What will your AI agent do?
Pick a goal — Custama configures the right agent role, tone, and workflows for it.
From your content to a live agent in four steps
Built for Japanese business — and the AI era
See how Custama compares to legacy FAQ chatbots.
| Feature | Legacy FAQ chatbot | Custama |
|---|---|---|
| Setup | Weeks of scripting and scenario trees | Upload your content — live the same day |
| Answers | Rigid keyword matching | LLM understanding, grounded in your knowledge base |
| Tone | One fixed style | Adaptive, emotion-aware, Japan-ready tone |
| Channels | Web only, or paid add-ons | Web + LINE + WhatsApp built in |
| Improvement | Manual maintenance | Self-learning with weekly AI suggestions |
| Human handoff | Separate tool | Built-in live chat + tickets |
| Data location | Often unclear | Processed and stored in Japan |
Your customers' data never leaves Japan
AI inference runs on Claude via Amazon Bedrock in the Tokyo region. Your knowledge base and conversation history are stored in Japan, encrypted in transit and at rest. Your data is never used to train the AI model.
Learn more about securityIn-region inference
Requests are processed inside Japan, not routed overseas.
Japan-resident storage
Knowledge base and conversations stay in the Tokyo region.
No training on your data
Customer inputs and outputs are not used to train models.
One agent, every channel your customers use
Deploy once. Custama routes conversations across Web, LINE, and WhatsApp seamlessly.
Everything you need to automate support and sales
A complete platform — from knowledge ingestion to analytics.
Built for every team and industry
From EC to public sector — Custama adapts to your industry's needs.
Trusted to handle real conversations
“We deployed a LINE support agent in a single afternoon. Our support ticket volume dropped 60% in the first month — and customers actually prefer the bot.”

“The data residency guarantee was the deciding factor for our compliance team. Everything stays in Japan, the setup was straightforward, and the Japanese politeness presets are genuinely impressive.”

“Our hotel guests get instant answers in Japanese, English, and Chinese — 24/7. The emotion-aware tone means anxious guests get a warm, reassuring response every time.”

Trusted by leading Japanese businesses
We help you get live — and keep improving
Guided onboarding, documentation, and support so you launch quickly and your agent keeps getting better.
Launch your AI agent today
Build a Japanese-speaking support agent in minutes — no code, deployed to web and LINE, with data kept in Japan.