# Tamz, free: Phone validation API

> Valida se cada número de um lead tem WhatsApp (via Evolution). Envie 1 lead com até 10 números, aceita formato livre (com/sem 55, com/sem o 9, máscara, 0 de discagem). Fixo também pode ter WhatsApp.

Tamz's Free plan for the phone validation API costs $0.00 per 1,000 phones. Tamz's docs list 2 of the 9 fields on our checklist: Number, Validity.
We haven't run Tamz through [our phone validation API benchmark](https://datacircle.dev/best-phone-validation-api.txt) yet.
This plan is free. We rank 1,143 plans for phone validation APIs by price. Half the plans cost $2.998 per 1,000 phones or less. [See how many phone validation API plans are free.](https://datacircle.dev/best-phone-validation-api.txt)
[GuGuData's CNY 124 (about $19) 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 (about $19) monthly plan charges nothing per call. You get as many phones as GuGuData's rate limit allows.
[Trestle](https://datacircle.dev/validate-phone-apis/trestle/top-up-from-10-self-serve-pay-as-you-go-get-3-0-phone-intel-phone-validation-api/llms.txt), [Data247](https://datacircle.dev/validate-phone-apis/data247/12-pack-membership-get-v3-0-verify247-phone/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 the Datacircle benchmark.

- This page: https://datacircle.dev/validate-phone-apis/tamz/free
- [Phone validation API: the best of 40+ providers compared](https://datacircle.dev/best-phone-validation-api.txt)
- Get it: https://tamz.ai/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Request: `POST https://tamz.ai/api/v1/enrichment/whatsapp`
- API key: with the plan, on https://tamz.ai/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Its API docs: https://tamz.ai/developer/docs/enrichment-whatsapp?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Sold by: Tamz (https://tamz.ai?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing)
- Checked: 2026-11-07

## In the answer

- Completeness: 22%
- Number: ✓
- Validity: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Consulta de empresa · Sócios da empresa · Buscar empresas · Autocomplete por nome · Pessoa por email/telefone/LinkedIn · Pessoa por nome + domínio · Pessoas de empresas (ao vivo) · Buscar pessoas · Pessoas da empresa · Buscar sócios · Empresas onde é sócia · Buscar sinais · Só sinais da empresa · Enriquecer empresa · Enriquecer pessoa · E-mail profissional · Reverse PF (CPF/email) · Reverso por e-mail · Reverso por celular · Revelar em lote · Enriquecer em massa · Disparar execução

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Valida se cada número de um lead tem WhatsApp (via Evolution). Envie 1 lead com até 10 números, aceita formato livre (com/sem 55, com/sem o 9, máscara, 0 de discagem). Fixo também pode ter WhatsApp.

