Datacircle

GBG pricing: phone validation API

GBG's siteThis page as plain textPhone validation API in 2026: the best of 60+ comparedGBG: phone validation API alternatives

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33% complete: 3 of the 9 fields on our checklistSee the 9 fields
Contact usWe haven't run GBG through our phone validation API benchmark yet.GBG gives this plan's price on request. We rank 1,342 plans for phone validation APIs by price. Half the plans cost $3.867 or less per 1,000 phones.GuGuData's CNY 124 (about $19) monthly plan is the cheapest paid plan per 1,000 phones. GuGuData's CNY 124 (about $19) monthly plan charges nothing per call. You get as many phones as GuGuData's rate limit allows. Keyronne's pay-as-you-go plan costs the least for 10,000 phones a month: $0.20.Trestle, Signal House and Data247 are the best phone validation API providers in the Datacircle benchmark.
Type a number to see the cheapest GBG plan for that many phones. The table below then sorts the other plans by what each costs.
Plan: Contact sales GBG's only plan
Call: POST /journey/start GBG's only call for this API
API: Phone validation API one of GBG's 4 APIs

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • 3 of the 9 fields on our checklist. Number, Validity, Porting and roaming.
  • No public price. You ask GBG for one.
  • One call. You call POST /journey/start with the inputs in Product details. The call returns whether the number is valid.
  • Who can get it: GBG Go customers, who create their API client in the Account management portal. Keep data: no limit. Use data: with conditions.

GBG: phone validation API alternatives

GBG alternatives: other phone validation API providers by price

We list other providers' plans with no public price. These plans come closest to this plan in number of key fields.

This planGBG, contact usTrestle, contact us, Enterprise, GET /2.0/real_contact, Real Contact APITPSClear, contact us, 1,000,000+ washesDatabar, contact usGuGuData, contact us, Pay per call, GET /sms/mobileattribution
Completeness33%33%33%33%33%
Billingcontactcontactcontactcontactcontact
Freshnessunknownstoredunknownstoredunknown
Who can get itGBG Go customers, who create their API client in the Account management portalcompanies, with a business email addressanyone with an account that names the business it screens numbers for (a live key needs the business name)businesses, universities and other organizations, not consumersanyone with a GuGuData account, a person or an organization

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-10.

  1. docs.go.gbgplc.com/docs/go-v2/api-reference/endpoint/start-journey
  2. docs.go.gbgplc.com/docs/go-v2/api-reference/overview
  3. docs.go.gbgplc.com/docs/go-v2/platform/modules/digital-identities-insights/phone-insights
  4. docs.go.gbgplc.com/docs/go-v2/tutorials/run-journeys-synchronously
  5. gbg.com
  6. gbg.com/en/contact/
  7. gbgplc.com/legal-and-regulatory/agreement-for-gbg-services/investigate-api-service-schedule

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, not in the answer
  • Carrier, not in the answer
  • Porting and roaming
  • Place, not in the answer
  • Risk, not in the answer
  • Owner, not in the answer
Price
Billingcontact
Aggregators
Aggregatorsnone
In their words
Their pitchVerify and risk-assess phone numbers in GBG Go using identity matching, fraud indicators such as SIM swap and call forwarding, and country-specific mobile checks.
Data
CountriesUnited States
Keep datano limit
Use dataThe Customer shall use the Service only for the Customer Use Case selected and specified in the Order Form.
Rate limit
Batch1
Speed
Answerin the call
The call
You sendresourceId, context.config.delivery "api", context.config.inlineResult true, context.subject.identity.phones[].type, context.subject.identity.phones[].number. Optional: context.config.syncWaitSeconds, context.subject.identity.firstName, context.subject.identity.lastNames, context.subject.identity.dateOfBirth, context.subject.identity.emails[].type, context.subject.identity.emails[].email, context.subject.identity.currentAddress.lines, context.subject.identity.currentAddress.locality, context.subject.identity.currentAddress.dependentLocality, context.subject.identity.currentAddress.postalCode, context.subject.identity.currentAddress.country
MethodPOST
Path/journey/start
About the plan
PlanContact sales
Who can get itGBG Go customers, who create their API client in the Account management portal
The 10 fields the plan's answer can hold

outcome, account verification result, account status, account type, device change event, number change event, ported change event, SIM swap change event, status change event, mobile ID age alert

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