Number intelligence
Lookup / Validation
Validate destination-number status before send to reduce wasted traffic and improve international delivery planning.
Service overview
Lookup checks requested phone-number information against subscriber data so clients can validate routing-relevant destination details before sending SMS traffic.
At a glance
Validation focus
Destination-number and handset status
Useful checks
Country, carrier, handset availability, portability, roaming
Operational benefit
Filter invalid, non-mobile, virtual, landline, or unreachable numbers before send
Business value
International traffic preparation and cost control
Published depth
Korea portability handling plus Japan NPDB support
What lookup confirms
Destination details
- ›Country
- ›Carrier or telecom operator
- ›Handset availability
Status details
- ›Number portability
- ›Roaming status
- ›Invalid, landline, virtual, or non-mobile numbers
Lookup flow
1
Client sends number list
The client requests lookup for target numbers before launch or before a transmission batch.
2
SureM relays the lookup request
SureM relays the request to the lookup provider and receives the result.
3
Filtered result is returned
The result can be simplified and returned to the client so delivery decisions can be made before traffic is sent.
Published lookup depth
Japan NPDB support
SureM also publishes Japan NPDB support, including its own and partner NPDB data sources for stronger portability handling.
Common use cases
- ›Pre-send validation
- ›International routing preparation
- ›Roaming-number handling
- ›Reducing wasted delivery attempts