Know your numbers and eliminate disconnected lines.
Phone Validation API
Phone Validation API validates the phone number and provides phone metadata, such as carrier name, line type (landline, mobile, non-fixed VoIP, etc.), is the phone prepaid, etc, and includes a phone activity score to help identify disconnected phones.
Unlock powerful use cases:
Lead Contactability and Prioritization
Prioritize leads with the best chance of contactability based on if the number is connected or disconnected, reachable or a temporary number, and belongs to the person who they say they are.
Reputation Management
Reach your target audience by managing your business phone reputation and avoiding outgoing calls to disconnected and temporary numbers.
Call Routing and Prioritization
Route known and unknown calls to the right agent or sales team member in real-time based on the phone metadata or caller’s demographic and location details.
Features:
Activity Score
Indicates if a phone is connected or disconnected.
Validity Checks
Shows whether a number is valid, assigned to a carrier, and is in-service.
Carrier
Identifies all US-based carriers including MVNOs.
Line Type
Provides seven unique line types including: mobile, fixed and non-fixed VoIP, landline, premium, toll-free and voicemail service.
Prepaid Status
Indicates whether a mobile number is part of a prepaid plan.

Why Trestle?
- Cutting data engineering enables high-performance APIs, industry-leading coverage, and accuracy.
- Elevated data privacy standards ensure vetted suppliers and protected customer data.
- A data solutions provider you can stick with: Trestle has a track record of continuous improvement and innovation.