# 2Chat, free trial, GET /open/whatsapp/check-number/{your-number}/{number-to-check}, Check Number: Phone validation API

> Verify if phone numbers are active on WhatsApp before sending messages. Our verification API helps you check number validity and maintain clean contact lists for optimal message deliverability.

2Chat's phone validation API on its Free trial plan. It costs $0.00 per 1,000 phones. It returns 3 of the 9 key fields we check: Validity, Carrier, Place.
We rank 721 plans by price. [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/2chat/free-trial-get-open-whatsapp-check-number-your-number-number-to-check-check-number
- [Best phone validation API in 2026: providers compared](https://datacircle.dev/best-phone-validation-api.txt)
- Get it: https://2chat.co/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Request: `GET https://api.p.2chat.io/open/whatsapp/check-number/{your-number}/{number-to-check}`, Check Number
- API key: with the plan, on https://2chat.co/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Its API docs: https://developers.2chat.co/docs/API/WhatsApp/Web/check-number?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Sold by: 2Chat (https://2chat.co?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing)
- Checked: 2026-11-02

## In the answer

- Completeness: 33%
- Validity: ✓
- Carrier: ✓
- Place: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Extra fields: profile picture URL, is business, is enterprise, verified name, short name, pushname, status text, verified level, business language code, business currency, business hours, business map pin, business description, business email, business website, business categories, cart enabled: +$0.00
- Also pays for: nothing else

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Verify if phone numbers are active on WhatsApp before sending messages. Our verification API helps you check number validity and maintain clean contact lists for optimal message deliverability.

## Data

- Freshness: live
- What it checks: numbering plan, messaging apps
- Keep data: no limit
- Use data: What the Service is for: You may use the Service for making, receiving, recording, transferring, transcribing, summarizing and analyzing calls, and for sending and receiving messages, in each case in the course of a business activity. You may not use the Service for any other purpose. General restrictions: You and your Users shall not: circumvent or disable any technological feature or security measure implemented in the Service, violate any applicable law or regulation, or any policy published by us or by our carriers and channel providers, including any requirement to obtain consent before transmitting, recording, collecting or monitoring data or communications, infringe the intellectual property, privacy or other proprietary rights of any person, transmit content that is illegal, exploitative, abusive, harmful, unwanted, deceptive, inappropriate or objectionable in the recipient's jurisdiction, stalk, harass, bully or harm another individual, or engage in spamming, phishing or pharming, introduce any virus, worm, trojan horse, time bomb or other code designed to distort, delete, damage or disassemble the Service, send communications on behalf of, or purporting to originate from, 2Chat, license, sublicense, sell, resell, rent, lease, transfer, assign, distribute, time share or otherwise commercially exploit the Service, or make it available to any third party, other than as expressly permitted by the Terms of Service, use the Service to process data on behalf of any third party, other than as expressly permitted by the Terms of Service, or create multiple accounts to circumvent the trial period or any usage allowance.

## Plan

- Pay: $0
- You get: 100 requests
- Enough for: 100 calls, once
- Expires: 7 days

## Rate limit

- Per second: 0.17
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: your-number, number-to-check. Optional: extra-information
- Method: GET
- Path: /open/whatsapp/check-number/{your-number}/{number-to-check}