## Data

- Freshness: live
- Countries: Brazil
- What it checks: messaging apps
- Keep data: no limit
- Use data: 4.1. A Plataforma destina-se exclusivamente aos seguintes usos legitimos: Confirmacao de identidade — verificar se uma empresa ou profissional existe, esta ativo e e quem alega ser, Background check — analise de antecedentes empresariais e profissionais para fins de admissao, contratacao, parceria comercial ou onboarding KYC/KYB, Analise de seguranca — verificacao de risco de fraude, lavagem de dinheiro, vinculos societarios e exposicao politica (PEP), Due diligence — investigacao previa em transacoes M&A, fornecedores, clientes, distribuidores, Compliance regulatorio — atendimento a obrigacoes legais (Lei 12.846, BACEN, COAF, LGPD). 4.3. [...] o Usuario declara e se compromete a utilizar a Plataforma apenas para consulta e confirmacao de identidade B2B, abstendo-se de qualquer atividade de prospeccao comercial outbound, revenda dos dados ou comunicacao nao solicitada a partir das informacoes consultadas. 5.1. E expressamente vedado utilizar a Plataforma para: Prospeccao comercial outbound (cold call, cold email, SMS, WhatsApp ou qualquer canal) a partir dos dados consultados, Marketing direto, mala-direta, comunicacoes promocionais ou ofertas comerciais sem opt-in previo do titular, Spam, assedio, perseguicao ou comunicacoes em massa nao solicitadas, Tomada de decisao exclusivamente automatizada que afete direitos do titular (concessao de credito, contratacao, escolha de perfil) sem revisao humana — art. 20 LGPD, Discriminacao, perseguicao ou retaliacao baseada em raca, religiao, genero, orientacao politica ou qualquer caracteristica protegida, Scraping, crawling automatizado, web harvesting ou extracao em massa dos dados da Plataforma, Tentativa de identificacao reversa, deanonimizacao ou cruzamento com bases ilicitas, Contornar limites operacionais, fraudar cobranças ou explorar vulnerabilidades, Utilizar dados para fins concorrenciais desleais, espionagem ou fim ilicito. 6.5. O Usuario recebe uma licenca limitada, nao exclusiva, intransferivel e revogavel para utilizar os dados estritamente dentro do escopo permitido (sec. 4) e nos limites do seu plano. 7.1. E expressamente vedado, em qualquer hipotese: Revender, ceder, alugar, sublicenciar ou comercializar os dados obtidos na Plataforma, total ou parcialmente, brutos ou processados, Redistribuir os dados para terceiros nao autorizados pelo plano contratado, Construir produtos derivados, datasets, APIs ou servicos comerciais baseados nos dados extraidos, Compartilhar exports, planilhas ou relatorios com terceiros fora do escopo da finalidade originalmente declarada, Treinar modelos de IA, embeddings, classificadores ou produtos analiticos com dados da Plataforma. 7.2. O uso permitido restringe-se ao consumo interno corporativo do Usuario para as finalidades da sec. 4.

## Plan

- Pay: R$0
- You get: 250 credits a month

## Rate limit

- Per second: 1
- Batch: 10

## Speed

- Answer: in the call

## The call

- You send: numbers
- Method: POST
- Path: /api/v1/enrichment/whatsapp

## About the plan

- Plan: Free
- Who can get it: anyone with a work email, no card

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

lead reference, input number, normalized number, valid, WhatsApp account, WhatsApp ID

## Tamz's plans (18)

- [Tamz, free](https://datacircle.dev/validate-phone-apis/tamz/free/llms.txt): $0.00 per 1,000, 22% complete, live
- [Tamz, R$100 pack](https://datacircle.dev/validate-phone-apis/tamz/r-100-pack/llms.txt): 22% complete, live
- [Tamz, R$500 pack](https://datacircle.dev/validate-phone-apis/tamz/r-500-pack/llms.txt): 22% complete, live
- [Tamz, R$1,000 pack](https://datacircle.dev/validate-phone-apis/tamz/r-1000-pack/llms.txt): 22% complete, live
- [Tamz, R$2,000 pack](https://datacircle.dev/validate-phone-apis/tamz/r-2000-pack/llms.txt): 22% complete, live
- [Tamz, R$5,000 pack](https://datacircle.dev/validate-phone-apis/tamz/r-5000-pack/llms.txt): 22% complete, live
- [Tamz, R$497 monthly](https://datacircle.dev/validate-phone-apis/tamz/r-497-monthly/llms.txt): 22% complete, live
- [Tamz, R$997 monthly](https://datacircle.dev/validate-phone-apis/tamz/r-997-monthly/llms.txt): 22% complete, live
- [Tamz, R$1,497 monthly](https://datacircle.dev/validate-phone-apis/tamz/r-1497-monthly/llms.txt): 22% complete, live
- [Tamz, R$1,997 monthly](https://datacircle.dev/validate-phone-apis/tamz/r-1997-monthly/llms.txt): 22% complete, live
- [Tamz, R$2,997 monthly](https://datacircle.dev/validate-phone-apis/tamz/r-2997-monthly/llms.txt): 22% complete, live
- [Tamz, R$3,997 monthly](https://datacircle.dev/validate-phone-apis/tamz/r-3997-monthly/llms.txt): 22% complete, live
- [Tamz, R$5,000 monthly](https://datacircle.dev/validate-phone-apis/tamz/r-5000-monthly/llms.txt): 22% complete, live
- [Tamz, R$7,500 monthly](https://datacircle.dev/validate-phone-apis/tamz/r-7500-monthly/llms.txt): 22% complete, live
- [Tamz, R$10,000 monthly](https://datacircle.dev/validate-phone-apis/tamz/r-10000-monthly/llms.txt): 22% complete, live
- [Tamz, R$15,000 monthly](https://datacircle.dev/validate-phone-apis/tamz/r-15000-monthly/llms.txt): 22% complete, live
- [Tamz, R$20,000 monthly](https://datacircle.dev/validate-phone-apis/tamz/r-20000-monthly/llms.txt): 22% complete, live
- [Tamz, R$25,000 monthly](https://datacircle.dev/validate-phone-apis/tamz/r-25000-monthly/llms.txt): 22% complete, live

