# Maytapi, free: Phone validation API

> Find out which phone numbers are registered on WhatsApp before you message them. Send a list of numbers to one endpoint and get back which are valid — so your messages only go to people who can receive them.

Maytapi's phone validation API on its Sandbox plan. It costs $0.00 per 1,000 phones. It returns 1 of the 9 key fields we check: Validity.
Maytapi limits how many results you get but gives no number.
We haven't run Maytapi through [our phone validation API benchmark](https://datacircle.dev/best-phone-validation-api.txt) yet.
This plan is free. We rank 768 plans for phone validation APIs by price. Half the plans cost $3.60 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/maytapi/free
- [Phone validation API: 40+ providers compared](https://datacircle.dev/best-phone-validation-api.txt)
- Get it: https://maytapi.com/whatsapp-api-pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Request: `POST https://api.maytapi.com/api/{product_id}/{phone_id}/checkPhones`
- API key: with the plan, on https://maytapi.com/whatsapp-api-pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Its API docs: https://maytapi.com/features/whatsapp-number-check-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Sold by: Maytapi (https://maytapi.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing)
- Checked: 2026-11-02

## In the answer

- Completeness: 11%
- Validity: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: 145 other calls

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Find out which phone numbers are registered on WhatsApp before you message them. Send a list of numbers to one endpoint and get back which are valid — so your messages only go to people who can receive them.

## Data

- Freshness: live
- What it checks: messaging apps
- Keep data: no limit
- Use data: Also, you agree that you will not do any of the following in connection with the Service or other users: Use the Service in any manner that could interfere with, disrupt, negatively affect or inhibit other users from fully enjoying the Service or that could damage, disable, overburden or impair the functioning of the Service, Impersonate or post on behalf of any person or entity or otherwise misrepresent your affiliation with a person or entity, Collect any personal information about other users, or intimidate, threaten, stalk or otherwise harass other users of the Service, Create an account or post any content if you are not over 13 years of age, and Circumvent or attempt to circumvent any filtering, security measures, rate limits or other features designed to protect the Service, users of the Service, or third parties. [...] Unless we expressly state otherwise, your rights do not include: (i) publicly performing or publicly displaying the Service, (ii) modifying or otherwise making any derivative uses of the Service or any portion thereof, (iii) using any data mining, robots or similar data gathering or extraction methods, (iv) downloading (other than page caching) of any portion of the Service or any information contained therein, (v) reverse engineering or accessing the Service in order to build a competitive product or service, or (vi) using the Service other than for its intended purposes.

## Plan

- Pay: $0

## Speed

- Answer: in the call

## The call

- You send: product_id, phone_id, numbers
- Method: POST
- Path: /{phone_id}/checkPhones

## About the plan

- Plan: Sandbox
- Who can get it: anyone

## The 5 fields the plan's answer can hold

input, status, valid, WhatsApp ID, WhatsApp server

## Maytapi's plans (4)

- [Maytapi, free](https://datacircle.dev/validate-phone-apis/maytapi/free/llms.txt): $0.00 per 1,000, 11% complete, live
- [Maytapi, $29 monthly](https://datacircle.dev/validate-phone-apis/maytapi/29-monthly/llms.txt): no limit, 11% complete, live
- [Maytapi, $288 yearly](https://datacircle.dev/validate-phone-apis/maytapi/288-yearly/llms.txt): no limit, 11% complete, live
- [Maytapi, contact us](https://datacircle.dev/validate-phone-apis/maytapi/contact-us/llms.txt): 11% complete, live

## Maytapi's calls (1)

- `POST /{phone_id}/checkPhones`: [Maytapi, free](https://datacircle.dev/validate-phone-apis/maytapi/free/llms.txt)

## Maytapi's APIs (1)

- [Maytapi: phone validation API pricing, 4 plans](https://datacircle.dev/validate-phone-apis/maytapi/free/llms.txt)

## Maytapi: 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
- [Infobip, free](https://datacircle.dev/validate-phone-apis/infobip/free/llms.txt): $0.00 per 1,000, 56% 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 2026-11-02.

- https://maytapi.com/features/whatsapp-number-check-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://maytapi.com/legal/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://maytapi.com/llms-full.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://maytapi.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://maytapi.com/whatsapp-api-documentation?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://maytapi.com/whatsapp-api-faq?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://maytapi.com/whatsapp-api-pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing