Phone Number Validation Services Compared

Features
Veriphone Numverify Twilio Infobip Vonage
API
Bulk upload
Free quota 1000/month 250/month
Price per 1000 $0.20 $0.40 $5.00 N/A $40.00
Coverage All Numbers All Numbers Mobile Only Mobile Only Mobile Only
Response time Instantaneous Instantaneous Depends on carrier Depends on carrier Depends on carrier
Fields returned
Veriphone Numverify Twilio Infobip Vonage
Int. Format
Local Format
Line Type
Carrier (original)
Valid*
Active*
Ported carrier
Roaming carrier
Online*
*What is the difference between Valid, Active and Online?