## Tamz's calls for this API (1)

- `POST /api/v1/enrichment/whatsapp`: [Tamz, free](https://datacircle.dev/validate-phone-apis/tamz/free/llms.txt)

## Tamz's APIs (6)

- [Tamz: company discovery API pricing, 18 plans](https://datacircle.dev/company-discovery-apis/tamz/free/llms.txt)
- [Tamz: people search API pricing, 18 plans](https://datacircle.dev/people-search-apis/tamz/free/llms.txt)
- [Tamz: people enrichment API pricing, 18 plans](https://datacircle.dev/person-enrichment-apis/tamz/free/llms.txt)
- [Tamz: phone validation API pricing, 18 plans](https://datacircle.dev/validate-phone-apis/tamz/free/llms.txt)
- [Tamz: reverse email lookup API pricing, 18 plans](https://datacircle.dev/reverse-email-lookup-apis/tamz/free/llms.txt)
- [Tamz: company enrichment API pricing, 18 plans, GET /api/v1/company, Consulta de empresa (basico)](https://datacircle.dev/company-enrichment-apis/tamz/free-get-api-v1-company-consulta-de-empresa-basico/llms.txt)
- [Tamz: company enrichment API pricing, 18 plans, GET /api/v1/company, Consulta de empresa (firmografico)](https://datacircle.dev/company-enrichment-apis/tamz/free-get-api-v1-company-consulta-de-empresa-firmografico/llms.txt)
- [Tamz: company enrichment API pricing, 18 plans, GET /api/v1/company, Consulta de empresa (intelligence)](https://datacircle.dev/company-enrichment-apis/tamz/free-get-api-v1-company-consulta-de-empresa-intelligence/llms.txt)

## Tamz: phone validation API alternatives

- [Foxentry, free trial, POST /phone/validate, Validate phone number (extended)](https://datacircle.dev/validate-phone-apis/foxentry/free-trial-post-phone-validate-validate-phone-number-extended/llms.txt): $0.00 per 1,000, 56% complete, live
- [HLR Lookups, free, 100 free lookups, POST /hlr-lookups](https://datacircle.dev/validate-phone-apis/hlr-lookups/free-100-free-lookups-post-hlr-lookups/llms.txt): $0.00 per 1,000, 56% complete, live
- [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
- [HLR Lookup, free, 200 free credits, POST /batches/{id}/sourcejson, Bulk uploads via API](https://datacircle.dev/validate-phone-apis/hlr-lookup/free-200-free-credits-post-batches-id-sourcejson/llms.txt): $0.00 per 1,000, 89% 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 2026-11-07.

- https://tamz.ai/api-dados-empresas?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://tamz.ai/developer/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://tamz.ai/developer/docs/enrichment-whatsapp?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://tamz.ai/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://tamz.ai/termos-de-uso?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing