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The RAG Chat API provides endpoints for creating and managing persistent chat sessions that integrate with knowledge bases using Retrieval-Augmented Generation (RAG).

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Base URL

http://localhost:8080/api/rag-chat

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Available Endpoints

Create Session

POST /sessions - Start a new chat session

Send Message

POST /sessions//messages/stream - Send message with streaming response

List Sessions

GET /sessions - Get all chat sessions

Get Details

GET /sessions/ - Get session with full message history

Update Title

PUT /sessions//title - Change session title

Pin Session

PUT /sessions//pin - Toggle pin status

Update Knowledge Bases

PUT /sessions//knowledge-bases - Change queried knowledge bases

Delete Session

DELETE /sessions/ - Remove session and messages

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Authentication

Currently, the API does not require authentication. In production deployments, implement authentication and authorization to ensure users can only access their own sessions.

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Response Format

All endpoints (except streaming) return responses in this format: 
{
  "code": 200,
  "message": "success",
  "data": { /* endpoint-specific data */ }
}
Error responses: 
{
  "code": 400,
  "message": "Invalid request: knowledgeBaseIds cannot be empty",
  "data": null
}

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Common Error Codes

CodeDescription
200Success
400Bad Request - Invalid input
404Not Found - Session does not exist
500Internal Server Error

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Session Lifecycle

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See Also

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