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Cloudmersive pricing and alternatives: phone validation API

Cloudmersive's sitellms.txtBest phone validation API in 2026

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44% complete: 4 of the 9 key fields we checkSee the 9 fields
$0.00per 1,000 phonesWe rank 614 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 Tier one of Cloudmersive's 31 plans
Call: POST /validate/phonenumber/basic Cloudmersive's only call for this API
API: Phone validation API one of Cloudmersive's 2 APIs

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • 4 of the 9 key fields we check. Formats, Validity, Type, Place.
  • Nothing to pay. You get 600 requests a month.
  • One call. You send PhoneNumber to POST /validate/phonenumber/basic. You can also send DefaultCountryCode. The call returns whether the number is valid.
  • Anyone can get it. Keep data: no limit. Use data: with conditions.

Cloudmersive: phone validation API alternatives

The table starts with Cloudmersive's cheapest paid plan. Next come plans from other providers with the price per 1,000 phones closest to Cloudmersive's.

Cloudmersive, $19.99 monthly1Lookup, $1,999 monthly, Enterprise, POST /bulk/jobs, Create a bulk job (type nt_lookup)RealValidito, $1,000 packSilverLining, pay as you goXverify, $1,000 pack
$ per 1,000 phones$1.999$1.999$2.00$2.00$2.00
Completeness44%78%78%44%44%
Billingmonthlymonthlypay firstpay as you gopay first
Pay$19.99$1,999$1,000monthly$1,000
Enough for10,000 calls a month1,000,000 results a month500,000 resultsas many as you pay for500,000 calls
Freshnessunknownunknownunknownunknownlive
Who can get itsmall businesses with fewer than 50 employeesanyone with a business name and a working business email addressself-serve signup in supported regionsanyone with an AWS accountanyone

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 2026-10-27.

  1. api.cloudmersive.com/docs/validate.asp
  2. cloudmersive.com/pricing
  3. cloudmersive.com/pricing-small-business
  4. cloudmersive.com/validate-api
  5. portal.cloudmersive.com/terms-of-service.aspx

Product details

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

  • Number, not in the answer
  • Formats
  • Validity
  • Type
  • Carrier, not in the answer
  • 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: 543 other calls
Not found
$ per 1,000$0.00
In their words
Their pitchValidate and retrieve information for any phone number.
Data
CountriesWorldwide
What it checksnumbering plan
Keep datano limit
Use dataWhen using the APIs, you may not (or allow those acting on your behalf to): Sublicense an API for use by a third party. Consequently, you will not create an API Client that functions substantially the same as the APIs and offer it for use by third parties. [...] Reverse engineer or attempt to extract the source code from any API or any related software, except to the extent that this restriction is expressly prohibited by applicable law. [...] Perform load testing on Cloudmersive services. Perform penetration testing on Cloudmersive services. [...] You will comply with all applicable privacy laws and regulations including those applying to PII. [...] You agree to comply with all applicable laws, regulations, and third-party rights, including without limitation those relating to data privacy, intellectual property, export controls, and AI regulatory requirements. [...] You shall not use the APIs to monitor or measure availability, performance, accuracy, or functionality for benchmarking or competitive analysis, and you shall not publish, disclose, or otherwise make available any results of benchmark, performance, or evaluation testing of the APIs without Cloudmersive's prior written consent.
Plan
Pay$0
You get600 requests a month
Enough for600 calls a month
Rate limit
Per second1
Concurrent1
Batch1
Speed
Answerin the call
The call
You sendPhoneNumber. Optional: DefaultCountryCode
MethodPOST
Path/validate/phonenumber/basic
About the plan
PlanFree Tier
Who can get itanyone
The 8 fields the plan's answer can hold

valid, successful, phone type, E.164 format, international format, national format, country code, country

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