## About the plan

- Plan: Free trial
- Who can get it: anyone, no credit card required

## The 7 fields the plan's answer can hold

valid, country code, region, carrier, timezone, on WhatsApp, WhatsApp ID

## 2Chat's plans (9)

- [2Chat, free trial, GET /open/whatsapp/check-number/{your-number}/{number-to-check}, Check Number](https://datacircle.dev/validate-phone-apis/2chat/free-trial-get-open-whatsapp-check-number-your-number-number-to-check-check-number/llms.txt): $0.00 per 1,000, 33% complete, live
- [2Chat, $100 pack, Extra requests package, GET /open/whatsapp/check-number/{your-number}/{number-to-check}, Check Number](https://datacircle.dev/validate-phone-apis/2chat/100-pack-extra-requests-package-get-open-whatsapp-check-number-your-number-number-to-check-check-number/llms.txt): $0.20 per 1,000, 33% complete, live
- [2Chat, $40 monthly, Single Plan, GET /open/whatsapp/check-number/{your-number}/{number-to-check}, Check Number](https://datacircle.dev/validate-phone-apis/2chat/40-monthly-single-plan-get-open-whatsapp-check-number-your-number-number-to-check-check-number/llms.txt): $20.00 per 1,000, 33% complete, live
- [2Chat, $49 monthly, Basic Plan, GET /open/whatsapp/check-number/{your-number}/{number-to-check}, Check Number](https://datacircle.dev/validate-phone-apis/2chat/49-monthly-basic-plan-get-open-whatsapp-check-number-your-number-number-to-check-check-number/llms.txt): $2.45 per 1,000, 33% complete, live
- [2Chat, $120 monthly, Pro Plan, GET /open/whatsapp/check-number/{your-number}/{number-to-check}, Check Number](https://datacircle.dev/validate-phone-apis/2chat/120-monthly-pro-plan-get-open-whatsapp-check-number-your-number-number-to-check-check-number/llms.txt): $0.60 per 1,000, 33% complete, live
- [2Chat, $372 yearly, Single Plan, GET /open/whatsapp/check-number/{your-number}/{number-to-check}, Check Number](https://datacircle.dev/validate-phone-apis/2chat/372-yearly-single-plan-get-open-whatsapp-check-number-your-number-number-to-check-check-number/llms.txt): $15.50 per 1,000, 33% complete, live
- [2Chat, $480 yearly, Basic Plan, GET /open/whatsapp/check-number/{your-number}/{number-to-check}, Check Number](https://datacircle.dev/validate-phone-apis/2chat/480-yearly-basic-plan-get-open-whatsapp-check-number-your-number-number-to-check-check-number/llms.txt): $2.00 per 1,000, 33% complete, live
- [2Chat, $1,188 yearly, Pro Plan, GET /open/whatsapp/check-number/{your-number}/{number-to-check}, Check Number](https://datacircle.dev/validate-phone-apis/2chat/1188-yearly-pro-plan-get-open-whatsapp-check-number-your-number-number-to-check-check-number/llms.txt): $0.495 per 1,000, 33% complete, live
- [2Chat, contact us, Enterprise Plan, GET /open/whatsapp/check-number/{your-number}/{number-to-check}, Check Number](https://datacircle.dev/validate-phone-apis/2chat/contact-us-enterprise-plan-get-open-whatsapp-check-number-your-number-number-to-check-check-number/llms.txt): 33% complete, live

## 2Chat's calls (2)

- `GET /open/whatsapp/check-number/{your-number}/{number-to-check}`, Check Number: [2Chat, free trial, GET /open/whatsapp/check-number/{your-number}/{number-to-check}, Check Number](https://datacircle.dev/validate-phone-apis/2chat/free-trial-get-open-whatsapp-check-number-your-number-number-to-check-check-number/llms.txt)
- `GET /open/whatsapp/check-number/{your-number}/{number-to-check}`, Check Number, full: [2Chat, free trial, GET /open/whatsapp/check-number/{your-number}/{number-to-check}, Check Number, full](https://datacircle.dev/validate-phone-apis/2chat/free-trial-get-open-whatsapp-check-number-your-number-number-to-check-check-number-full/llms.txt)

## 2Chat's APIs (1)

- [2Chat: phone validation API pricing, 9 plans, Check Number](https://datacircle.dev/validate-phone-apis/2chat/free-trial-get-open-whatsapp-check-number-your-number-number-to-check-check-number/llms.txt)

## 2Chat: phone validation API alternatives

- [CheckNumber.AI, top-up from $20, Pay as you go, POST /v1/tasks, WhatsApp Advanced](https://datacircle.dev/validate-phone-apis/checknumber-ai/top-up-from-20-pay-as-you-go-post-v1-tasks-whatsapp-advanced/llms.txt): $0.10 per 1,000, 11% complete, live
- [WasenderAPI, $6 monthly](https://datacircle.dev/validate-phone-apis/wasenderapi/6-monthly/llms.txt): $0.20 per 1,000, 0% complete, live
- [ZelNum, $2,000 pack, Pay as you go, $2,000 top-up, POST /detect, HLR Lookup](https://datacircle.dev/validate-phone-apis/zelnum/2000-pack-pay-as-you-go-2000-top-up-post-detect-hlr-lookup/llms.txt): $0.32 per 1,000, 33% complete, live
- [Phone-Check.app, $79.99 monthly, Business, GET /v1-get-phone-extra-details](https://datacircle.dev/validate-phone-apis/phone-check-app/79-99-monthly-business-get-v1-get-phone-extra-details/llms.txt): $0.552 per 1,000, 78% 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://2chat.co/developers?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://2chat.co/legal/acceptable-use?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://2chat.co/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://2chat.co/pricing/budget?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://developers.2chat.co/docs/API/WhatsApp/Web/check-number?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://developers.2chat.co/docs/API/billing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing