Phone Number Validation API

Phone Number Validation API

Phone Number Validation API offers powerful capabilities to determine the validity, formatting, region compatibility, line type, country, and country code of phone numbers. With this API, businesses can ensure accurate and reliable phone number information for improved communication and enhanced customer experiences.

API description

About the API:

The Phone Number Validation API is a robust solution that provides comprehensive functionality to validate and enhance phone number information. With this API, businesses can ensure accurate and reliable phone number data for improved communication, enhanced customer experiences, and streamlined operations.

One of the core features of the Phone Number Validation API is its ability to determine if a phone number is in a valid format. It performs thorough checks to validate the structure and formatting of phone numbers, ensuring that they adhere to the correct pattern and syntax. This validation prevents the use of incorrect or malformed phone numbers, reducing errors and improving data quality.

In addition to validating the format, the API can also determine if a phone number is impossible for a particular region. It leverages region-specific rules and regulations to identify phone numbers that are not feasible or valid within a given geographic area. This capability helps businesses avoid using phone numbers that are invalid or non-existent, ensuring accurate communication with customers in specific regions.

The Phone Number Validation API also excels in properly formatting phone numbers for various scenarios like international or local dialing. It can automatically adjust the format of phone numbers based on the dialing rules and conventions of different countries. This ensures that phone numbers are correctly formatted for both domestic and international communication, eliminating confusion and improving the chances of successful connections.

Another valuable aspect of the API is its attempt to determine the line type of a phone number. By analyzing various indicators and data sources, it can classify phone numbers into categories such as landline, mobile, VoIP, or toll-free. This line type determination helps businesses tailor their communication strategies and adjust their approach based on the specific type of line they are dealing with.

Furthermore, the Phone Number Validation API provides accurate country and country code information. It can identify the country associated with a phone number and extract the corresponding country code. This information is vital for businesses operating globally, enabling them to route calls, send messages, and manage phone number databases more efficiently.

In summary, the Phone Number Validation API offers a comprehensive set of features to validate, enhance, and manage phone number data. It verifies the validity and format of phone numbers, determines region compatibility, formats numbers for different dialing scenarios, attempts to determine line types, and provides country and country code information. By leveraging this API, businesses can ensure accurate communication, improve customer experiences, and optimize their operations by maintaining reliable and up-to-date phone number information.


What your API receives and what your API provides (input/output)?

Pass any phone number that you want to verify. Check its validity, its origin, and its type. 


What are the most common uses cases of this API?

  1. User Registration and Authentication: The Phone Number Validation API can be integrated into user registration systems to ensure that the provided phone numbers are valid and properly formatted. This helps prevent users from entering incorrect or non-existent phone numbers during the registration process and ensures smooth authentication and verification procedures.

  2. Call Routing and Optimization: Businesses with call center operations can utilize the API to determine the line type and country of a phone number. This information can be used to route calls to the appropriate departments or agents, improving call handling efficiency and providing a better customer experience.

  3. Form Validation: Websites or applications that collect phone numbers through online forms can use the API to validate the format and feasibility of the provided numbers in real-time. It helps prevent users from submitting invalid or incorrectly formatted phone numbers, reducing form submission errors and improving data accuracy.

  4. Mobile App Verification: Mobile apps that require phone number verification for user registration or account authentication can integrate the Phone Number Validation API. It ensures that only valid and properly formatted phone numbers are accepted, enhancing the security and reliability of the verification process.

  5. Data Cleansing and CRM Integration: Organizations can use the API to cleanse and validate their existing phone number databases. By verifying the format, region compatibility, and line type of phone numbers, businesses can ensure the accuracy and integrity of their customer data. This, in turn, improves CRM system efficiency and enhances targeted communication efforts.

  6. Marketing Campaigns: Marketers can leverage the Phone Number Validation API to ensure the quality of phone numbers used in marketing campaigns. By validating and verifying phone numbers before launching SMS or voice campaigns, businesses can enhance campaign effectiveness, reduce costs associated with invalid or unreachable numbers, and maintain a positive brand image.


Are there any limitations to your plans?

Besides the number of API calls, there are no other limitations.

API Documentation


retrieves valuable technical data about a phone number

  • validity

  • approximate location

  • timezone

  • carrier

  • line type

  • ported status

  • carrier

  • robocall/spam score

  • much more


Get Details - Endpoint Features
Object Description
dialcode [Required]
country_code [Optional]
Test Endpoint


                                                                                                                                                                                                                            {"dialcode_e164":"+16502530000","timezone":"America/Los_Angeles","timezone_short":"PDT","timezone_utc_offset":"-08:00","region":"West","sub_region":"Pacific","administrative_area_level_3":null,"administrative_area_level_2":"San Francisco County","administrative_area_level_1":"California","administrative_area_level_1_short":"CA","locality":"San Francisco","sublocality_level_1":null,"point_of_interest":null,"neighborhood":null,"clli":"SNFCCASY5MD","country":"United States","country_short":"US","postal_code":"94108","operating_company_name":"CenturyLink","operating_company_type":"clec","lata":"722","ocn":"8826","line_type":"fixed_or_mobile","location_routing_number":"+14159686199","ported":true,"risk_rating":"highly_likely","risk_level":94,"ported_date":null,"dialcode_invalid":false,"dialcode_impossible":false,"notes":"Email us at [email protected] with any inquiries.","switch_assignment_date":"2005-12-28"}


curl --location --request GET '' --header 'Authorization: Bearer YOUR_API_KEY' 


API Access Key & Authentication

After signing up, every developer is assigned a personal API access key, a unique combination of letters and digits provided to access to our API endpoint. To authenticate with the Phone Number Validation API REST API, simply include your bearer token in the Authorization header.


Header Description
Authorization [Required] Should be Bearer access_key. See "Your API Access Key" above when you are subscribed.

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