# Wassenger, $39.90 monthly, Platform Professional, POST /numbers/validate: Phone validation API

> Wassenger API validates phone numbers in bulk, checks WhatsApp existence, fetches profile photos and 200+ more things — same endpoint our console uses.

Wassenger's phone validation API on its Platform Professional plan. It returns 4 of the 9 key fields we check: Formats, Validity, Type, Place.
We haven't run Wassenger through [our phone validation API benchmark](https://datacircle.dev/best-phone-validation-api.txt) yet.
This plan costs $39.90 a month. We rank 888 plans for phone validation APIs by price. Half the plans cost $3.376 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/wassenger/39-90-monthly-platform-professional-post-numbers-validate
- [Phone validation API: 40+ providers compared](https://datacircle.dev/best-phone-validation-api.txt)
- Get it: https://wassenger.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Request: `POST https://api.wassenger.com/v1/numbers/validate`
- API key: with the plan, on https://wassenger.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Its API docs: https://app.wassenger.com/docs/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing#operation/validateNumbers
- Sold by: Wassenger (https://wassenger.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing)
- Checked: 2026-11-02

## In the answer

- Completeness: 44%
- Formats: ✓
- Validity: ✓
- Type: ✓
- Place: ✓

## Price

- Billing: monthly
- $ a month: $39.90

## Aggregators

- Aggregators: none

## Charges

- Also pays for: 200 other calls

## In their words

- Their pitch: Wassenger API validates phone numbers in bulk, checks WhatsApp existence, fetches profile photos and 200+ more things — same endpoint our console uses.

## Data

- What it checks: numbering plan
- Keep data: no limit
- Use data: 3.4 You agree, as a customer, not to license, resell, lease, transfer or distribute the service to any third party.

## Plan

- Pay: $39.90

## Rate limit

- Batch: 1,000

## Speed

- Answer: in the call

## The call

- You send: numbers[].phone. Optional: country, prefix, numbers[].country, numbers[].prefix
- Method: POST
- Path: /numbers/validate

## About the plan

- Plan: Platform Professional
- Who can get it: anyone 18 or older with a WhatsApp or WhatsApp Business number to connect by QR code or through the WhatsApp Business API

## The 12 fields the plan's answer can hold

valid, input, normalized phone number, WhatsApp ID, line type, country code, country phone prefix, local format, national format, international format, valid count, invalid count

## Wassenger's plans (6)

- [Wassenger, $39.90 monthly, Platform Professional, POST /numbers/validate](https://datacircle.dev/validate-phone-apis/wassenger/39-90-monthly-platform-professional-post-numbers-validate/llms.txt): 44% complete
- [Wassenger, $69.90 monthly, Platform Business, POST /numbers/validate](https://datacircle.dev/validate-phone-apis/wassenger/69-90-monthly-platform-business-post-numbers-validate/llms.txt): 44% complete
- [Wassenger, $99.90 monthly, Platform Enterprise, POST /numbers/validate](https://datacircle.dev/validate-phone-apis/wassenger/99-90-monthly-platform-enterprise-post-numbers-validate/llms.txt): 44% complete
- [Wassenger, $399 yearly, Platform Professional (annual), POST /numbers/validate](https://datacircle.dev/validate-phone-apis/wassenger/399-yearly-platform-professional-annual-post-numbers-validate/llms.txt): 44% complete
- [Wassenger, $699 yearly, Platform Business (annual), POST /numbers/validate](https://datacircle.dev/validate-phone-apis/wassenger/699-yearly-platform-business-annual-post-numbers-validate/llms.txt): 44% complete
- [Wassenger, $999 yearly, Platform Enterprise (annual), POST /numbers/validate](https://datacircle.dev/validate-phone-apis/wassenger/999-yearly-platform-enterprise-annual-post-numbers-validate/llms.txt): 44% complete

## Wassenger's calls (2)

- `POST /verify/number`: [Wassenger, $39.90 monthly, Platform Professional, POST /verify/number](https://datacircle.dev/validate-phone-apis/wassenger/39-90-monthly-platform-professional-post-verify-number/llms.txt)
- `POST /numbers/validate`: [Wassenger, $39.90 monthly, Platform Professional, POST /numbers/validate](https://datacircle.dev/validate-phone-apis/wassenger/39-90-monthly-platform-professional-post-numbers-validate/llms.txt)

## Wassenger's APIs (1)

- [Wassenger: phone validation API pricing, 6 plans, POST /numbers/validate](https://datacircle.dev/validate-phone-apis/wassenger/39-90-monthly-platform-professional-post-numbers-validate/llms.txt)

## Wassenger: phone validation API alternatives

- [ClearoutPhone, $31 monthly, Monthly 5,000 credits, POST /v1/phonenumber/bulk, Bulk Phone Number Validation, smart mode](https://datacircle.dev/validate-phone-apis/clearoutphone/31-monthly-monthly-5000-credits-post-v1-phonenumber-bulk-bulk-phone-number-validation-smart-mode/llms.txt): 44% complete
- [Lookify, $199 monthly](https://datacircle.dev/validate-phone-apis/lookify/199-monthly/llms.txt): 56% complete
- [Persona, $250 monthly](https://datacircle.dev/validate-phone-apis/persona/250-monthly/llms.txt): 56% complete
- [SEON, $699 monthly](https://datacircle.dev/validate-phone-apis/seon/699-monthly/llms.txt): 56% complete
- [smsmode, €499 monthly](https://datacircle.dev/validate-phone-apis/smsmode/499-monthly/llms.txt): 33% complete

## 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://api.wassenger.com/v1/spec?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://app.wassenger.com/docs/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://wassenger.com/number-validator?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://wassenger.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://wassenger.com/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing