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Slack Image Proxy

GoodBotVerifiedBOT

This robot is used to fetch and cache images posted into Slack channels. Operated by Slack.

GoodBot
Assessment
Page Preview
Category
BOT
Kind
1
Data sources
AI-generated summary, drawn from Cloudflare, operator docs, and community data

What is Slack Image Proxy?

Slack Image Proxy is a web crawler operated by Slack. This robot is used to fetch and cache images posted into Slack channels.

Helpful — Verified, safe crawler. Respects robots.txt and provides operator documentation.

Identification

Bot name
Slack Image Proxy
Operator
Slack
Category
Page Preview
Kind
BOT
Verification
Verified bot
Cloudflare slug
slackbotimg
User-agent patterns
Slack-ImgProxy
User-agent string
Slack-ImgProxy (+https://api.slack.com/robots)
Main use cases
Link preview generationThumbnail creationSocial media cards

Why it crawls your site

Slack Image Proxy crawls websites to generate link previews and thumbnails for shared URLs. It is operated by Slack as part of their link preview infrastructure. If you see this bot in your server logs, it is a verified crawler and generally safe.

Block or allow Slack Image Proxy

Block it

Add a Disallow rule for Slack-ImgProxy in your robots.txt file. You can also block at the server level using your web server configuration or CDN firewall rules to filter requests matching the user-agent string.

# Block Slack Image Proxy from crawling your entire site
User-agent: Slack-ImgProxy
Disallow: /

# Allow Slack Image Proxy full access
User-agent: Slack-ImgProxy
Allow: /
Allow & verify

Ensure your robots.txt allows Slack-ImgProxy. Verify requests are genuine by checking the user-agent string and referring to Slack's documentation.

Traffic & trends

Cloudflare Radar traffic

No Cloudflare traffic data available.

Google Trends interest

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Related bots

Other crawlers operated by Slack.

Data sources

This profile is compiled from the following sources.

CloudflareRadar
Last updated July 26, 2026