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Agent reference · Search crawler

bingbot

Bing's crawler, which also grounds Copilot's answers. Verified against Bing's IP list (Bing's file may be stale; we flag that).

Vendor
Microsoft
Agent type
Search crawlerIndex pages so an AI assistant can find and cite them when people ask.
Can be verified by
Published addressesThe vendor publishes where this agent runs from, so a visit can be checked against that list.
How sure we are
DocumentedThe vendor's own documentation describes this agent.
Last reviewed
Vendor documentation
bing.com (opens in a new tab)

Tokens to look for

User-Agent tokens

Appear in the User-Agent header of its requests.

  • bingbot
  • BingPreview

robots.txt tokens

No robots.txt token is documented for it.

Check a visitor claiming to be bingbot

We've filled in its token. Paste the full User-Agent from your logs and the address it came from for a real answer.

Paste the full User-Agent header from your logs. A single token such as GPTBot works too.

Optional

IPv4 or IPv6, as your logs show it. Used only for this check and never stored. Without it, a claim can only come back as can't be verified.

What this means for your site

bingbot decides whether an AI assistant can find your pages and cite them. If it can't read your site, the assistant answers about your category without you.

See whether AI agents can find your product, use it and, soon, pay for it.

Run the free agent-readiness check