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Customize controls how your agent sounds and how it looks on your website. Two tabs, with a live preview beside them — every change shows in the preview before you save. Pick the agent you are editing from the selector at the top.

Personality

Tone

Six options, each shaping how the agent writes:

Welcome message

The first thing a visitor sees when the chat opens. Say what your agent can help with, so people ask the right things. Example: “Hi! I’m the support assistant for Acme Co. Ask me anything about our products, shipping or returns.”

Input placeholder

The grey hint text inside the message box.

Teaser message

A small prompt shown beside the closed chat button, to invite people to open it.

Reply time

Text shown under your agent’s name, such as “Typically replies instantly”. Leave it empty and the widget shows Online instead.
AgntLabs will not invent a default here — an empty field means no speed claim is made on your behalf.

The “AI Agent” label

A small badge beside your agent’s name telling visitors they are talking to software. On by default.
Some regions legally require disclosure that a customer is talking to an AI. Check your obligations before turning this off.

Support email

Where escalations go when the agent hands off to a person.

Appearance

Theme

Light or Dark. Available on every plan.
An older Brand theme was retired. Agents that used it were moved to Light with their purple kept, so nothing changed visually.

Brand colour Starter and above

One hex code drives the header, the chat button, your message bubbles and the send button. Text on your colour decides the text drawn on top of it:
  • Auto — picked from the colour’s brightness (recommended)
  • White / Black — force one
AgntLabs measures the contrast and warns you if your choice is hard to read.

Logo Starter and above

Appears in the chat header. Uploaded and served from your account.

Chat button position

Two toggles combining into four positions:
  • Side — Left or Right
  • Height — Top or Bottom
Bottom-right is the usual choice.

”Powered by AgntLabs” Pro and above

Free and Starter widgets carry a small “Powered by AgntLabs AI” line. Pro and Elite can remove it.

What each plan unlocks

On a shared account, what is unlocked comes from the agent owner’s plan, not yours. A team member on a Free personal account editing an Elite account’s agent gets the Elite options.

After you save

Changes reach live widgets on their own — you do not need to re-copy your embed code. Give browser caches a few minutes.
Test in a private window if you have visited your own site recently.