# SMSFactor, top-up from €0.01: Phone validation API

> Get information about any number like its validity, wether it is currently active in a mobile network, and if so, wich one. You can also know if the number is in roaming mode, or if it is ported to another operator.

SMSFactor's phone validation API on its HLR Lookup plan. It costs $11.253 per 1,000 phones. It returns 5 of the 9 key fields we check: Number, Validity, Carrier, Porting and roaming, Place.
€10.00 per 1,000 phones is $11.253 at the European Central Bank's rate of $1.1253 for €1.
Half of the 722 plans we rank by price cost $2.98 per 1,000 phones or less. This plan costs less per 1,000 phones than 19% of the 722 plans.
[Botoi's $199 monthly plan](https://datacircle.dev/validate-phone-apis/botoi/199-monthly/llms.txt) 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](https://datacircle.dev/validate-phone-apis/data247/12-pack-membership-get-v3-0-verify247-phone/llms.txt), [Foxentry](https://datacircle.dev/validate-phone-apis/foxentry/top-up-pay-as-you-go-post-phone-validate-validate-phone-number-extended/llms.txt) and [Abstract API](https://datacircle.dev/validate-phone-apis/abstract-api/19-monthly-starter-5000-requests-month/llms.txt) are the best phone validation API providers in our benchmark.

- This page: https://datacircle.dev/validate-phone-apis/smsfactor/top-up-from-0-01
- [Best phone validation API in 2026: providers compared](https://datacircle.dev/best-phone-validation-api.txt)
- Get it: https://www.smsfactor.com/tarifs-hlr-lookup?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Request: `POST https://api.smsfactor.com/lookup`
- API key: with the plan, on https://www.smsfactor.com/tarifs-hlr-lookup?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Its API docs: https://dev.smsfactor.com/en/api/hlr?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Sold by: SMSFactor (https://www.smsfactor.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing)
- Checked: 2026-11-03

## In the answer

- Completeness: 56%
- Number: ✓
- Validity: ✓
- Carrier: ✓
- Porting and roaming: ✓
- Place: ✓

## Price

- $ per 1,000 phones: $11.253
- Per: result
- Billing: pay first

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## In their words

- Their pitch: Get information about any number like its validity, wether it is currently active in a mobile network, and if so, wich one. You can also know if the number is in roaming mode, or if it is ported to another operator.

## Data

- Freshness: live
- Countries: France
- What it checks: carrier, line in service
- Keep data: no limit
- Use data: "The Client undertakes to use the Services with discernment, in compliance with the laws in force in France. As such, the Client is solely responsible for the use he makes of the Recipient's telephone number, and in particular undertakes to have obtained his informed consent before sending him the content of the message, in accordance with the regulations in force."

## Plan

- Pay: €0.01

## Speed

- Answer: in the call

## The call

- You send: lookup.to
- Method: POST
- Path: /lookup

## About the plan

- Plan: HLR Lookup
- Who can get it: any person who, in a professional capacity, wishes to make a purchase

## The 17 fields the plan's answer can hold

phone number, MCC/MNC, IMSI, carrier, network prefix, country, country prefix, ported, roaming, status, status description, detailed status, error ID, error description, error permanent, credits spent, credits left

## SMSFactor's plans (1)

- [SMSFactor, top-up from €0.01](https://datacircle.dev/validate-phone-apis/smsfactor/top-up-from-0-01/llms.txt): $11.253 per 1,000, 56% complete, live

## SMSFactor's calls (1)

- `POST /lookup`: [SMSFactor, top-up from €0.01](https://datacircle.dev/validate-phone-apis/smsfactor/top-up-from-0-01/llms.txt)

## SMSFactor's APIs (1)

- [SMSFactor: phone validation API pricing, 1 plan](https://datacircle.dev/validate-phone-apis/smsfactor/top-up-from-0-01/llms.txt)

## SMSFactor: phone validation API alternatives

- [HLR Lookups, top-up, 1 - 1M, POST /hlr-lookups](https://datacircle.dev/validate-phone-apis/hlr-lookups/top-up-1-1m-post-hlr-lookups/llms.txt): $11.253 per 1,000, 56% complete, live
- [seven.io, top-up, Prepaid balance, GET /api/lookup/hlr](https://datacircle.dev/validate-phone-apis/seven-io/top-up-prepaid-balance-get-api-lookup-hlr/llms.txt): $11.253 per 1,000, 78% complete, live
- [Openapi.com, €25,000 yearly](https://datacircle.dev/validate-phone-apis/openapi-com/25000-yearly/llms.txt): $11.253 per 1,000, 78% complete, live
- [VerificarEmails, €10 pack, MNP: 1,000 Phones, GET /phonemnp/validate/single](https://datacircle.dev/validate-phone-apis/verificaremails/10-pack-mnp-1000-phones-get-phonemnp-validate-single/llms.txt): $11.253 per 1,000, 67% 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 2026-11-03.

- https://dev.smsfactor.com/en/api/hlr?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://en.smsfactor.com/general-terms-of-service?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://www.smsfactor.com/hlr-lookup?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://www.smsfactor.com/tarifs-hlr-lookup?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing