Best Phone Number Validation Software in 2026
Updated
In short: Accessibility Test Framework for Android is ranked #1 of 27 as of 4 October 2026, ahead of IPQualityScore Phone Validation API and Vonage SMS API. The best-ranked option with a free plan is IPQualityScore Phone Validation API. The lowest first paid tier on this page is Neutrino Phone Validate at £8/mo.
Phone number validation software helps assess whether numbers in contact data meet the checks your workflow requires. Compared on bulk validation, carrier data, free plan, line type data, monthly lookup limit, paid-from price, reachability data, and validation modes, these entries give you several ways to weigh coverage and capacity. Accessibility Test Framework for Android, IPQualityScore Phone Validation API, and Vonage SMS API are among the names shown. Consider which signals you need—such as carrier, line type, or reachability—and whether you’ll validate numbers individually or in bulk. Monthly lookup limits and plan costs can help you judge fit for the volume of work you expect.
27 phone number validation software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
27ranked
5free plans on this page
£8/molowest paid tier
4 Oct 2026last checked
Input list Phone Number Validation Software 25 channels on this page · 148 of 200 spec lines stated by the makers
Ch Tool Free planPaid fromValidation modesLine type dataCarrier dataReachability dataBulk validationMonthly lookup limit Spec sheet Score
01 Accessibility Test Framework for Android Free plannot statedPaid fromnot statedValidation modeslookupLine type dataYesCarrier dataYesReachability dataYesBulk validationNoMonthly lookup limitnot stated 5/8spec lines stated 7.3
02 IPQualityScore Phone Validation API Free planYesPaid from$99/moValidation modesnot statedLine type dataYesCarrier dataYesReachability dataYesBulk validationYesMonthly lookup limit5,000 lookups/mo 7/8spec lines stated 7.2
03 Vonage SMS API Free planNoPaid fromnot statedValidation modesapiLine type dataYesCarrier dataYesReachability dataYesBulk validationnot statedMonthly lookup limitnot stated 5/8spec lines stated 7.2
04 Abstract Email Validation API Free planYesPaid from$17/moValidation modesapiLine type dataYesCarrier dataYesReachability dataYesBulk validationYesMonthly lookup limit5,000 lookups/mo 8/8spec lines stated 7.0
05 HLR Lookup Free planNoPaid fromnot statedValidation modesnot statedLine type dataYesCarrier dataYesReachability dataYesBulk validationYesMonthly lookup limitnot stated 5/8spec lines stated 7.0
06 PhoneValidationAPI Free planYesPaid from$14.99/moValidation modesapiLine type dataYesCarrier dataYesReachability dataYesBulk validationYesMonthly lookup limit6,000 lookups/mo 8/8spec lines stated 7.0
07 Data8 Duplicare Free planNoPaid fromnot statedValidation modesapiLine type dataYesCarrier dataYesReachability dataYesBulk validationYesMonthly lookup limitnot stated 6/8spec lines stated 6.8
08 Loqate Phone Validation Free planNoPaid fromnot statedValidation modesnot statedLine type dataYesCarrier dataYesReachability dataYesBulk validationYesMonthly lookup limitnot stated 5/8spec lines stated 6.8
09 Telesign Communications Platform Free planNoPaid fromnot statedValidation modesnot statedLine type dataYesCarrier dataYesReachability dataYesBulk validationnot statedMonthly lookup limitnot stated 4/8spec lines stated 6.8
10 Neutrino Phone Validate Free planYesPaid from$10/moValidation modesapiLine type dataYesCarrier dataYesReachability dataYesBulk validationYesMonthly lookup limit300,000 lookups/mo 8/8spec lines stated 6.7
11 APIFreaks Phone Validation API Free planYesPaid from$50/moValidation modesapiLine type dataYesCarrier dataYesReachability dataYesBulk validationYesMonthly lookup limit300,000 lookups/mo 8/8spec lines stated 6.6
12 Byteplant Phone-Validator Free planNoPaid fromnot statedValidation modesnot statedLine type dataYesCarrier dataYesReachability dataYesBulk validationYesMonthly lookup limitnot stated 5/8spec lines stated 6.6
13 ClearoutPhone Free planNoPaid from$23.16/moValidation modesnot statedLine type dataYesCarrier dataYesReachability dataYesBulk validationYesMonthly lookup limit5,000 lookups/mo 7/8spec lines stated 6.6
14 Melissa Global Phone Verification Free planYesPaid fromnot statedValidation modesnot statedLine type dataYesCarrier dataYesReachability dataYesBulk validationYesMonthly lookup limitnot stated 5/8spec lines stated 6.5
15 Vonage Identity Insights Free planNoPaid fromnot statedValidation modesapiLine type dataYesCarrier dataYesReachability dataYesBulk validationnot statedMonthly lookup limitnot stated 5/8spec lines stated 6.1
