---
title: "Confirm the caller-ID verification code"
method: POST
path: "/v1/phone-numbers/{id}/whatsapp/caller-id-verification/verify"
tags: ["WhatsApp Calling"]
---

# Confirm the caller-ID verification code

`POST /v1/phone-numbers/{id}/whatsapp/caller-id-verification/verify`

Submits the one-time code the number received. On success, `tel:`
call forwards present the business number itself as caller ID
(`callerIdMode: business`).

## Path parameters

- `id` string, required

## Request body

- object
  - `code` string, required

## Response `200`

Verified

- object
  - `verified` boolean

## Other responses

- `400` — Invalid or expired code, or malformed request
- `401` — Unauthorized
- `404` — Number not found
- `429` — Attempt lockout from the carrier; wait a few minutes, then request a fresh code

---

[API](https://skmtc.net/zernio/apis/zernio-api.md) · [All operations](https://skmtc.net/zernio/apis/zernio-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/zernio/zernio-api/revisions/f81ca70ea6b9/schema)