# Wawp, free: Phone validation API

> The /v2/contacts/check-exists endpoint is your first line of defense against low-quality data. It queries the WhatsApp Global Directory to verify if a specific MSISDN (phone number) corresponds to an active WhatsApp account.

Wawp's Free plan for the phone validation API costs $0.00 per 1,000 phones. We check each provider's docs for 9 fields: Number, Formats, Validity, Type and 5 more. Wawp's docs list none of the 9.
Wawp limits how many calls you get but gives no number.
We haven't run Wawp through [our phone validation API benchmark](https://datacircle.dev/best-phone-validation-api.txt) yet.
This plan is free. We rank 1,494 plans for phone validation APIs by price. Half the plans cost $3.20 or less per 1,000 phones. [326 phone validation API plans on our price sheet are free.](https://datacircle.dev/best-phone-validation-api.txt) [Trestle](https://datacircle.dev/validate-phone-apis/trestle/free/llms.txt) has a free plan with 25 calls in total. Trestle is the best phone validation API in our benchmark.
[Linq's $260 monthly plan](https://datacircle.dev/validate-phone-apis/linq/260-monthly-pro-post-v3-capability-check-imessage/llms.txt) is the cheapest paid plan per 1,000 phones. Linq's phone validation API costs nothing beyond the plan price. [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/wawp/free
- [Phone validation API in 2026: the best of 60+ compared](https://datacircle.dev/best-phone-validation-api.txt)
- Get it: https://wawp.net/en/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Request: `GET https://api.wawp.net/v2/contacts/check-exists`
- API key: with the plan, on https://wawp.net/en/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Its API docs: https://api.wawp.net/en/docs/v2/contacts/check-exists?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Sold by: Wawp (https://wawp.net?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing)
- Checked: 2026-11-09

## In the answer

- Completeness: 0%

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: 120 other Wawp calls

## Not found

- $ per 1,000 calls that find nothing: $0.00

## In their words

- Their pitch: The /v2/contacts/check-exists endpoint is your first line of defense against low-quality data. It queries the WhatsApp Global Directory to verify if a specific MSISDN (phone number) corresponds to an active WhatsApp account.

## Data

- Freshness: live
- What it checks: messaging apps
- Keep data: no limit
- Use data: The Service is intended solely for lawful purposes. You may not use the Service for any illegal or unauthorized purpose, and you agree to comply with all applicable laws and regulations. [...] you acknowledge and agree to comply with the WhatsApp terms of service [...]. In addition to all other terms in this Agreement, you may not use the Service to: Promote, host, or otherwise facilitate IPTV services or content that infringe upon copyright, trademark, or other intellectual property rights. Distribute or promote any content or activities that violate any trademark or other intellectual property rights. Distribute or promote any content or engage in any activities that go beyond the permissible boundaries of Islamic law, including but not limited to content deemed immoral or haram, gambling-related services, or other activities strictly prohibited under Islamic principles. Sell or promote subscriptions to video streaming platforms such as Shahid, Netflix, Amazon Prime, Disney+, or any similar services. Sell or promote music subscription platforms such as YouTube Music, Anghami, Spotify, or any similar services. Sell or promote smoking-related products, including vaping devices, coils, or any derivatives. Sell or promote sexual services or products of any kind. Promote or deal with gambling or betting websites, or anything similar. Promote financial products or services involving interest (riba), including certificates of deposit, bonds, loans, credit cards, installment plans or treasury bills, or any other financial products or services involving interest (riba). [...] The merchant (the Service user) represents and warrants that they are solely responsible for obtaining explicit, legally valid opt-in consent from all recipients before transmitting any automated or marketing communications through WhatsApp or Email using the Service. Broad-scale unsolicited messaging (Spam) is strictly prohibited. [...] Transmitting malicious files, shell codes, database injection commands, or raw scripts targeting the compromise of our networks is strictly prohibited.

