# Neutrino API, contact us: Phone validation API

> The HLR Lookup API is used to connect to the global mobile cellular network and retrieve the status of a mobile phone number

Neutrino API's phone validation API on its 1M+ plan.

- This page: https://datacircle.dev/validate-phone-apis/neutrino-api/contact-us
- Get it: https://www.neutrinoapi.com/plans/
- Its API docs: https://www.neutrinoapi.com/api/hlr-lookup/
- Sold by: Neutrino API (https://www.neutrinoapi.com)
- Checked: 2026-10-14

## Price

- Billing: contact

## In their words

- Their pitch: The HLR Lookup API is used to connect to the global mobile cellular network and retrieve the status of a mobile phone number

## Data

- Freshness: live
- Keep data: no limit
- Use data: any, 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

## Rate limit

- Per second: 20
- Concurrent: 50
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: number, country-code
- Method: GET
- Path: /hlr-lookup

## About the plan

- Plan: 1M+
- Who can get it: anyone 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

## Neutrino API's plans (2)

- [Neutrino API, pay as you go](https://datacircle.dev/validate-phone-apis/neutrino-api/pay-as-you-go/llms.txt): $7.00 per 1,000, live
- [Neutrino API, contact us](https://datacircle.dev/validate-phone-apis/neutrino-api/contact-us/llms.txt): live

## Neutrino API's calls (1)

- `GET /hlr-lookup`: [Neutrino API, contact us](https://datacircle.dev/validate-phone-apis/neutrino-api/contact-us/llms.txt)

## Similar plans of other providers

- [Byteplant, contact us](https://datacircle.dev/validate-phone-apis/byteplant/contact-us/llms.txt): live
- [HLR Lookup, contact us](https://datacircle.dev/validate-phone-apis/hlr-lookup/contact-us/llms.txt): live
- [RealPhoneValidation, contact us, Enterprise & platform integrations](https://datacircle.dev/validate-phone-apis/realphonevalidation/contact-us-enterprise-platform-integrations/llms.txt): live
- [Telnyx, contact us](https://datacircle.dev/validate-phone-apis/telnyx/contact-us/llms.txt): live

## Sources

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

- https://www.neutrinoapi.com/api/api-basics/
- https://www.neutrinoapi.com/api/api-errors/
- https://www.neutrinoapi.com/api/email-verify/
- https://www.neutrinoapi.com/api/hlr-lookup/
- https://www.neutrinoapi.com/api/openapi-3.1.json
- https://www.neutrinoapi.com/plans/
- https://www.neutrinoapi.com/pricing/
- https://www.neutrinoapi.com/terms-and-conditions/