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Welcome to Kejue

Kejue lets you build and deploy intelligent AI agents that communicate with your customers over voice and chat. This documentation covers the core concepts of the platform and the public API.

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Getting Started

API Reference

Explore all available API endpoints — create calls, manage campaigns, and more.

Personas

Learn how to configure your AI agent’s identity, voice, and behavior.

Tool Calling

Give your agents the ability to take actions during and after conversations.

Webhooks

Receive real-time notifications when calls and campaigns complete.

Inbound Routing

Configure phone numbers to receive inbound calls handled by your AI agents.

Dynamic Prompt Variables

Personalize prompts with contact data and per-call context.

Mid-Call Context Injection

Send messages and instructions to your AI agent during a live call.

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Key Features

  • AI Voice Agents — Deploy personas that handle inbound and outbound phone calls
  • Chat Agents — Connect personas to WhatsApp and other messaging channels
  • Knowledge Bases — Give your agents access to your own content via RAG
  • Tool Calling — Let agents take actions in real-time or after conversations end
  • Memory — Agents remember contacts across conversations
  • Campaigns — Batch-call thousands of contacts with shared settings
  • Webhooks — Get real-time notifications for all call and campaign events

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Authentication

All API requests require an API key passed in the X-API-Key header: 
X-API-Key: kej_live_...
API keys are scoped to a workspace. Create and manage keys from the Kejue dashboard under Settings > API Keys.

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Base URL

https://api.kejue.co/api/v1