## Plan

- Pay: $0

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: instance_id, phone
- Method: GET
- Path: /v2/contacts/check-exists

## About the plan

- Plan: Free
- Who can get it: anyone

## The 2 fields the plan's answer can hold

registered on WhatsApp, JID

## Wawp's plans (12)

- [Wawp, free](https://datacircle.dev/validate-phone-apis/wawp/free/llms.txt): $0.00 per 1,000, 0% complete, live
- [Wawp, €119 pack](https://datacircle.dev/validate-phone-apis/wawp/119-pack/llms.txt): 0% complete, live
- [Wawp, €199 pack](https://datacircle.dev/validate-phone-apis/wawp/199-pack/llms.txt): 0% complete, live
- [Wawp, €599 pack](https://datacircle.dev/validate-phone-apis/wawp/599-pack/llms.txt): 0% complete, live
- [Wawp, €9 monthly](https://datacircle.dev/validate-phone-apis/wawp/9-monthly/llms.txt): $0.000047 per 1,000, 0% complete, live
- [Wawp, €15 monthly](https://datacircle.dev/validate-phone-apis/wawp/15-monthly/llms.txt): $0.000078 per 1,000, 0% complete, live
- [Wawp, €25 monthly](https://datacircle.dev/validate-phone-apis/wawp/25-monthly/llms.txt): $0.00013 per 1,000, 0% complete, live
- [Wawp, €50 monthly](https://datacircle.dev/validate-phone-apis/wawp/50-monthly/llms.txt): $0.00026 per 1,000, 0% complete, live
- [Wawp, €39 yearly](https://datacircle.dev/validate-phone-apis/wawp/39-yearly/llms.txt): $0.000017 per 1,000, 0% complete, live
- [Wawp, €60 yearly](https://datacircle.dev/validate-phone-apis/wawp/60-yearly/llms.txt): $0.000026 per 1,000, 0% complete, live
- [Wawp, €120 yearly](https://datacircle.dev/validate-phone-apis/wawp/120-yearly/llms.txt): $0.000052 per 1,000, 0% complete, live
- [Wawp, €300 yearly](https://datacircle.dev/validate-phone-apis/wawp/300-yearly/llms.txt): $0.00013 per 1,000, 0% complete, live

## Wawp's calls (1)

- `GET /v2/contacts/check-exists`: [Wawp, free](https://datacircle.dev/validate-phone-apis/wawp/free/llms.txt)

## Wawp's APIs (1)

- [Wawp Phone validation API pricing, 12 plans](https://datacircle.dev/validate-phone-apis/wawp/free/llms.txt)

## Wawp: phone validation API alternatives

[Wawp alternatives: other phone validation API providers by price](https://datacircle.dev/wawp-alternatives.txt)

We list Wawp's cheapest paid plan first. Next we list other providers' plans closest to Wawp in price per 1,000 phones. Each plan in the list gives live data.

- [Wawp, €39 yearly](https://datacircle.dev/validate-phone-apis/wawp/39-yearly/llms.txt): $0.000017 per 1,000, 0% complete, live
- [CheckNumber.AI, top-up from $20, Pay as you go, POST /v1/tasks, WhatsApp Checker](https://datacircle.dev/validate-phone-apis/checknumber-ai/top-up-from-20-pay-as-you-go-post-v1-tasks-whatsapp-checker/llms.txt): $0.08 per 1,000, 11% complete, live
- [NumDetect, $499.90 pack, Scale, POST /api/v1/bulk-jobs, Bulk check, Viber](https://datacircle.dev/validate-phone-apis/numdetect/499-90-pack-scale-post-api-v1-bulk-jobs-bulk-check-viber/llms.txt): $0.125 per 1,000, 11% complete, live
- [WasenderAPI, $459 yearly](https://datacircle.dev/validate-phone-apis/wasenderapi/459-yearly/llms.txt): $0.128 per 1,000, 0% 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

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-09.

- https://api.wawp.net/en/docs/v2/contacts/check-exists?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://wawp.net/en/legal/terms-of-service?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://wawp.net/en/lp/whatsapp-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://wawp.net/en/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://wawp.net/en/whatsapp-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://wawp.net/en/whatsapp-api/rate-limit?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing