What is an auto-reply?

An auto-reply is a message sent automatically in response to an incoming customer request — most often an acknowledgement ("We've got your message") or an out-of-office notice. Used well, it sets expectations and reassures customers their request was received, even before a human or AI agent picks it up.

How auto-replies are used in support

The most common support auto-reply confirms receipt and sets expectations: it tells the customer you got their message and roughly when to expect a real answer. Out-of-office and after-hours auto-replies do the same for periods when no one is available. The key is that they manage expectations — silence is what frustrates customers.

Auto-reply vs a real answer

An acknowledgement auto-reply isn't a resolution, and most teams don't count it as their first response time. The bigger upgrade is an AI agent that sends a genuine answer automatically rather than just "we received your message" — turning the automatic reply into an actual resolution for common questions.

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Questions about Auto-Reply

Does an auto-reply count as a first response?

Usually not — most teams measure first response time to the first substantive reply, not an automated acknowledgement. A genuine AI-agent answer, however, does count. See first response time.

What should a support auto-reply say?

Confirm you received the message, set a realistic expectation for when they'll hear back, and point to self-service options (help center) they can use in the meantime.

Related terms

First Response Time (FRT)

First Response Time (FRT) is the average time between a customer reaching out and getting the first human (or AI) reply. It's a first impression metric: a fast first response reassures customers their issue is being handled, even if the full resolution takes longer. It strongly influences satisfaction.

Business Hours (Support)

In customer support, business hours are the times your team is available to respond to customers. Clearly communicating them sets expectations about response times, scopes your SLAs, and tells customers when to expect a reply — while AI agents and self-service extend help into the hours your team is offline.

AI Agent (Customer Support)

An AI agent in customer support is software that resolves customer questions on its own: it understands natural language, answers from your knowledge base, cites its sources, and hands off to a human when it isn't confident. Where a scripted chatbot can only follow fixed flows, an AI agent resolves documented issues directly.

Browse the full customer support glossary →