---
title: "Check if numbers exist on WhatsApp"
method: POST
path: "/chat/whatsappNumbers/{instance}"
tags: ["Chat"]
---

# Check if numbers exist on WhatsApp

`POST /chat/whatsappNumbers/{instance}`

Checks whether the given phone numbers are registered on WhatsApp

## Path parameters

- `instance` string, required

## Request body

- DtoNumberExistsRequest
  - `numbers` string[], required

## Response `200`

List of number existence results

- object[]

## Other responses

- `400` — Bad Request
- `422` — Unprocessable Entity
- `500` — Internal Server Error

---

[API](https://skmtc.net/verbeux-ai/apis/whatsmiau-api.md) · [All operations](https://skmtc.net/verbeux-ai/apis/whatsmiau-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/verbeux-ai/whatsmiau-api/revisions/5af3cb49985a/schema)