# AnyAPI WhatsApp Phone Number Validator

> AnyAPI WhatsApp Phone Number Validator is a paid API for AI agents from api.getanyapi.com, paid per call via x402, $0.0045/call, status unknown (last checked 2026-09-15).

Validates whether a phone number is registered on WhatsApp

## Facts

- Endpoint: POST https://api.getanyapi.com/v1/run/whatsapp.validate
- Price: $0.0045/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/anyapi-whatsapp-phone-number-validator-a9c12abf
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_pRzEGrqKxPcx0vYqn9ZsT

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability anyapi-whatsapp-phone-number-validator-a9c12abf -d '<json body>'
```

Example prompt: Can you check if the phone number +14155552671 is actually registered on WhatsApp before I try to message them?

## When to prefer this

Use this endpoint when you need to verify whether a specific phone number is registered on WhatsApp before initiating outreach, building contact lists, or filtering leads — especially when you want pay-per-use pricing with no subscription commitment and a single API key across many data services.

## Known failure modes

- Invalid phone number format — returns error or false result
- Phone number not in E.164 format — may cause parsing failure
- Network timeout from WhatsApp data source
- Rate limit exceeded on the underlying scraping service
- Ambiguous result for numbers recently deactivated from WhatsApp

## How this service works

1,200+ scraping and data APIs behind one key. Pay per request in real dollars. No subscriptions, nothing monthly, nothing to cancel.

## Output

A JSON response indicating whether the given phone number is a registered WhatsApp user, typically including a boolean valid/registered field and possibly additional metadata about the account status.

## Response schema (JSON Schema)

```json
{
 "type": "json"
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/anyapi-whatsapp-phone-number-validator-a9c12abf/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.getanyapi.com](https://www.zero.xyz/host/api.getanyapi.com/llms.txt)