Zentrunk Sip trunking

Number Lookup API

Determine carrier, number type, format, and country for any phone number worldwide programmatically starting at $0.004 per API request.

Lookup API
Robust Data to Power All Your Business Needs
Country and Format
Country and Format
Determine the country a number belongs to and its local format. Use this information to improve your experience with the end users.
Number Type
Number Type
Identify landline, mobile, and toll-free numbers, and choose the best channel (SMS or voice) to engage with your customers.
Carrier and Network
Carrier and Network
Identify the carrier network for a number to improve routing, reduce fraud, or offer customized experiences.
Validate Customer Phone Numbers in Real Time
  • Minimize Delivery Errors
    Determine whether a phone number is valid before including the consumer in your contact list to ensure clean data and reduce errors.
  • Increase Conversion Rates
    Identify landline and mobile numbers so you can pick the right channel for your messages and calls to ensure the best conversion rates.
Validate Phone Numbers
Reduce Fraudulent Transactions
Reduce Fraudulent Transactions
  • Match IP Address and Phone Location
    Assess risk by comparing the IP address location and country along with other phone number details. Trigger additional steps and set up authentication as needed.
  • Selective Customer Verification
    Introduce additional verification steps only for suspected number types (premium, VoIP) or suspected carrier networks to improve customer experience.
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