---
title: "Create a Google Ads label"
method: POST
path: "/v1/ads/labels"
tags: ["Ad Accounts"]
---

# Create a Google Ads label

`POST /v1/ads/labels`

Creates a label on a Google Ads customer. Attach it to campaigns, ad groups, ads and
keywords with `POST /v1/ads/labels/{labelId}/assignments`. Label names are unique per
customer; a duplicate is a 400.

## Request body

- object
  - `accountId` string, required — Zernio SocialAccount id (Google Ads)
  - `adAccountId` string — Google customer id. Required when the connection has multiple customers.
  - `customerId` string — Alias of adAccountId
  - `name` string, required — Trimmed before sending.
  - `backgroundColor` string — #RRGGBB. Google picks a color when omitted.
  - `description` string

## Response `201`

Label created

- object
  - `customerId` string
  - `id` string — Google label id
  - `resourceName` string — customers/{customerId}/labels/{id}

## Other responses

- `400` — Invalid request
- `401` — Unauthorized
- `404` — The account or requested resource was not found or is not accessible. An account ID may have been disconnected and removed. Read GET /v1/accounts for current account IDs.
- `409` — The account exists but is inactive or needs reconnection. Reconnect it, then read GET /v1/accounts for its current account ID before retrying. Code: ads_connection_required.
- `501` — Only available on Google Ads accounts

## Changes

- **2026-09-28** `1c23a639830f` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/zernio/apis/zernio-api/changes/v1/ads/labels/post.md)

---

[API](https://skmtc.dev/zernio/apis/zernio-api.md) · [All operations](https://skmtc.dev/zernio/apis/zernio-api/llms.txt) · [OpenAPI document](https://skmtc.dev/zernio/apis/zernio-api/revisions/1c23a639830f?raw)
