Draft replies to emails, tickets, and more with AI

Cassidy helps customer support teams respond to users faster by searching across previous tickets and your company knowledge (Notion, Drive, Sales materials, etc.) to draft responses.
Branded graphic illustration showing how Cassidy AI allows users to automatically draft replies to customer messages
Trusted by 20,000+ teams & Fortune 500 Companies
Enterprise grade security (SOC 2 Type II, GDPR, ...)

Never manually write customer replies again

Writing effective responses takes on average 6 minutes. But AI tools like ChatGPT write generic, off-brand responses. Cassidy real-time searches across your company knowledge and writes responses in your company's tone.
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Answer any support question

Cassidy connects to 100+ tools in real-time to search for answers across customer, product, and engineering documentation. Get the most accurate answers, the fastest.
Branded graphic illustration showing how Cassidy AI allows users to automatically draft answers to customer questions, citing sources from companies' knowledge base

Draft replies inside Slack or Microsoft Teams

Bring Cassidy to all of your existing communication tools so you can quickly ask questions on the fly and get accurate answers with sources quoted.
Branded graphic illustration showing how Cassidy AI allows users to answer customer messages directly inside Slack & Microsoft Teams

Answer emails inside Chrome

Chat with Cassidy's Assistants anywhere on the internet. Our Chrome Extension can read your page in real-time to write replies for you.
Branded graphic illustration showing how Cassidy AI allows users to answer customer emails directly inside Chrome

Draft responses to tickets

Whether your team uses ZenDesk, Intercom, or any other ticketing tool, you can open Cassidy's Chrome Extension to draft replies with your Assistants in seconds.
Branded graphic illustration showing how Cassidy AI allows users to draft replies to customer support tickets from Intercom & Zendesk

Integrates with all of your existing tools

Cassidy connects and real-time syncs with hundreds of tools that your team is already using to guarantee a seamless experience for everyone.
"Cassidy allows us to be much more proactive in addressing critical customer complaints - automatically escalating issues to a manager who can solve customer problems quickly."
Exequiel, Customer Ops Director
RVezy is North America's top-rated peer-to-peer RV rental marketplace, often called the "Airbnb of RVs." Founded in 2016, it connects RV owners with renters, facilitating unique travel experiences.
Learn how RVezy automates support tickets to save hundreds of hours of work every month
300h
per month saved on support tickets
Enterprise-level security
SOC 2 Type II
GDPR
CASA

The security-first AI platform

Single Sign-On (SSO)
capability
Supports enterprise Single Sign-On (SSO) providers to ensure secure and centralized user authentication.
SOC 2 Type II
compliant
Cassidy has achieved SOC 2 Type II compliance, demonstrating our adherence to user and workspace security.
Advanced user-level
permissions
Configure your workspace to have restricted permissions to data depending on user level.
GDPR compliant &
CASA certified
Cassidy adheres to GDPR compliance regulations and is CASA Certified, with advanced security for user privacy.
Enterprise-level
data security
Our security infrastructure includes row-level security and granular access control, protecting against unauthorized access.
No model
training
Unlike ChatGPT and other platforms, we never use your private data to re-train models.

FAQ

Have a question? Here are the answers to our most frequently asked questions. If you don’t find what you’re looking for make sure to contact us.
How does Cassidy generate replies?

Cassidy searches across your company’s tools - like Notion, Google Drive, Zendesk, and past tickets - to find the most relevant answers, then drafts responses in your brand’s tone.

Can we approve replies before they’re sent?

Yes. Replies can be set to require human review before sending, giving your team full control over what goes out.

What kinds of messages can Cassidy help with?

Cassidy can draft responses to customer tickets, emails, internal questions, Slack/Teams chats, and more—anywhere your team communicates.

Does Cassidy work inside Zendesk, Gmail, Slack, etc.?

Cassidy can draft responses to customer tickets, emails, internal questions, Slack/Teams chats, and more—anywhere your team communicates.

Can Cassidy match our brand voice?

Absolutely. Cassidy adapts to your brand tone using your existing content and language, so replies sound like they came from your team—not a generic bot.

How does Cassidy know which content is accurate?

Cassidy cites its sources and prioritizes trusted content. You can flag sources as verified or outdated to keep replies consistent and reliable.

How fast can we start using it?

Teams are typically drafting AI-powered replies within a day. Setup is quick—just connect your tools and pick where replies should be used.

Unlock a new era of AI automations

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