WhatsApp Number Checker — Check WhatsApp Numbers Free
Check if any phone number is registered on WhatsApp — including business accounts. Real-time whatsapp number lookup across 180+ countries. Free credits, no credit card required.
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Why Use ProWebLook's WhatsApp Number Checker?
Real-Time Verification
Our advanced system checks phone numbers in real-time, ensuring the most up-to-date WhatsApp presence information.
User-Friendly Interface
Input a phone number, hit 'Check,' and get instant results. Our intuitive interface makes the process seamless.
Secure & Private
We prioritize user privacy. All checks are conducted securely, and user data is treated with utmost confidentiality.
Comprehensive Insights
Receive detailed information about WhatsApp status including business account detection.
99.7% Accuracy
Trust in the accuracy of our results, backed by a robust backend system and global database.
180+ Countries
Whether you're a business or individual, validate numbers from virtually any country worldwide.
How the WhatsApp Number Checker Works
Enter Number
Type the phone number with country code you want to check.
Click Verify
Hit the verify button and our API checks instantly.
Get Result
Receive instant results about WhatsApp presence and status.
Flexible & Competitive Plans
Start free — scale as you grow. No hidden fees.
Pay as you go
- 500 number check credit
- API for WHATSAPP Check
- Limited Support
- HTTPS Encryption
FREE
- 10 Credit FREE FIRST MONTH
- API for WHATSAPP Check
- Limited Support
- HTTPS Encryption
Agency WA API
- 10000 number check credit
- Topup
- No subscription
- API for WHATSAPP Check
- HTTPS Encryption
WhatsApp Number Checker — FAQ
GET /api/v1/checkwanumber) returns real-time registration status and WhatsApp Business account detection for any phone number in E.164 format. Ideal for CRM data cleaning, lead validation, and marketing automation workflows.WhatsApp Number Checker API
Integrate real-time WhatsApp number validation directly into your application via REST API.
API Quick Reference
| Endpoint | GET /api/v1/checkwanumber |
|---|---|
| Auth | API Key via query string — ?api_key=YOUR_KEY |
| Parameter | mobile — Phone number in E.164 format (e.g., +14155552671) |
| Response | JSON — numberstatus (bool), businessnumber (bool), status |
| Latency | Real-time — average <2 seconds |
| Coverage | 180+ countries |
| Accuracy | 99.7% |
About WhatsApp Number Validator API
This is WhatsApp's unofficial API to check whether a number is on WhatsApp or not. You can use any number with country code to get instant results.
For API access or bulk WhatsApp validation, please sign up here to get started with free credits.
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Get FREE Credits to Start Today
Discover an extensive array of API calls across all ProWebLook APIs. No credit card required — start building in minutes.