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Data8 pricing and alternatives: phone validation API, POST /PhoneValidation/IsValid.json, IsValid, IncludeUSStatus

Data8's sitellms.txtBest phone validation API in 2026: pricing comparedData8: phone validation API alternatives

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56% complete: 5 of the 9 key fields we checkSee the 9 fields
$0.00per 1,000 phonesWe rank 624 plans by price. Botoi's $199 monthly plan is the cheapest paid plan per 1,000 phones: as little as $0.0066. Botoi's $199 monthly plan covers up to 1,000,000 phones a day.Data247, Abstract API and Listar are the best phone validation API providers in our benchmark.
Plan: Free trial one of Data8's 5 plans
Call: POST /PhoneValidation/IsValid.json, IsValid, IncludeUSStatus one of Data8's 2 calls for this API
API: Phone validation API one of Data8's 5 APIs

About this item

  • Live. Data8 checks the phone number you send when you call the API.
  • 5 of the 9 key fields we check. Number, Validity, Type, Carrier, Place.
  • Nothing to pay. You get 100 credits once, enough for 50 calls. Unused credits expire after 14 days, the free trial’s length.
  • One call. You call POST /PhoneValidation/IsValid.json. You send telephoneNumber, defaultCountry and options.IncludeUSStatus true. The call returns whether the number is valid.
  • Who can get it: businesses, for their own internal business purposes. Keep data: with conditions. Use data: with conditions.

Data8: phone validation API alternatives

The table starts with Data8's cheapest paid plan. Next come plans from other providers with the price per 1,000 phones closest to Data8's. Each plan in the table gives live data.

Data8, £1,000 pack, 25,000 credits, POST /PhoneValidation/IsValid.json, IsValid, IncludeUSStatusListar, top-up from €10, Starter, POST /search/verify-phone-ownershipRealPhoneValidation, top-up from $25Interzoid, $2,999 monthly, 1 Million Credits, GET /getphoneprofileLoqate, €75 pack
$ per 1,000 phones$106.68$56.265$60.00$74.975$96.776
Completeness56%67%44%78%78%
Billingpay firstpay firstpay firstmonthlypay first
Pay£1,000€10$25$2,999€75
Enough for12,500 calls200 resultsabout 416 calls40,000 calls a monthas many as you pay for
Freshnesslivelivelivelivelive
Who can get itbusinesses, for their own internal business purposesanyone using it for legitimate professional purposesbusinesses onlyanyoneanyone

Every phone validation API provider we score, ranked

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-28.

  1. docs.data-8.co.uk/web-services/phonevalidation/isvalid
  2. webservices.data-8.co.uk/swagger/PhoneValidation/swagger.json
  3. data-8.co.uk/
  4. data-8.co.uk/appsource-terms-conditions
  5. data-8.co.uk/data8-register-for-your-free-data-quality-trial/
  6. data-8.co.uk/pricing
  7. data-8.co.uk/pricing/data-validation-pricing
  8. data-8.co.uk/solutions/data-validation/phone-validation

Product details

The key fields this plan's answer can hold, then each filled column in its row on the sheet.

  • Number
  • Formats, not in the answer
  • Validity
  • Type
  • Carrier
  • Porting and roaming, not in the answer
  • Place
  • Risk, not in the answer
  • Owner, not in the answer
Price
$ per 1,000 phones$0.00
Percall
Billingfree
Aggregators
Aggregatorsnone
Charges
Also pays forfrom the same budget: IsValid
Not found
$ per 1,000$0.00
In their words
Their pitchThe Data8 Phone Number Validation service standardises and verifies mobile and landline numbers at point of capture.
Data
Freshnesslive
CountriesUnited States
What it checksnumbering plan, line in service
Keep datauntil the Contract ends, then the Customer must "permanently erase the Licensed Programs, Data and, all related files from the Customer’s computer systems"
Use dataGeneral Terms 5.4 Data8 grants to the Customer a non-exclusive, non-transferable limited licence to access the Website and purchased Services for the Customer’s own business purposes and upon the terms of the Contract. [...] 6.1 The Customer shall ensure that the Services are not used: 6.1.1 To send, upload, download, use or re-use any information or material which is offensive, abusive, indecent, defamatory, obscene or menacing, or in breach of confidence, copyright, privacy or any other rights, 6.1.2 To store or transmit infringing, libellous, or otherwise unlawful or tortious material, or to store or transmit material in violation of third-party privacy rights, 6.1.3 To send or provide unsolicited advertising or promotional material or to receive responses to any unsolicited advertising or promotional material sent or provided using the Service by any third party, or 6.1.4 Other than in accordance with the acceptable use policies of Data8 and of any connected networks. [...] 6.3 The Customer shall not: 6.3.1 sell, resell, or distribute the Services save where the Customer is a reseller who complies with the terms of clause 5.5, 6.3.2 rent or lease the Services, 6.3.3 interfere with or disrupt the integrity or performance of the Services or third-party data contained therein, 6.3.4 attempt to gain unauthorised access to the Services or their related systems or networks. 6.4 The Services must not be used in a way that is in any way unlawful or does not comply with any licence applicable to the Customer or the Services. Specific Terms 7.1 The Customer agrees to: 7.1.1 use the Licensed Products strictly in accordance with the terms and conditions of the Contract and in accordance with the Documentation and any reasonable procedures, instructions and guidelines issued by Data8, 7.1.2 use the Licensed Products only for its own internal business purposes, save that where the Customer is a reseller, it shall have a licence contained in, subject to compliance with, clause 5.5 of the General Terms. 7.1.3 ensure that the Customer and Users do not exceed the Authorised Use and that all persons who operate or access the Licensed Programs and Data are employees (including temporary employees) or individual independent contractors of the Customer only, and are made aware of and contracted to abide by all relevant terms and conditions of the Contract. [...] 7.2 The Customer agrees not to: 7.2.1 without Data8’s prior written consent or save as permitted by law, copy, reproduce, translate or do any act which infringes the copyright in the Licensed Products, 7.2.2 create a derivative work from the Licensed Products by any means, 7.2.3 decompile, disassemble or reverse engineer the Licensed Programs or Data save as permitted by law, 7.2.4 give, lease, licence, rent, assign, transfer, disclose or otherwise make available the Licensed Products (in any form) to any other person without Data8’s prior written consent, 7.2.5 permit any other person or company (including their related or associated companies) to use the Licensed Products without Data8’s prior written consent, 7.2.6 use the Licensed Products for the business purposes of any other person (either conventionally or on the internet, an intranet or an extranet), 7.2.7 do anything which adversely affects or damages Data8’s interests or the interests of Data8’s related or associated companies or of any of the Data Providers, including ownership interests in the Licensed Products.
Plan
Pay$0
You get100 credits
Enough for50 calls, once
Expires14 days, the free trial’s length
Rate limit
Batch1
Speed
Answerin the call
The call
You sendtelephoneNumber, defaultCountry, options.IncludeUSStatus true. Optional: options.RequiredCountry, options.AllowedPrefixes, options.BarredPrefixes, options.TreatUnavailableMobileAsInvalid, options.ExcludeUnlikelyNumbers, options.DefaultFormatType, options.DifferentFormatCountries, options.DifferentFormatType, options.UseLocalFormatting, options.EndUserIPAddress, options.CustomFormatCountries, options.ApplicationName
MethodPOST
Path/PhoneValidation/IsValid.json
About the plan
PlanFree trial
Who can get itbusinesses, for their own internal business purposes
The 10 fields the plan's answer can hold

success, credits remaining, telephone number, validation result, validation level, number type, location, provider, country code, country name

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