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How do I block a problem client from booking my services online?

Process: Cancellations and no-shows. Reviewed 2026-10-07.

Short answerBlock a problem client by flagging the customer record, using any block or do-not-service setting your tool offers, and declining requests that arrive under a new email or number. Because a public booking page cannot always recognize returning people, a clear decline message is the fallback.

The explanation

A public booking page is open by design, so blocking works by matching. Tools that offer a block list compare phone numbers or email addresses on each request. A determined person can use a new email, so you also need a habit: review every new request and check the address against your flagged list.

Set the flag with a reason on the customer record, and make sure everyone who confirms requests can see it. When a flagged person tries again, decline with a short neutral note: you are unable to take the booking. No explanation is required, and arguing invites escalation.

Also handle what exists. Cancel any future visits, refund prepaid amounts if they are due, and remove the person from reminder lists. Keep your notes factual, since a record that states the facts supports you if the person complains.

Steps

  1. Flag the customer record with a factual reason visible to your team.
  2. Cancel future visits and settle any prepaid balance.
  3. Use the tool's block or do-not-service setting if one exists.
  4. Decline new requests from the same person with a short neutral message.

How Apex does it

In progress

Part of this is built. The rest is not. Status as of 2026-10-07; the badge shows the least-built feature involved.

Apex is designed with a do-not-service list, new-versus-returning customer rules, and online requests that arrive pending until the owner confirms, which gives a point to decline a flagged person. Rules for returning customers are partly built.

  • LD20Do-not-service / blocked customer list(Rolling out)
  • BK37New-vs-returning customer rules(In progress)
  • BK11Booking requires owner approval (request mode)(Built)

Apex Flow Scheduler is in early access. See how we label status.

Where this question comes from: owners type it, or a close variant, into search boxes. It was returned by public search suggestions (Google, Bing or DuckDuckGo) when we collected them on 2026-10-06; the exact phrase seen was “how do i block a client from booking on vagaro?”. We do not have search volumes.

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