Short answer
IndexNow is an open protocol for telling participating search engines, including Bing, that a URL was added, updated or deleted. Because ChatGPT search can use partner search providers and Copilot relies on Microsoft's index, faster Bing discovery can help new pages appear sooner.
Setup
- Generate a key and host the key file on your domain
- Ping the IndexNow endpoint when pages change (many CMS plugins do this)
- Watch Bing Webmaster Tools for crawl confirmation
Questions
Does Google use IndexNow?
Google hasn't adopted it; use sitemaps and Search Console.
Facts checked against the sources below on 12 October 2026. Platforms change quickly: if something here no longer matches what you see, tell us and we will update it.
