Number Validation API
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Phone Number Validation
Automate Your Database Hygiene
Determine the correct line type, target landline or mobile numbers accurately, maintain compliance, and eliminate the wasted costs of sending messages to dead or invalid numbers.
Validation intelligence before you send
E.164
Clean international format
Type
Mobile, fixed, or VoIP
MCC
Mobile country code
MNC
Mobile network code
Clean Contact Data
Validate & Clean Up Your Contact Numbers Database
A clean phone number database is the foundation of any successful SMS marketing campaign. Ensure the mobile phone numbers you gather are consistently formatted, active, and accurate across all channels.
Maintaining an up-to-date contact list is seamless with our bulk phone number validator. By integrating our number validation API directly into your signup forms or CRM, you can instantly reject fake numbers before they enter your system.
Perform quick checks on gathered landline and mobile numbers to verify line types, detect network operators, and ensure that all your critical business interactions are delivered successfully.
Enterprise Toolkit
Enterprise Validation Features
Sign up for a free trial to test our global phone number validation capabilities.
- ✓ Worldwide number formatting support
- ✓ Check line types (Mobile, Fixed, VoIP)
- ✓ Retrieve network MCC & MNC data
- ✓ Easy integration via secure HTTPS API
- ✓ Comprehensive web portal reporting
API Response Example
Instant Data Payload
Our number validation API returns a clear, structured JSON response in milliseconds, allowing your application to accept or reject user input instantly.
Line Type Detection:
Instantly know if the number is Mobile, Landline, or VoIP to optimize your routing strategy.
Formatting Standardization:
Returns the number in clean E.164 format, regardless of how the user typed it.
Network Identification:
Provides the Mobile Country Code (MCC) and Network Code (MNC) for precise targeting.
number-validation-response.json
{
"status": "success",
"data": {
"valid": true,
"input_number": "07700 900 123",
"e164_format": "+447700900123",
"country_code": "GB",
"country_prefix": "44",
"line_type": "MOBILE",
"network": {
"carrier_name": "O2 (UK)",
"mcc": "234",
"mnc": "10"
}
}
}The Significance of Number Validation for Businesses
20%
An organization's monthly running expenses could be significantly saved through phone number validation services.
91%
Of companies experience data hygiene problems that can be easily and quickly fixed with our validator.
77%
Of companies believe that their marketing ROI is significantly degraded by incorrect contact information.
Service Features
What's Included in Our Number Validation Service?
Secure & Simple API
Easily set up number validation using our RESTful endpoints. It is secured through HTTPS encryption, allowing you to validate phone numbers safely within your own application logic.
Advanced Usage Statistics
Track every facet of your number verification procedure with in-depth reporting. Generate logs on a monthly or daily basis via our web SMS platform dashboard.
All-Around Validation
Directly access relevant metadata including correct country code prefix, landline or mobile number validation status, and the telecommunications operator network.
Modern Standards
Our system utilizes the latest international E.164 numbering schemes, alongside sophisticated syntax algorithms to validate phone numbers accurately.
Feature Comparison
Validation vs Lookup: Feature Comparison
Understand the difference between formatting validation and real-time network querying.
| Service Features | Number Validation | MNP / HLR Lookup |
|---|---|---|
| Landline Support | ✓ | × |
| Mobile Support | ✓ | ✓ |
| Syntax & Format Validation | ✓ | ✓ |
| MCC & MNC Detection | ✓ | ✓ |
| Live Probability Check | × | ✓ |
| Roaming Information | × | ✓ |
| Live Network Availability | × | ✓ |
Industry Applications
Industry Use Cases
Financial Services
Accuracy and speed are crucial in the financial sector. Validating a customer's phone number must be a secure procedure with zero room for error when communicating sensitive alerts or OTPs.
Our validator checks numbers in milliseconds, ensuring banks only send critical SMS to valid, active mobile lines.
eCommerce & Retail
Having a clean phone number database is critical for retail and travel sectors. Eliminate fake numbers collected during promotions or guest checkouts.
By filtering out landlines and invalid formats, you guarantee your marketing budget is spent only on reachable mobile handsets.
SaaS Onboarding
Every user registration process requires a valid contact method. Our API eradicates the risk of saving invalid numbers by checking syntax in real-time as the user types.
Ensure your business engages with legitimate users, reducing spam accounts and improving overall CRM quality.
Platform Advantage
The BulkSMSOnline Difference
Strong Security
Boost the security of your procedures and protect your business from fraudulent registrations. Validate user inputs instantly during onboarding.
Optimize Expenses
Our validation engine differentiates between landlines and mobiles. This prevents you from attempting to send SMS to landlines, saving valuable resources.
Clean Database
Periodically validate the phone numbers in your CRM to remove churned accounts and reduce delivery errors. Target only reachable subscribers.
Boost Performance
Ensure compliance and reduce risks related to telemarketing violations. As a leading bulk SMS provider, we give you the tools to succeed safely.
Validation Help Center
Frequently Asked Questions
Learn more about how to validate phone numbers using our API.
01
What is number validation?
Number validation is a service that checks whether a phone number is correctly formatted, active, and capable of receiving SMS or voice calls. It helps businesses maintain a clean phone number database and avoid sending messages to invalid destinations.
02
How to validate phone numbers in bulk?
You can validate phone numbers in bulk by uploading a CSV file directly to our web dashboard, or by programmatically sending batches of numbers through our secure number validation API.
03
Can I check mobile or landline type?
Yes, our phone number validator instantly detects the line type, telling you whether a number is a mobile phone, a fixed landline, or a VoIP virtual number. This prevents you from wasting SMS credits on landlines.
04
Does number validation return MCC and MNC?
Yes, the validation response includes the Mobile Country Code (MCC) and Mobile Network Code (MNC), which identifies the exact telecom operator associated with the number.
05
Can I use HTTPS API?
Absolutely. We provide a secure, high-speed HTTPS REST API that developers can easily integrate into CRM systems, signup forms, and marketing automation tools.
Clean your contact database today.
Stop guessing and start validating. Protect your business and optimize routing.