApp. This helps you understand when the person can receive messages via the popular messenger. Unlike SMS, WhatsApp messages are free to send and receive, WhatsApp requires only an internet connection.
- How does the WhatsApp verification mechanism work?
- You enter a phone number into the form. Umnico uses messenger protocols to send a request that checks if there’s a WhatsApp account associated with that number. Once a response is received from the WhatsApp server, the checker lets you know if the phone number is in the WhatsApp user database.
- Is the number check free?
- Yes, checking whether a phone number is linked to WhatsApp is completely free. To ensure the service runs smoothly and securely, we apply certain limits on the number of checks per minute.
- Is bulk number verification available?
- Umnico does not offer bulk WhatsApp number verification at the moment. However, our chat center app for popular CRM platforms includes a built-in WhatsApp checker. It can automatically detect the presence of both WhatsApp and Telegram, and record this information directly in deal cards within your CRM.
- Is my personal data safe?
- Absolutely. User privacy and data security are top priorities for Umnico. Our service does not store the numbers you check or share any data with third parties. All information is transmitted in encrypted form to ensure full confidentiality.
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