Phone Number Lookup API
Phone Number Lookup API
Knowledge is power
More easily predict costs & deliverability
There are lots of changes happening in the messaging industry. Carrier identification allows you to know your carrier mix before you start sending text messages, helping you to more accurately predict your costs and message deliverability rates.
Send messages to numbers that can receive them
You pay for every message you send, not every one that’s received. Our Phone Number Lookup API enables you to easily sort numbers to ensure you’re only sending to mobile phones that can receive text messages.
Provide a better security experience
Using our Phone Number Lookup API enables you to target the right type of multi-factor authentication to your customers, sending voice or text message authentication based on their line type.
Don’t worry—our signature support is always included
- Dedicated support to help you every step of the way
- An assigned single point of contact for all products
- 24/7 proactive Network Operations Center (NOC)
- 98% CSAT delivering Technical Assistance Center (TAC)
- Expert business development managers to help navigate your changing telecom needs
- A dedicated team of porting specialists
- Satisfaction Guaranteed
Frequently Asked Questions
At this time we are only pulling from the US and Canada. If you are interested in international number lookup, please let your QuestBlue representative know.
See our pricing page for details.
Simply contact your QuestBlue representative or request to talk to an expert.