IndexNow Protocol Guide 2026: Instant URL Submission to Bing & Yandex
Executive Summary
Core Insights
- IndexNow is an open protocol for instant URL submission, allowing websites to proactively notify search engines of content changes.
- It is natively supported by Bing and Yandex, providing the fastest indexing speeds for those platforms.
- Implementation requires a simple API key verification file hosted on your domain root.
- While Google does not officially support IndexNow, SiteGrip bridges the gap by submitting to both IndexNow and the Google Indexing API simultaneously.
- Proactive submission triggers crawling and indexing within minutes, bypassing the delays of traditional organic discovery.
IndexNow is an open protocol that lets websites instantly notify search engines when content is created, updated, or deleted. It bypasses the delays of traditional crawling.
Engine Support Matrix
Bing
Co-created by Microsoft. Essential for Bing ranking.
Yandex
Russia's largest engine. Supported natively.
DuckDuckGo
Benefits indirectly from Bing IndexNow submissions.
Google uses its own Indexing API exclusively.
How it Works
Generate an API key (a unique string or GUID).
Host the key in a text file at your domain root.
Send a POST request to the IndexNow endpoint.
API Request Payload
{
"host": "sitegrip.com",
"key": "your-api-key-here",
"keyLocation": "https://sitegrip.com/your-api-key-here.txt",
"urlList": [
"https://sitegrip.com/blog/new-post",
"https://sitegrip.com/product/new-product"
]
}Automated IndexNow + Google Sync
SiteGrip submits every updated URL to Bing (via IndexNow) and Google (via API) simultaneously.
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