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Vonage pricing and alternatives: phone validation API, POST /requests, Format insight

Vonage's sitellms.txtBest phone validation API in 2026

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67% complete: 6 of the 9 key fields we checkSee the 9 fields
$0.00per 1,000 phonesHalf of the 614 plans we rank by price cost $2.476 per 1,000 phones or less. This plan and 4 others tie for the lowest price per 1,000 phones of the 614 plans.Data247, Abstract API and Listar are the best phone validation API providers in our benchmark.
Plan: Pay per Request one of Vonage's 2 plans
Call: POST /requests, Format insight one of Vonage's 3 calls
API: Phone validation API Vonage's only API

About this item

  • Stored. Vonage may answer from Vonage's stored data instead of asking the carrier. Vonage doesn't say how old the data is.
  • 6 of the 9 key fields we check. 4 are in the plan's price: Number, Formats, Validity, Place. 2 cost extra: Type, Carrier.
  • A balance you top up. You pay any amount. You spend the whole balance on calls.
  • One call. You send phone_number and insights.format to POST /requests. You can also send purpose. The call returns whether the number is valid.
  • Who can get it: organizations, or individuals acting mainly for business purposes. Keep data: with conditions. Use data: with conditions.

Vonage: phone validation API alternatives

We list other providers' plans closest to this plan in price per 1,000 phones. Each plan in the table gives stored data.

This planVonage, top-up, Pay per Request, POST /requests, Format insightHLR Lookups, free, 100 free lookups, POST /nt-lookupsCallerAPI, free trial, GET /api/lookup/{phone}seven.io, free, GET /api/lookup/formatHLR Lookup, free, 200 free credits, POST /apiv2/validate
$ per 1,000 phones$0.00$0.00$0.00$0.00$0.00
Completeness67%67%78%56%56%
Billingpay firstfreefreefreefree
Payany amount$0$0$0$0
Enough forno limit100 results, once100 callsnot publishednot published
Freshnessstoredstoredstoredstoredstored
Who can get itorganizations, or individuals acting mainly for business purposesnew accountsanyone can apply: "our AI scores your profile and decides to give it to you or not. Or maybe you'll need to jump on a call with us to discuss it further"any seven account, traders only: the customer assures that he is a trader and that the short messages are sent as part of his businessnew accounts with a business email address

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. developer.vonage.com/api/v1/developer/api/file/identity-insights?format=yml
  2. developer.vonage.com/en/account/guides/payments
  3. developer.vonage.com/en/api/identity-insights
  4. developer.vonage.com/en/identity-insights/guides/format
  5. developer.vonage.com/en/identity-insights/guides/number-insights-transition
  6. developer.vonage.com/en/identity-insights/overview
  7. developer.vonage.com/en/number-insight/overview
  8. developer.vonage.com/llms.txt
  9. vonage.co.uk/communications-apis/identity-insights/pricing/
  10. vonage.com/legal/communications-apis/supplemental-terms/identity-insights/
  11. vonage.com/legal/communications-apis/terms-of-use/

Product details

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

  • Number
  • Formats
  • Validity
  • Typecosts more
  • Carriercosts more
  • 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
Billingpay first
Aggregators
Aggregatorsnone
Charges
Extra fieldsoriginal carrier, original line type, original carrier country code, original MCC-MNC: +$1.17 · current carrier, current line type, current carrier country code, current MCC-MNC: +$8.19
Also pays forfrom the same budget: Identity Insights API SIM Swap insight · Identity Insights API Subscriber Match insight · every Vonage API ("our APIs", paid from the account balance)
In their words
Their pitchThe Vonage Identity Insights API provides real-time access to a broad range of attributes related to the carrier, subscriber, or device associated with a phone number.
Data
Freshnessstored
CountriesWorldwide
What it checksnumbering plan
Keep dataas Vonage's Identity Insights supplemental terms set, whose text its site doesn't serve
Use databusiness use only, the service not resold except within your own application, and as Vonage's Identity Insights supplemental terms set, whose text its site doesn't serve
Plan
Enough forno limit
Rate limit
Batch1
Speed
Answerin the call
The call
You sendphone_number, insights.format. Optional: purpose
MethodPOST
Path/requests
About the plan
PlanPay per Request
Who can get itorganizations, or individuals acting mainly for business purposes
The 11 fields the plan's answer can hold

request ID, country code, country, country calling code, location, time zone, E.164 format, local format, valid, data status, status message

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