# WhatsMCP, free: Phone validation API

> Looks up who a number is on WhatsApp: whether it is registered, its public name, about text, picture, and a business’s categories, contact details and hours

WhatsMCP's Free plan for the phone validation API costs $0.00 per 1,000 phones. We check each provider's docs for 9 fields. WhatsMCP's docs list 1: Number.
You get as many calls as you like.
We haven't run WhatsMCP through [our phone validation API benchmark](https://datacircle.dev/best-phone-validation-api.txt) yet.
This plan is free. We rank 1,342 plans for phone validation APIs by price. Half the plans cost $3.867 or less per 1,000 phones. [See the best free phone validation API plan.](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. [Keyronne's pay-as-you-go plan](https://datacircle.dev/validate-phone-apis/keyronne/pay-as-you-go/llms.txt) costs the least for 10,000 phones a month: $0.20.
[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), [Signal House](https://datacircle.dev/validate-phone-apis/signal-house/top-up-from-10/llms.txt) and [Data247](https://datacircle.dev/validate-phone-apis/data247/12-pack-membership-get-v3-0-verify247-phone/llms.txt) are the best phone validation API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/validate-phone-apis/whatsmcp/free
- [Phone validation API in 2026: the best of 60+ compared](https://datacircle.dev/best-phone-validation-api.txt)
- Get it: https://whatsmcp.com/plans?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Request: `GET https://api.whatsmcp.com/v1/accounts/{account_id}/profiles/{phone}`
- API key: with the plan, on https://whatsmcp.com/plans?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Its API docs: https://whatsmcp.com/docs/rest?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing#contacts
- Sold by: WhatsMCP (https://whatsmcp.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing)
- Checked: 2026-11-08

## In the answer

- Completeness: 11%
- Number: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: Send a message · from the same budget: List WhatsApp accounts · List blocked contacts · Unblock a contact · Block a contact · Read one chat · Load older messages · Set presence in a chat · List or search the address book · Delete a message for everyone · Fetch one message · Edit a message · React to a message · Read one number's plan, limits and usage · Set an account online or offline · List messages across all accounts

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Looks up who a number is on WhatsApp: whether it is registered, its public name, about text, picture, and a business’s categories, contact details and hours

## Data

- Freshness: live
- What it checks: messaging apps
- Keep data: no limit
- Use data: Through your linked number and API key, you agree not to: Send unsolicited bulk messages, spam, or messaging that violates applicable anti-spam or telecommunications law in your jurisdiction or the recipient's. Message or call a person without the consent to contact them that applicable law and WhatsApp's own rules require. Use the service to harass, defraud, phish, or distribute illegal content. Attempt to circumvent rate limits, account isolation, or other technical controls described in our Privacy Policy. Resell, share or sublicense API access or credentials without our prior written agreement. Link, read or monitor a WhatsApp account that is not yours, or follow or surveil any person, without that person's knowledge and lawful consent. Impersonate any person or organisation, or mislead recipients about who is messaging them or that they are talking to an automated agent where the law requires you to tell them. Use the service for emergency communications [...] or for any purpose where a failure, delay, lost message or dropped call could lead to death, injury or serious harm. Send or store payment card data, or health or other special-category data, except where you have a lawful basis and the safeguards the law requires. Use the service if you, or the people you act for, are subject to sanctions, or to send messages to or from a sanctioned country or person. Probe, scan, overload, reverse engineer or attack the service, or use it to distribute malware.

## Plan

- Pay: $0
- Enough for: no limit

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: account_id, phone
- Method: GET
- Path: /v1/accounts/{account_id}/profiles/{phone}

## About the plan

- Plan: Free
- Who can get it: anyone using it for the purposes of their trade, business, craft or profession and not as a consumer, aged 18 or over, with a WhatsApp number they own or may link

## The 15 fields the plan's answer can hold

registered on WhatsApp, phone number, JID, name, name source, about, picture URL, is business, note, business address, business categories, business email, business hours, business hours timezone, business options

## WhatsMCP's plans (5)

- [WhatsMCP, free](https://datacircle.dev/validate-phone-apis/whatsmcp/free/llms.txt): $0.00 per 1,000, 11% complete, live
- [WhatsMCP, $10 monthly](https://datacircle.dev/validate-phone-apis/whatsmcp/10-monthly/llms.txt): no limit, 11% complete, live
- [WhatsMCP, $25 monthly](https://datacircle.dev/validate-phone-apis/whatsmcp/25-monthly/llms.txt): no limit, 11% complete, live
- [WhatsMCP, $100 yearly](https://datacircle.dev/validate-phone-apis/whatsmcp/100-yearly/llms.txt): no limit, 11% complete, live
- [WhatsMCP, $200 yearly](https://datacircle.dev/validate-phone-apis/whatsmcp/200-yearly/llms.txt): no limit, 11% complete, live

## WhatsMCP's calls (1)

- `GET /v1/accounts/{account_id}/profiles/{phone}`: [WhatsMCP, free](https://datacircle.dev/validate-phone-apis/whatsmcp/free/llms.txt)

## WhatsMCP's APIs (1)

- [WhatsMCP: phone validation API pricing, 5 plans](https://datacircle.dev/validate-phone-apis/whatsmcp/free/llms.txt)

## WhatsMCP: phone validation API alternatives

- [Signal House, free](https://datacircle.dev/validate-phone-apis/signal-house/free/llms.txt): $0.00 per 1,000, 44% complete, live
- [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
- [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 2026-11-08.

- https://api.whatsmcp.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://whatsmcp.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://whatsmcp.com/docs/mcp?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://whatsmcp.com/docs/rest?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://whatsmcp.com/plans?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://whatsmcp.com/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing