# Sigma SMS, contact us, HLR lookups: Phone validation API

> Проверка состояния мобильного номера по базам операторов.

Sigma SMS's phone validation API on its HLR lookups plan. It costs $17.909 per 1,000 phones. Sigma SMS's docs list 3 of the 9 key fields we check: Number, Validity, Porting and roaming.
₽1,500.00 per 1,000 phones is $17.909 at the Bank of Russia's rate of $0.011939 for ₽1.
We haven't run Sigma SMS through [our phone validation API benchmark](https://datacircle.dev/best-phone-validation-api.txt) 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 16% of the 1,097 plans.
[GuGuData's CNY 124 monthly plan](https://datacircle.dev/validate-phone-apis/gugudata/cny-124-monthly/llms.txt) 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](https://datacircle.dev/validate-phone-apis/data247/12-pack-membership-get-v3-0-verify247-phone/llms.txt), [Abstract API](https://datacircle.dev/validate-phone-apis/abstract-api/19-monthly-starter-5000-requests-month/llms.txt) and [Foxentry](https://datacircle.dev/validate-phone-apis/foxentry/top-up-pay-as-you-go-post-phone-validate-validate-phone-number-extended/llms.txt) are the best phone validation API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/validate-phone-apis/sigma-sms/contact-us-hlr
- [Phone validation API: the best of 40+ providers compared](https://datacircle.dev/best-phone-validation-api.txt)
- Get it: https://sigmasms.ru/hlr/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Request: Docs behind sign-up, HLR
- API key: with the plan, on https://sigmasms.ru/hlr/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Its API docs: https://sigmasms.ru/hlr/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Sold by: Sigma SMS (https://sigmasms.ru?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing)
- Checked: 2026-11-05

## In the answer

- Completeness: 33%
- Number: ✓
- Validity: ✓
- Porting and roaming: ✓

## Price

- $ per 1,000 phones: $17.909
- Per: call
- Billing: contact

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## In their words

- Their pitch: Проверка состояния мобильного номера по базам операторов.

## Data

- Freshness: live
- What it checks: carrier, line in service
- Keep data: no API terms
- Use data: no API terms

## The call

- You send: Docs behind sign-up

## About the plan

- Plan: HLR lookups
- Who can get it: anyone who registers on sigmasms.ru: a manager gets in touch within an hour and sends the connection instructions, a person tops up the balance by bank card, a company is invoiced for payment by bank transfer

## The 6 fields the plan's answer can hold

number status, current operator, registration region, roaming, number ported, last activity date

## Sigma SMS's plans (2)

- [Sigma SMS, contact us, HLR lookups](https://datacircle.dev/validate-phone-apis/sigma-sms/contact-us-hlr/llms.txt): $17.909 per 1,000, 33% complete, live
- [Sigma SMS, contact us, MNP](https://datacircle.dev/validate-phone-apis/sigma-sms/contact-us-mnp/llms.txt): $0.358 per 1,000, 0% complete

## Sigma SMS's calls (2)

- Docs behind sign-up, HLR: [Sigma SMS, contact us, HLR lookups](https://datacircle.dev/validate-phone-apis/sigma-sms/contact-us-hlr/llms.txt)
- Docs behind sign-up, MNP: [Sigma SMS, contact us, MNP](https://datacircle.dev/validate-phone-apis/sigma-sms/contact-us-mnp/llms.txt)

## Sigma SMS's APIs (1)

- [Sigma SMS: phone validation API pricing, 2 plans](https://datacircle.dev/validate-phone-apis/sigma-sms/contact-us-hlr/llms.txt)

## Sigma SMS: phone validation API alternatives

- [SMSC.ru, top-up from ₽10,000, Tariff plan 5, Russia, all operators](https://datacircle.dev/validate-phone-apis/smsc-ru/top-up-from-10000-tariff-plan-5-russia-all-operators/llms.txt): $17.909 per 1,000, 56% complete, live
- [GREENSMS, top-up, HLR lookup: other countries](https://datacircle.dev/validate-phone-apis/greensms/top-up-hlr-2/llms.txt): $17.909 per 1,000, 33% complete, live
- [MTS Exolve, top-up, Basic: from 750,001 to 1,000,000 requests a month](https://datacircle.dev/validate-phone-apis/mts-exolve/top-up-750-001-1-000-000/llms.txt): $17.909 per 1,000, 11% complete, live
- [Listar, top-up from €10,000, Gold, POST /search/verify-whatsapp](https://datacircle.dev/validate-phone-apis/listar/top-up-from-10000-gold-post-search-verify-whatsapp/llms.txt): $18.005 per 1,000, 22% complete, live

## 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.

- https://sigmasms.ru/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://sigmasms.ru/faq?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://sigmasms.ru/hlr/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://sigmasms.ru/mnp/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://user.sigmasms.ru/documentation/api/HTTP-REST?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing