Free and open first
Best Phone Number Validation Software in 2026
Phone number validation tools can help assess contact data through checks and details such as carrier, line type, and reachability. Compared on bulk validation and validation modes, these entries also differ in the data and lookup limits they list. Monthly lookup limit, free-plan availability, and paid-from pricing can help frame expected usage and cost. Accessibility Test Framework for Android, Abstract Email Validation API, and IPQualityScore Phone Validation API are among the options shown. Consider which validation approaches and data points matter for the contact workflow you have in mind.
- 25 apps
- Research read 23 Sept 2026
- How the order is worked out
- 1
APIFreaks Phone Validation API
Free plan APIWebThe API provides numbering-plan checks and a range of metadata, with 10,000 credits for new signups.
- 2
IPQualityScore Phone Validation API
Free plan AndroidAPIExtension+3IPQualityScore combines phone validation, reputation analysis, reverse lookup and bulk processing in an API and dashboard.
- 3
HLR Lookup
Free plan APIWebHLR Lookup offers API and bulk routes for mobile-number status checks, with a broad stated network footprint and rules that exclude invalid numbers from charges.
- 4
libphonenumber-js
Free plan APIWeblibphonenumber-js provides parsing, formatting, and validation tools with selectable metadata for different needs.
- 5
Melissa Global Phone Verification
Free plan APIWebMelissa Global Phone Verification combines international number checks with geographic and phone-type data. Premium Mode has a stated processing limit and does not support batch processing.
- 6
numlookupapi.com
Free plan APIWebnumlookupapi.com provides phone validation and number attributes through an API, with batch requests and language SDKs.
- 7
Neutrino Phone Validate
Free plan APIPhone Validate returns validation and location details through an API, with SDKs across several programming languages.
- 8
PhoneValidationAPI
Free plan APIWebPhoneValidationAPI combines number parsing, line and carrier data, and disposable-number checks in an HTTP API.
- 9
Veriphone
Free plan APISelf-hostedWebVeriphone combines single-number API checks with bulk CSV processing and optional carrier portability lookups.
- 10
FoneSwift Bulk Phone Validator
Free plan WebChoose FoneSwift Bulk Phone Validator for no-signup batch checks, number formatting, and downloadable results for CRM or database workflows.
- 11
Numverify
Free plan APINumverify provides phone validation through a REST API, with JSON results and broad country coverage.
- 12
Twilio Lookup
Free plan APITwilio Lookup provides phone-number validation and passive risk information through an API. Check regional availability and the listed per-request charges for the signals your workflow needs.
- 13
Byteplant Phone-Validator
Free trial APIWebByteplant Phone-Validator covers single-number checks and large CSV batches, with returned line and location details.
6.2 Visit site - 14
ClearoutPhone
Free trial APIWebClearoutPhone supports both batch list processing and real-time API validation, with standard and deeper Smart checks.
- 15
Abstract Phone Validation API
Free plan - 16
Loqate Phone Validation
Free trial APIWebLoqate combines number-format checks with carrier and HLR information, and offers Tag, API, and selected platform integrations.
- 17
Acudo Phone Validation
Paid APIWebChoose Acudo if your business needs phone validation, number intelligence, risk signals, or bulk processing through web or API access.
- 18
DOTS Phone Exchange
Free trial APIWebDOTS Phone Exchange provides a wide set of phone and porting details, alongside API and web access. Its free trial offers 500 transactions, while ongoing pricing requires a request.
- 19
Amazon Phone Number Validate
Paid APIAmazon Phone Number Validate supplies structured phone data for validation and messaging decisions through an API.
- 20
Telephone
Free trial APIWebTelephone provides validation, risk-related checks, carrier data, and geographic enrichment through straightforward HTTP endpoints.
- 21
OmaxTelecom Phone Validation API
Paid APIOmaxTelecom Phone Validation API combines number validation with available carrier, location, and line-type metadata, and supports both single and bulk workflows.
- 22
Data8 Phone Validation
Paid Web - 23
Vonage Identity Insights
Paid WebVonage Identity Insights separates phone-number and identity checks into distinct offerings with different billing rules. Confirm the required check and country-dependent pricing before adoption.
4.3 Visit site - 24
- 25
Telesign Phone ID
Paid Web4.0 Visit site
#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price
More in Sales & CRM
- Product Configurator Software111
- Product-Led Sales Software14
- Professional Services CRM Software35
- Proposal Software134
- Public Sector CRM Software26
- Quota Management Software25
- Real Estate CRM Software249
- Real Estate Transaction Management Software31
- Recruiting CRM Software29
- Referral Management Software36
- Relationship Intelligence Software26
- Retail CRM Software25