# Affiliate SMS, free: Phone validation API

> Cleaning databases of unavailable and inactive numbers ensures increases conversion rates and accurate marketing campaigns

Affiliate SMS's phone validation API on its Free trial credit plan. It costs $0.00 per 1,000 phones. It returns 4 of the 9 key fields we check: Number, Validity, Carrier, Porting and roaming.
We haven't run Affiliate SMS through [our phone validation API benchmark](https://datacircle.dev/best-phone-validation-api.txt) yet.
This plan is free. We rank 888 plans for phone validation APIs by price. Half the plans cost $3.376 per 1,000 phones or less.
[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 [HLR Lookups](https://datacircle.dev/validate-phone-apis/hlr-lookups/top-up-1-1m-post-hlr-lookup/llms.txt) are the best phone validation API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/validate-phone-apis/affiliate-sms/free
- [Phone validation API: 40+ providers compared](https://datacircle.dev/best-phone-validation-api.txt)
- Get it: https://affiliate-sms.com/pricing/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Request: `PUT https://api.affiliate-sms.com/hlr/create`
- API key: with the plan, on https://affiliate-sms.com/pricing/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Its API docs: https://affiliate-sms.com/documentations/rest-api/hlr/request-an-hlr/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Sold by: Affiliate SMS (https://affiliate-sms.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing)
- Checked: 2026-11-02

## In the answer

- Completeness: 44%
- Number: ✓
- Validity: ✓
- Carrier: ✓
- Porting and roaming: ✓

## Price

- $ per 1,000 phones: $0.00
- Billing: free

## Aggregators

- Aggregators: none

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Cleaning databases of unavailable and inactive numbers ensures increases conversion rates and accurate marketing campaigns

## Data

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

## Plan

- Pay: $0
- You get: 100 credits

## Speed

- Answer: by polling or webhook

## The call

- You send: msisdn, reference, content-type header "multipart/form-data". Optional: tariff, callback_url
- Method: PUT
- Path: /hlr/create

## About the plan

- Plan: Free trial credit
- Who can get it: anyone who registers an account, promotional credits are given at the discretion of Affiliate-SMS

## The 9 fields the plan's answer can hold

request ID, reference, phone number, network MCC-MNC, status, ported, roaming, created at, status updated at

## Affiliate SMS's plans (2)

- [Affiliate SMS, free](https://datacircle.dev/validate-phone-apis/affiliate-sms/free/llms.txt): $0.00 per 1,000, 44% complete
- [Affiliate SMS, contact us](https://datacircle.dev/validate-phone-apis/affiliate-sms/contact-us/llms.txt): 44% complete

## Affiliate SMS's calls (1)

- `PUT /hlr/create`: [Affiliate SMS, free](https://datacircle.dev/validate-phone-apis/affiliate-sms/free/llms.txt)

## Affiliate SMS's APIs (1)

- [Affiliate SMS: phone validation API pricing, 2 plans](https://datacircle.dev/validate-phone-apis/affiliate-sms/free/llms.txt)

## Affiliate SMS: phone validation API alternatives

- [Foxentry, free trial, POST /phone/validate, Validate phone number (basic)](https://datacircle.dev/validate-phone-apis/foxentry/free-trial-post-phone-validate-validate-phone-number-basic/llms.txt): $0.00 per 1,000, 56% complete, stored
- [HLR Lookups, free, 100 free lookups, POST /nt-lookups](https://datacircle.dev/validate-phone-apis/hlr-lookups/free-100-free-lookups-post-nt-lookups/llms.txt): $0.00 per 1,000, 67% complete, stored
- [Abstract API, free](https://datacircle.dev/validate-phone-apis/abstract-api/free/llms.txt): $0.00 per 1,000, 89% complete, 1 day
- [seven.io, free test credit, GET /api/lookup/hlr](https://datacircle.dev/validate-phone-apis/seven-io/free-test-credit-get-api-lookup-hlr/llms.txt): $0.00 per 1,000, 78% complete, live
- [Accurate Append, free](https://datacircle.dev/validate-phone-apis/accurate-append/free/llms.txt): $0.00 per 1,000, 44% complete

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-02.

- https://affiliate-sms.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://affiliate-sms.com/documentations/rest-api/hlr/request-an-hlr/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://affiliate-sms.com/documentations/rest-api/hlr/retrieving-the-information-about-the-hlr-request/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://affiliate-sms.com/documentations/rest-api/hlr/sending-the-information-about-hlr-to-the-specified-url/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://affiliate-sms.com/pricing/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://affiliate-sms.com/privacy-policy/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://affiliate-sms.com/products/number-cleansing/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing