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Verify Phone Number, Identify Line Type & LNP - API
Use these powerful and accurate APIs to Verify Phone Number & Identify Line Type. Instantly identify phone number line type, carrier and more to make your phone data more meaningful.
Find out if phone number has been ported to a new carrier and it's or has been disconnected, and if it's on the Federal or State Do Not Call (DNC) lists or used in TCPA litigation.
- Verify Phone Numbers for Sending
Text Messages - Verify User Entered Phone
Numbers on Websites & Forms - Ensure Delivery of Appointment
reminders for Mobile Users - Available for US and Canadian
Phone Numbers
XML or JSON Format
Fast & Reliable
No Contracts
Secure and Private
Data Handling
Compare Phone Verification APIs
| Standard | Advanced | Adv + DNC |
Adv + Caller ID |
Reachable Number |
Adv + Reachable + Caller ID |
Complete | Active | DNC List | Caller ID | |
|---|---|---|---|---|---|---|---|---|---|---|
| api_loc3 | api_lnp3 | api_lnd2 | api_lnc2 | api_atn3 | api_atc | api_atx2 | api_atn | api_dnc2 | api_cnam | |
Orig. Line Type  |
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| Orig. Carrier | ||||||||||
| Curr. Line Type |
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| Curr. Carrier |
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| LNP Port check |
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| SMS email |
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| OCN |
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| Location |
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| State | ||||||||||
| Time zone | ||||||||||
| DNC Check* |
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| TCPA Check |
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| Line Status |
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| Caller ID |
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| Price Factor |
1 | x 1.5 | x 3 | x 7 | x 5 | x 9 | x 10 | x 4 | x 2 | x 6 |
| Info | Info | Info | Info | Info | Info | Info | Info | Info | Info |
Identify Phone Number (Standard API) - api_loc3
This API reports the original carrier and line type, so you can verify phone number info to help reduce: fraud, form spam submissions, TCPA lawsuits and more.
Data is updated monthly.
However, it does not include a LNP check
so this API delivers approx 60-80% accuracy. Need LNP?
Check out our Advanced API below.
Process one phone number or up to 1,000 in one request.
Cost is $0.01 to $0.001 per query, depending on volume.
The rate automatically goes down as your monthly volume increases. The price resets on the 1st of each month.
Estimate your cost
Identify Phone Number (Advanced LNP API) - api_lnp3
This API reports the current carrier and line type increasing your ability to reduce fraud, form spam submissions, and to maximize TCPA compliance accuracy. Data is obtained in real-time with a Local Number Portability (LNP) check. This Advanced API provides 99.9% accuracy.
If the number has been ported (moved to a new carrier), the API returns the new (current) carrier and line type.
Email address for sending text messages via email is also included for cell phones (e.g. 2129994455@sms.mycricket.com)
Process one phone number or up to 1,000 in one request.
Cost is $0.015 to $0.0015 per query, depending on volume.
The rate automatically goes down as your monthly volume increases. The price resets on the 1st of each month.
Estimate your cost
Advanced LNP + DNC Check - api_lnd2
This API reports the current carrier and line type using real-time Local Number Portability (LNP) check. This Advanced API provides 99.9% accuracy. If the number has been ported, the API returns the latest port date, the new carrier and line type.
Email address for sending text messages via email is included for cell phones.
This service shows if phone number is on the US Federal or 13 State Do Not Call (DNC) lists.
Phone number is also checked on if it used in the Telephone Consumer Protection ACT (TCPA) litigation from 2000 to present day.
Cost is $0.03 to $0.003 per query, depending on volume.
The rate automatically goes down as your monthly volume increases. The price resets on the 1st of each month.
Estimate your cost
Advanced LNP + Caller ID API - api_lnc2
This API reports line status (active vs disconnected), the current carrier and line type using real-time Local Number Portability (LNP) check. This Advanced API provides 99.9% accuracy. If the number has been ported, the API returns the new carrier and line type.
Email address for sending text messages via email is included for cell phones.
This service also returns Caller ID (CNAM) name
Cost is 0.07 to $0.007 per query, depending on volume.
The rate automatically goes down as your monthly volume increases. The price resets on the 1st of each month.
Estimate your cost
Reachable Phone Number API - api_atn3
Does your business waste money calling inactive or disconnected phone numbers? This API brilliantly solves this problem.
It includes all of the service of the Advanced LNP API above plus it verifies if a phone number is reachable.
It uses sophisticated algorithms and multiple factors to indicate if number is reachable. If a number was activated or disconnected within a week or was not called in many months, its status may not be reported correctly.
This service also shows if phone number is on the US Federal or 13 State Do Not Call (DNC) lists or used in the Telephone Consumer Protection ACT (TCPA) litigation. It includes everything from the Advanced Line Type (LNP) service above.
Process one phone number or up to 1,000 in one request.
Cost is $0.05 - $0.022 per query, depending on volume.
The rate automatically goes down as your monthly volume increases. The price resets on the 1st of each month.
Estimate your cost
Complete Phone Verification Number API - api_atx2
This API includes all available details: Active vs Disconnected, DNC (Federal and State) and TCPA List Check, CNAM (Caller ID), Current Line Type and Carrier, LNP Check, etc.
Cost is $0.10 - $0.024 per query, depending on volume.
The rate automatically goes down as your monthly volume increases. The price resets on the 1st of each month.
Estimate your cost
Active Phone Number - api_atn
Simple and efficient way to tell if is phone number is reachable. The API is based on multiple factors and sophisticated algorithms to indicate if the number will respond to phone calls.
If a number was activated or disconnected within a week or was not called in many months, its status may not be reported correctly.
Cost is 0.04 to $0.018 per query, depending on volume.
The rate automatically goes down as your monthly volume increases. The price resets on the 1st of each month.
Estimate your cost
Caller ID / CNAM API - api_cnam
Caller ID feature identifies an incoming caller by a name. The feature isn't always perfect, but very useful to verify identity of the phone owner.
Cost is 0.06 to $0.006 per query, depending on volume.
The rate automatically goes down as your monthly volume increases. The price resets on the 1st of each month.
Estimate your cost
Do Not Call List API - api_dnc2
This service only shows if phone number is on the US Federal or 13 State Do Not Call (DNC) lists and if it was used in TCPA litigation.
Cost is 0.02 to $0.002 per query, depending on volume.
The rate automatically goes down as your monthly volume increases. The price resets on the 1st of each month.
Estimate your cost
Advanced LNP + Active + Caller ID API - api_atc
Find if is phone number is active (reachable). The API is based on multiple factors and sophisticated algorithms to indicate if the number will respond to phone calls.
Caller ID identifies an incoming caller by a name. The feature isn't always perfect, but very useful to verify identity of the phone owner.
Cost is 0.09 to $0.009 per query, depending on volume.
The rate automatically goes down as your monthly volume increases. The price resets on the 1st of each month.
Estimate your cost
Phone Validation Bulk API
This API is suited for phone verification requests with hundreds or even thousands of records at time.
The Bulk API allow to determine phone line type (landline/fixed line), cell phone/wireless or VoIP), carrier (Phone Company) name, its OCN number, location, SMS email address for cell phone numbers, if number was ported to a different carrier, line status (active or disconnected). The API only supports US phone numbers.
The API can check if phone numbers are on Federal and State Do Not Call (DNC) lists or used in TCPA (Telephone Consumer Protection Act) lawsuits and associated with TCPA litigators.
With our cumulative pricing, the volume discounts also add up as you process more phone number batches with the same service type in each month.
Estimate your cost
Do not see what you need? We can create a custom API to suite your needs
or solve data
problems you might be facing. Just ask.
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