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AI-first chat with human handoff BYOK or 51Kefu-managed AI. White-label controls included.
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AI-first support you control

AI answers first. Humans take over in the same thread. Your team keeps the controls.

51Kefu combines AI-first replies, human handoff, a live operator inbox, and branded widget controls in one support surface. Choose 51Kefu-managed AI or bring your own OpenAI key, then deploy the way your team prefers.

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No credit card required. Full access from day one.

13 ready-made templates Round or pill launcher Managed or BYO GPT key AI + human inbox in one thread
Commercial rollout clarity

Choose 51Kefu-managed AI, customer-managed AI, human seats, and white-label controls without splitting setup across multiple tools.

Operator-ready from day one

Launcher shape, welcome copy, prompts, routing, reports, and handoff settings are already in the same control room.

One script tag to embed. White-label controls built in.

5 min From sign-up to live AI support
24/7 AI answers around the clock
White-label Brand colors, copy, and launcher controls
AI + Human Seamless handoff in the same thread

Why teams choose 51Kefu

AI ownership without the guesswork

Configure prompts, choose your model path, and decide whether 51Kefu manages the AI key or your team does.

One operator surface

Live inbox, routing, canned responses, tickets, webhooks, contacts, reporting, and widget settings stay in one workspace instead of getting split across tools.

Predictable pricing structure

Seat-based plans keep AI, human, and billing choices explicit so teams can forecast rollout cost more cleanly.

Rollout path

Start with the hosted stack. Scale when you are ready.

51Kefu is designed for teams that want a straightforward hosted experience today and a clear path to scaling when production demands grow.

Knowledge base

Teach the assistant from your actual content.

Add articles manually, import by URL, or use the built-in site crawl flow so the AI has grounded answers before operators ever need to step in.

Operator handoff

Human takeover without a dead-end bot experience.

When a visitor needs a person, the conversation moves into the operator inbox with the transcript intact so the team can continue instead of restarting.

Built for teams that care about Human handoff Content-backed answers Live inbox White-label controls Seat-based plans Tickets Webhooks Audit logs