# POST /sell/marketing/v1/ad_campaign/{}/launch stops working

Calls to POST /sell/marketing/v1/ad_campaign/{}/launch on eBay API stopped working on March 31, 2026.

- API: eBay API (api.ebay.com)
- Kind: Endpoint removal
- Takes effect: March 31, 2026
- Calls after that day: fail
- Calls it hits: `POST /sell/marketing/v1/ad_campaign/{}/launch`
- Source: [Announcement](https://developer.ebay.com/develop/api/marketing-api/release-notes)
- Page: https://www.okapi.bot/providers/ebay-api/breaking-changes/post-sell-marketing-v1-ad-campaign-launch-stops-working/

## What to use instead

Create campaigns with createCampaign (POST /sell/marketing/v1/ad_campaign), which starts them on their start date, or resume one with resumeCampaign.

## eBay API's words

> The setupQuickCampaign and launchCampaign methods have been decommissioned and removed from the campaign resource.