# WA Validator, $9.99 pack, Starter, POST /api/v1/validate/: Phone validation API

> Ensure your messages reach their destination. Clean your contact lists, reduce bounce rates, and optimize your marketing campaigns with our real-time WhatsApp validation API.

WA Validator's Starter plan for the phone validation API costs $1.427 per 1,000 phones. We check each provider's docs for 9 fields. WA Validator's docs list 1: Number.
We haven't run WA Validator through [our phone validation API benchmark](https://datacircle.dev/best-phone-validation-api.txt) yet.
We rank 1,398 plans for phone validation APIs by price. Half the plans cost $3.518 or less per 1,000 phones. This plan costs less per 1,000 phones than 63% of the 1,398 plans.
[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/wa-validator/9-99-pack-starter-post-api-v1-validate
- [Phone validation API in 2026: the best of 60+ compared](https://datacircle.dev/best-phone-validation-api.txt)
- Get it: https://wavalidator.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Request: `POST https://wavalidator.com/api/v1/validate/`
- API key: with the plan, on https://wavalidator.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Its API docs: https://wavalidator.com/api-docs/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Sold by: WA Validator (https://wavalidator.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing)
- Checked: 2026-11-10

## In the answer

- Completeness: 11%
- Number: ✓

## Price

- $ per 1,000 phones: $1.427
- Per: call
- Billing: pay first

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Bulk Check

## Overage

- Units cap: hard

## Not found

- $ per 1,000 calls that find nothing: $1.427

## In their words

- Their pitch: Ensure your messages reach their destination. Clean your contact lists, reduce bounce rates, and optimize your marketing campaigns with our real-time WhatsApp validation API.

## Data

- Freshness: live
- Countries: Worldwide
- What it checks: messaging apps
- Keep data: no limit
- Use data: You agree NOT to use our service to: Send spam or unsolicited messages, Violate any applicable laws or regulations, Harass, abuse, or harm others, Attempt to bypass rate limits or security measures, Reverse engineer or attempt to extract source code

## Plan

- Pay: $9.99
- You get: 7,000 credits
- Enough for: 7,000 calls
- Expires: never

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: phone_number
- Method: POST
- Path: /api/v1/validate/

## About the plan

- Plan: Starter
- Who can get it: anyone

## The 3 fields the plan's answer can hold

phone, WhatsApp status, credits remaining

## WA Validator's plans (5)

- [WA Validator, $9.99 pack, Starter, POST /api/v1/validate/](https://datacircle.dev/validate-phone-apis/wa-validator/9-99-pack-starter-post-api-v1-validate/llms.txt): $1.427 per 1,000, 11% complete, live
- [WA Validator, $29.99 pack, Basic, POST /api/v1/validate/](https://datacircle.dev/validate-phone-apis/wa-validator/29-99-pack-basic-post-api-v1-validate/llms.txt): $0.9997 per 1,000, 11% complete, live
- [WA Validator, $49.99 pack, Plus, POST /api/v1/validate/](https://datacircle.dev/validate-phone-apis/wa-validator/49-99-pack-plus-post-api-v1-validate/llms.txt): $0.714 per 1,000, 11% complete, live
- [WA Validator, $149.99 pack, Professional, POST /api/v1/validate/](https://datacircle.dev/validate-phone-apis/wa-validator/149-99-pack-professional-post-api-v1-validate/llms.txt): $0.60 per 1,000, 11% complete, live
- [WA Validator, $449.99 pack, Enterprise, POST /api/v1/validate/](https://datacircle.dev/validate-phone-apis/wa-validator/449-99-pack-enterprise-post-api-v1-validate/llms.txt): $0.45 per 1,000, 11% complete, live

## WA Validator's calls (2)

- `POST /api/v1/bulk-check/`: [WA Validator, $9.99 pack, Starter, POST /api/v1/bulk-check/](https://datacircle.dev/validate-phone-apis/wa-validator/9-99-pack-starter-post-api-v1-bulk-check/llms.txt)
- `POST /api/v1/validate/`: [WA Validator, $9.99 pack, Starter, POST /api/v1/validate/](https://datacircle.dev/validate-phone-apis/wa-validator/9-99-pack-starter-post-api-v1-validate/llms.txt)

## WA Validator's APIs (1)

- [WA Validator: phone validation API pricing, 5 plans, POST /api/v1/validate/](https://datacircle.dev/validate-phone-apis/wa-validator/9-99-pack-starter-post-api-v1-validate/llms.txt)

## WA Validator: phone validation API alternatives

- [NumRadar, €29 monthly, Growth, POST /validate](https://datacircle.dev/validate-phone-apis/numradar/29-monthly-growth-post-validate/llms.txt): $1.305 per 1,000, 44% complete, live
- [CallerAPI, $5,500 monthly, Enterprise transparency $5,500, GET /api/network-lookup/{phone}](https://datacircle.dev/validate-phone-apis/callerapi/5500-monthly-enterprise-transparency-5500-get-api-network-lookup-phone/llms.txt): $1.375 per 1,000, 44% complete, live
- [Telnyx, top-up from $10](https://datacircle.dev/validate-phone-apis/telnyx/top-up-from-10/llms.txt): $1.50 per 1,000, 78% complete, live
- [CheckNumber.AI, top-up from $20, Pay as you go, POST /v1/tasks, US Carrier Advanced](https://datacircle.dev/validate-phone-apis/checknumber-ai/top-up-from-20-pay-as-you-go-post-v1-tasks-us-carrier-advanced/llms.txt): $1.50 per 1,000, 44% 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 2026-11-10.

- https://wavalidator.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://wavalidator.com/api-docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://wavalidator.com/mcp-docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://wavalidator.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://wavalidator.com/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing