---
title: "Whatsapp Connect Number"
method: POST
path: "/integrations/whatsapp/{connection_id}/numbers"
tags: ["whatsapp"]
---

# Whatsapp Connect Number

`POST /integrations/whatsapp/{connection_id}/numbers`

Connect an additional number from an already-connected WABA: validates
the number belongs to the WABA, registers it for Cloud API use, and binds
it (dual-channel when the E.164 already exists on this account).

## Path parameters

- `connection_id` string, required

## Request body

- WhatsAppNumberConnectRequest
  - `phone_number_id` string, required — Meta phone_number_id of a number on this WABA
  - `agent_id` string, nullable — Optional agent to attach the number to

## Response `200`

Successful Response

- unknown

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.net/agentphone/apis/agentphone-api.md) · [All operations](https://skmtc.net/agentphone/apis/agentphone-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/agentphone/agentphone-api/revisions/e4bbf7040a0e/schema)