Datacircle

1s2u pricing: phone validation API

Is 1s2u yours? Write to us about this page. We invite selected tool providers to our WhatsApp group.

67% complete: 6 of the 9 key fields we checkSee the 9 fields

$3.50per 1,000 phonesWe haven't run 1s2u through our phone validation API benchmark yet.Half of the 1,097 plans we rank by price cost $2.998 per 1,000 phones or less. This plan costs less per 1,000 phones than 48% of the 1,097 plans.GuGuData's CNY 124 monthly plan is the cheapest paid plan per 1,000 phones. GuGuData's CNY 124 monthly plan charges nothing per call. You get as many phones as GuGuData's rate limit allows.Data247, Abstract API and Foxentry are the best phone validation API providers in the Datacircle benchmark.
Type a number to see the cheapest 1s2u plan for that many phones. The table below then sorts the other plans by what each costs.
Plan: 10,000 HLR one of 1s2u's 4 plans
Call: GET /hlr 1s2u's only call
API: Phone validation API 1s2u's only API

About this item

  • Live. 1s2u checks the phone number you send when you call the API.
  • 6 of the 9 key fields we check. Number, Validity, Type, Carrier, Porting and roaming, Place.
  • A pack you buy once. You pay $35 for 10,000 credits, enough for 10,000 results. Calls stop once your credits run out.
  • One call. You send msisdn to GET /hlr. The call returns whether each number you send is valid.
  • Anyone can get it. Keep data: no API terms. Use data: no API terms.

1s2u: phone validation API alternatives

1s2u alternatives: other phone validation API providers by price

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

This plan1s2u, $35 packVeriphone, $990 yearly, Business, GET /v3/verify, /v3/verify, fullCallerAPI, $1,000 monthly, Enterprise transparency $1,000, GET /api/network-lookup/{phone}HLR Lookups, top-up from €22,500, 7.5M - 10M, POST /mnp-lookupHLR Lookup, £1,350 pack, 500,000 lookups, POST /batches/{id}/sourcejson, Bulk uploads via API
$ per 1,000 phones$3.50$3.30$3.333$3.376$3.600
Completeness67%78%44%44%89%
Billingpay firstyearlymonthlypay firstpay first
Pay$35$990$1,000€22,500£1,350
Enough for10,000 results25,000 calls a month300,000 calls a month7,500,000 calls500,000 results
Freshnesslivelivelivelivelive
Who can get itanyoneanyoneanyone who agrees terms with CallerAPI sales ("Exact terms are set in your agreement")volume of 7.5M - 10M lookups (an individual over 18 or with parental consent, or a business entity)anyone

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-05.

  1. 1s2u.com/hlr_lookup
  2. 1s2u.com/sms-developers
  3. 1s2u.com/terms

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
  • Porting and roaming
  • Place
  • Risk, not in the answer
  • Owner, not in the answer
Price
$ per 1,000 phones$3.50
Perresult
Billingpay first
Aggregators
Aggregatorsnone
Charges
Also pays fornothing else
Overage
Units caphard
In their words
Their pitchHLR Lookups is a global technology to check status of any mobile phone number.
Data
Freshnesslive
CountriesWorldwide
What it checkscarrier, line in service
Keep datano API terms
Use datano API terms
Plan
Pay$35
You get10,000 credits
Enough for10,000 results
Rate limit
Batch30
Speed
Answerin the call
The call
You sendmsisdn
MethodGET
Path/hlr
About the plan
Plan10,000 HLR
Who can get itanyone
The 10 fields the plan's answer can hold

phone number, country, line status, carrier, line type, MCC and MNC, roaming, ported, error code, status

Best GTM APIs