Work in progress Learn More

Datacircle

SerwerSMS pricing: phone validation API, POST /phones/lookup

Is SerwerSMS yours? Write to us about this page. We invite selected tool providers to our WhatsApp group.

44% complete: 4 of the 9 key fields we checkSee the 9 fields

$0.00per 1,000 phonesWe haven't run SerwerSMS through our phone validation API benchmark yet.This plan is free. We rank 888 plans for phone validation APIs by price. Half the plans cost $3.376 per 1,000 phones or less.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, Foxentry and HLR Lookups are the best phone validation API providers in the Datacircle benchmark.
Plan: Free trial one of SerwerSMS's 7 plans
Call: POST /phones/lookup one of SerwerSMS's 3 calls
API: Phone validation API SerwerSMS's only API

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • 4 of the 9 key fields we check. Number, Validity, Carrier, Porting and roaming.
  • Nothing to pay.
  • One call. You send phone to POST /phones/lookup. You can also send id. The call returns the answer when the provider is quick. When the provider is slow, the call returns a job. You fetch the answer once the job is done.
  • Who can get it: entrepreneurs: its terms define a Subscriber as an entrepreneur. Keep data: no limit. Use data: with conditions.

SerwerSMS: phone validation API alternatives

SerwerSMS alternatives: every phone validation API provider ranked

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

SerwerSMS, top-up from PLN 50, Prepaid, POST /phones/lookupProWebLook, $76.70 yearly, WhatsApp Annual 500, GET /wavalidationKendo, $129 monthlyVeriphone, $12.99 monthly, Starter, GET /v3/verify, /v3/verify, fullSignalWire, top-up from $5, Prepaid balance, GET /api/relay/rest/lookup/phone_number/{e164_number}, Look up phone number, full
$ per 1,000 phones$12.876$12.783$12.90$12.99$13.00
Completeness44%67%22%78%67%
Billingpay firstyearlymonthlymonthlypay first
PayPLN 50$76.70$129$12.99$5
Enough foras many as you pay for500 calls a month10,000 calls a month1,000 calls a monthabout 384 calls
Freshnessunknownlivestoredlivelive
Who can get itentrepreneurs: its terms define a Subscriber as an entrepreneuranyoneanyone 18 or over with authority to bind the company or business the account is foranyoneanyone with a SignalWire space and a payment method, new accounts stay in Trial mode until at least $5 of credit is added

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-04.

  1. dev.serwersms.pl/https-api-v2
  2. dev.serwersms.pl/https-api-v2/autoryzacja
  3. dev.serwersms.pl/https-api-v2/hlr-lookup-sprawdzanie-przynaleznosci-numeru-do-sieci
  4. docs.serwersms.pl/SerwerSMS_term_of_use.pdf
  5. en.serwersms.pl/pricing
  6. en.serwersms.pl/services/checking-numbers
  7. serwersms.pl/cennik/cennik-pre-paid

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
  • 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
Billingfree
Aggregators
Aggregatorsnone
Charges
Also pays forSending SMS messages with the same content: 100 free messages
Not found
$ per 1,000$0.00
In their words
Their pitchA simplified version of registry access that allows you to verify network membership.
Data
CountriesWorldwide
What it checksnumbering plan, carrier
Keep datano limit
Use dataSubscriber shall not be entitled irrespective of the technical means used to enable third parties to use Serwer SMS or to use Serwer SMS for third parties needs in any other way than described in the paragraph 2. [...] It is forbidden to share account to third parties, unless the Account is used by an authorized employee or associate of the Subscriber.
Plan
Pay$0
Expires14 days
Rate limit
Batch1
Speed
Answerin the call or by polling
The call
You sendphone. Optional: id
MethodPOST
Path/phones/lookup
About the plan
PlanFree trial
Who can get itentrepreneurs: its terms define a Subscriber as an entrepreneur
The 6 fields the plan's answer can hold

phone number, status, IMSI, original network, ported, current network

Best GTM APIs