Number Lookup API
Know the details behind every number, ensure message deliverability and gain your customers’ trust with Telnyx Phone Number Lookup and CNAM.
Questions? Ask our experts
Get in the know with number lookup
The more you know about numbers, the more effective your communications will be. Telnyx Number Lookup allows our customers to find the carrier and caller information behind each phone number. This information can be used to help increase outbound calling productivity and outbound message deliverability, plus protect your business against spam and fraudulent inbound calls.
Don’t leave your communications to chance
Understand who you are communicating with for enhanced productivity and deliverability.
Real-time CNAM data
Look up the nationally-maintained CNAM database to attach a caller ID name to your incoming calls–even if the other party has never called you before.
Detailed carrier information
Know what carrier a number is attached to in order to understand cost and deliverability.
Access customer insights
Know who you are calling with detailed information about the person behind the phone number. Protect your business against spam and fraud with Caller ID name info.
Send messages that deliver
Split landline and mobile numbers programmatically, and check carrier information to guarantee deliverability.
To streamline your processes
When you know a customer can receive SMS, enable two-factor authentication (2FA) to verify their credentials to keep both your data and their data safe.
To keep data safe
Our code is your code.
curl -X GET \ --header "Content-Type: application/json" \ --header "Accept: application/json" \ --header "Authorization: Bearer YOUR_API_KEY" \ --globoff "https://api.telnyx.com/v2/number_lookup/+18665552368"
Retrieving caller name and carrier
Number lookup and CNAM allow Telnyx users to look up a phone number and retrieve information about the phone number.
Increase lead conversions with number lookup
Implementing real-time intelligence into your inbound sales is the fastest way to start generating value with number lookup.
SMS marketing with Telnyx
Three important features when choosing an SMS provider are pricing, global reach and being able to stay true to your brand.
Our pricing is split by carrier and caller information so you can cut your costs.
$0.0015per lrn dip
What can you build with Telnyx Lookup API?
Number Lookup from Telnyx is a service that allows you to input a number and receive back information about the number carrier and caller ID.