Datacircle
Phone validation API

Neutrino API, pay as you go

Neutrino API's sitellms.txt
$7.00per 1,000 phonesThe median plan costs $3.313 per 1,000. This plan costs less than 23% of the 97 priced plans.
Plan: 0-1M one of Neutrino API's 2 plans
Call: GET /hlr-lookup Neutrino API's only call

About this item

  • Live. The call checks the number when you make it.
  • Nothing to buy first: you pay as you go. You pay monthly.
  • One call. You send number, country-code to GET /hlr-lookup. The call returns whether the number is valid.
  • Who can get it: anyone paying by Visa, Mastercard or SWIFT. Keep data: no limit. Use data: with conditions.

Compare with similar plans

Other providers' plans with the closest prices per 1,000. Like this plan, each is live.

This planNeutrino API, pay as you goTwilio, top-upRealPhoneValidation, freeTelnyx, $5,000 monthlyHLR Lookup, $16.57 pack
$ per 1,000$7.00$0.00$0.00$1.50$6.628
Billingpay as you gopay firstfreemonthlypay first
Paymonthlyany amount$0$5,000$16.57
Enough foras many as you pay forno limit100 calls, oncenot published2,500 results
Freshnesslivelivelivelivelive
Who can get itanyone paying by Visa, Mastercard or SWIFTbusinesses and professionals onlyverifiable businesses, one trial a company, not with a free email addressorganization owners of accounts qualified for Enterprise by Telnyx's sales teamanyone

Sources

From each provider's own pricing page and docs. We read this row from these pages on 2026-10-14.

  1. neutrinoapi.com/api/api-basics/
  2. neutrinoapi.com/api/api-errors/
  3. neutrinoapi.com/api/email-verify/
  4. neutrinoapi.com/api/hlr-lookup/
  5. neutrinoapi.com/api/openapi-3.1.json
  6. neutrinoapi.com/plans/
  7. neutrinoapi.com/pricing/
  8. neutrinoapi.com/terms-and-conditions/

Product details

We list each column of this plan's row on the sheet that has a value.

Price
$ per 1,000$7.00
Billingpay as you go
Charges
Percall
Not found
$ per 1,000$0.00
In their words
Their pitchThe HLR Lookup API is used to connect to the global mobile cellular network and retrieve the status of a mobile phone number
Data
Freshnesslive
Keep datano limit
Use dataany, derivative products too, bulk data (more than one record, stored responses included) not distributed, resold or transferred beyond the licensee, access only for the licensee, its employees, contractors and vendors, nothing unlawful
Plan
Paymonthly
Rate limit
Per second20
Concurrent50
Batch1
Speed
Answerin the call
The call
You sendnumber, country-code
MethodGET
Path/hlr-lookup
About the plan
Plan0-1M
Who can get itanyone paying by Visa, Mastercard or SWIFT
The 27 fields in the plan's answer

valid, HLR valid, HLR status, mobile, ported, roaming, IMSI, mobile country code, mobile network code, MSIN, serving MSC, carrier, original carrier, ported carrier, network tags, line type, location, country, country code, country ISO3 code, currency code, roaming country code, country calling code, international format, local format, error code, error message