LinkupBot User Agent: What It Is & How to Block It

01 · Operator

Who operates LinkupBot

Company: Linkup
Type: AI search crawler
Official docs: linkup.so

02 · Behavior

What LinkupBot does

LinkupBot crawls public web pages to build Linkup's search index. Linkup sells web search through an API for AI applications. Its user agent includes a contact address, bot@linkup.so.

03 · Impact

Why LinkupBot matters for your site

If you allow it

Your pages can be found by AI apps that use Linkup search
Operator is identified and reachable

If you block it

No published verification method
Content is served to third-party AI applications

04 · Allow

How to allow LinkupBot

robots.txt

User-agent: LinkupBot
Allow: /

Cloudflare

# Security › WAF › Custom rules › Create rule
Expression: (http.user_agent contains "LinkupBot")
Action:     Skip › All Super Bot Fight Mode rules

# Also check Security › Bots: "Block AI bots" can block it regardless of robots.txt.

WordPress

# WordPress serves a virtual robots.txt. Edit it with your SEO plugin:
# Yoast: SEO › Tools › File editor · Rank Math: General Settings › Edit robots.txt
User-agent: LinkupBot
Allow: /

nginx

# nginx serves every user agent by default.
# Make sure no rule like this blocks it:
# if ($http_user_agent ~* "LinkupBot") { return 403; }

Apache

# Apache serves every user agent by default.
# Make sure .htaccess has no rule like this:
# RewriteCond %{HTTP_USER_AGENT} LinkupBot [NC]
# RewriteRule .* - [F,L]

05 · Block

How to block LinkupBot

Start with robots.txt. If LinkupBot keeps showing up in your logs, block it at your CDN or web server.

robots.txt

User-agent: LinkupBot
Disallow: /

Cloudflare

# Security › WAF › Custom rules › Create rule
Expression: (http.user_agent contains "LinkupBot")
Action:     Block

WordPress

# WordPress serves a virtual robots.txt. Edit it with your SEO plugin:
# Yoast: SEO › Tools › File editor · Rank Math: General Settings › Edit robots.txt
User-agent: LinkupBot
Disallow: /

nginx

# In your server { } block:
if ($http_user_agent ~* "LinkupBot") {
    return 403;
}

Apache

# .htaccess
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} LinkupBot [NC]
RewriteRule .* - [F,L]
</IfModule>

06 · User agents

User agents we see for LinkupBot

User agent	Share	Last active	Status
`LinkupBot/1.0 (LinkupBot for web indexing; https://linkup.so/bot; bot@linkup.so)`	72%	2 days ago	Verified
`LinkupBot/1.0 (LinkupBot for web indexing; https://linkup.so/bot; bot@linkup.so)`	28%	24 days ago	Spoofed
`LinkupBot/1.0 (+https://linkup.so/bot; bot@linkup.so)`	0%	6 days ago	Spoofed

07 · Verification

Is it really LinkupBot?

LinkupBot’s operator publishes no IP ranges or hostnames, so requests cannot be verified. Treat the user agent as a claim, and watch your logs for unusual request rates.

IP addresses we saw from verified LinkupBot requests

IP range	Share	Last active
`35.198.113.100`	100%	2 days ago

Always check against the operator’s current list; ranges change.

FAQ

Questions about LinkupBot

What is LinkupBot?

LinkupBot is the crawler behind Linkup's search index. Linkup offers a web search API for AI.

How do I contact Linkup about LinkupBot?

The user agent lists bot@linkup.so as a contact address.

How do I block LinkupBot?

Add 'User-agent: LinkupBot' with 'Disallow: /' to robots.txt. Linkup does not document its robots.txt handling.

LinkupBot is Linkup’s AI search crawler

How LinkupBot crawls