16 Veriphone Free planYesPaid from$12.99/moValidation modesapiLine type dataYesCarrier dataYesReachability dataNoBulk validationYesMonthly lookup limit10,000 lookups/mo 8/8spec lines stated 6.0
17 FoneSwift Bulk Phone Validator Free planYesPaid fromnot statedValidation modesbatchLine type dataYesCarrier dataYesReachability dataNoBulk validationYesMonthly lookup limitnot stated 6/8spec lines stated 5.8
18 libphonenumber-js Free planYesPaid fromnot statedValidation modesapiLine type dataYesCarrier dataNoReachability dataYesBulk validationNoMonthly lookup limitnot stated 6/8spec lines stated 5.8
19 numlookupapi.com Free planYesPaid from$9.99/moValidation modesnot statedLine type dataYesCarrier dataYesReachability dataYesBulk validationnot statedMonthly lookup limit5,000 lookups/mo 6/8spec lines stated 5.8
20 Acudo Phone Validation Free plannot statedPaid fromnot statedValidation modesnot statedLine type dataYesCarrier dataYesReachability dataYesBulk validationYesMonthly lookup limitnot stated 4/8spec lines stated 5.7
21 DOTS Phone Exchange Free planNoPaid fromnot statedValidation modesapiLine type dataYesCarrier dataYesReachability dataYesBulk validationnot statedMonthly lookup limitnot stated 5/8spec lines stated 5.7
22 Numverify Free planYesPaid from$14.99/moValidation modesapiLine type dataYesCarrier dataYesReachability dataYesBulk validationnot statedMonthly lookup limit5,000 lookups/mo 7/8spec lines stated 5.7
23 Twilio Lookup Free planYesPaid fromnot statedValidation modesapiLine type dataYesCarrier dataYesReachability dataYesBulk validationnot statedMonthly lookup limitnot stated 5/8spec lines stated 5.7
24 Google libphonenumber Free plannot statedPaid fromnot statedValidation modeslookupLine type dataYesCarrier dataYesReachability dataYesBulk validationNoMonthly lookup limitnot stated 5/8spec lines stated 5.6
25 OmaxTelecom Phone Validation API Free plannot statedPaid fromnot statedValidation modesapiLine type dataYesCarrier dataYesReachability dataYesBulk validationYesMonthly lookup limitnot stated 5/8spec lines stated 5.6
Compare all 25 in a table
| # | Tool | Score | Free plan | From | Free plan | Paid from | Validation modes | Line type data |
|---|---|---|---|---|---|---|---|---|
| 1 | Accessibility Test Framework for Android | 7.3 | Free plan | Free | — | — | lookup | Yes |
| 2 | IPQualityScore Phone Validation API | 7.2 | Free plan | Free | Yes | 99 /mo | — | Yes |
| 3 | Vonage SMS API | 7.2 | No | — | No | — | api | Yes |
| 4 | Abstract Email Validation API | 7.0 | Free plan | $17/mo | Yes | 17 /mo | api | Yes |
| 5 | HLR Lookup | 7.0 | No | — | No | — | — | Yes |
| 6 | PhoneValidationAPI | 7.0 | Free plan | $14.99/mo | Yes | 14.99 /mo | api | Yes |
| 7 | Data8 Duplicare | 6.8 | No | — | No | — | api | Yes |
| 8 | Loqate Phone Validation | 6.8 | No | — | No | — | — | Yes |
| 9 | Telesign Communications Platform | 6.8 | No | — | No | — | — | Yes |
| 10 | Neutrino Phone Validate | 6.7 | Free plan | £8/mo | Yes | 10 /mo | api | Yes |
| 11 | APIFreaks Phone Validation API | 6.6 | No | $41.67/mo | Yes | 50 /mo | api | Yes |
| 12 | Byteplant Phone-Validator | 6.6 | No | — | No | — | — | Yes |
| 13 | ClearoutPhone | 6.6 | No | $23.16/mo | No | 23.16 /mo | — | Yes |
| 14 | Melissa Global Phone Verification | 6.5 | No | — | Yes | — | — | Yes |
| 15 | Vonage Identity Insights | 6.1 | No | — | No | — | api | Yes |
| 16 | Veriphone | 6.0 | No | — | Yes | 12.99 /mo | api | Yes |
| 17 | FoneSwift Bulk Phone Validator | 5.8 | No | — | Yes | — | batch | Yes |
| 18 | libphonenumber-js | 5.8 | No | — | Yes | — | api | Yes |
| 19 | numlookupapi.com | 5.8 | No | — | Yes | 9.99 /mo | — | Yes |
| 20 | Acudo Phone Validation | 5.7 | No | — | — | — | — | Yes |
| 21 | DOTS Phone Exchange | 5.7 | No | — | No | — | api | Yes |
| 22 | Numverify | 5.7 | No | — | Yes | 14.99 /mo | api | Yes |
| 23 | Twilio Lookup | 5.7 | No | — | Yes | — | api | Yes |
| 24 | Google libphonenumber | 5.6 | No | — | — | — | lookup | Yes |
| 25 | OmaxTelecom Phone Validation API | 5.6 | No | — | — | — | api | Yes |
Is your tool on this list?
Numbered spots on this list can be sponsored, and a sponsored row is labelled as paid.
Questions about this list
Which phone number validation software is ranked first on Specifiction?
Accessibility Test Framework for Android is ranked #1 of 27 with a score of 7.3. IPQualityScore Phone Validation API is second and Vonage SMS API third.
How many of these have a free plan?
5 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Neutrino Phone Validate has the lowest first paid tier we found: £8/mo.
How is this list ranked?
Ranked on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.
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