Datacircle

SMSBOX pricing: phone validation API

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

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44% complete: 4 of the 9 fields on our checklistSee the 9 fields
$0.00per 1,000 phonesWe haven't run SMSBOX through our phone validation API benchmark yet.This plan is free. We rank 1,342 plans for phone validation APIs by price. Half the plans cost $3.867 or less per 1,000 phones. See the best free phone validation API plan.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 SMSBOX plan for that many phones. The table below then sorts the other plans by what each costs.
Plan: Free test credits one of SMSBOX's 9 plans
Call: GET /v1/hlr SMSBOX's only call
API: Phone validation API SMSBOX's only API

About this item

  • Live. SMSBOX checks the phone number you send when you call the API.
  • 4 of the 9 fields on our checklist. Number, Validity, Type, Porting and roaming.
  • Nothing to pay. You get 8 credits, enough for 32 calls.
  • One call. You send number to GET /v1/hlr. The call returns whether the number is valid.
  • Who can get it: new customers, once only (free account, no credit card). Keep data: no API terms. Use data: no API terms.

SMSBOX: phone validation API alternatives

SMSBOX alternatives: other phone validation API providers by price

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

SMSBOX, top-up from €3,200SMSC.ru, top-up from ₽10,000, Tariff plan 5, Russia, all operatorsSMSC.kz, top-up from ₸15,000, Tariff plan 3, Russia, all operatorsListar, top-up from €10,000, Gold, POST /search/verify-whatsappOpenapi.com, €10,000 yearly
$ per 1,000 phones$18.005$17.909$17.945$18.005$18.005
Completeness44%56%56%22%78%
Billingpay firstpay firstpay firstpay firstyearly
Pay€3,200₽10,000₸15,000€10,000€10,000
Enough for200,000 callsas many as you pay foras many as you pay for625,000 results625,000 calls a year
Freshnesslivelivelivelivelive
Who can get itanyone (natural person or legal entity)any legal entity or individual entrepreneur (the public offer's ЗАКАЗЧИК)any legal entity or individual entrepreneur (the public offer's ЗАКАЗЧИК)anyone whose cumulative spend on credits has reached €10,000 excl. taxanyone acting in the course of their business, entrepreneurial or professional activity

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-08.

  1. smsbox.be/docs/openapi.yaml
  2. smsbox.be/en/api-documentation
  3. smsbox.be/en/api-documentation/reference
  4. smsbox.be/en/number-validation
  5. smsbox.be/en/sms-prices
  6. smsbox.be/en/specific-terms
  7. smsbox.be/en/terms-and-conditions
  8. smsbox.be/en/test-credits
  9. smsbox.be/hlr-lookup

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, not in the answer
  • Porting and roaming
  • Place, not in the answer
  • 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: Send SMS message (V2) · Send WhatsApp Business message (on request) · Send a voice message · Send OTP (V2) · Send a Microsoft Teams message
Not found
$ per 1,000$0.00
In their words
Their pitchClean up your database and remove invalid or unavailable numbers with Number Validation.
Data
Freshnesslive
What it checkscarrier, line in service
Keep datano API terms
Use datano API terms
Plan
Pay€0
You get8 credits
Enough for32 calls
Rate limit
Batch1
Speed
Answerin the call
The call
You sendnumber
MethodGET
Path/v1/hlr
About the plan
PlanFree test credits
Who can get itnew customers, once only (free account, no credit card)
The 22 fields the plan's answer can hold

result code, issuing network verified, issuing network time zone, issuing network location, issuing network name, issuing network country code, issuing network area, home network verified, home network time zone, home network location, home network name, home network country code, home network area, line type, MSISDN, error code, error text, status, MCCMNC, ported, roaming, phone number

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