Create Knowledge Base

Create a new knowledge base in a workspace. Optionally configure chunking parameters for document processing.

POST/api/v1/knowledge

Authorization

apiKey
X-API-Key<token>

Your Sim API key (personal or workspace). Generate one from the Sim dashboard under Settings > API Keys.

In: header

Request Body

application/json

TypeScript Definitions

Use the request body type in TypeScript.

Response Body

application/json

application/json

application/json

application/json

application/json

curl -X POST \  "https://www.sim.ai/api/v1/knowledge" \  -H "X-API-Key: YOUR_API_KEY" \  -H "Content-Type: application/json" \  -d '{    "workspaceId": "YOUR_WORKSPACE_ID",    "name": "Product Documentation",    "description": "Internal product docs for search",    "chunkingConfig": {      "maxSize": 1024,      "minSize": 100,      "overlap": 200    }  }'
{
  "success": true,
  "data": {
    "knowledgeBase": {
      "id": "kb_abc123",
      "name": "Product Docs",
      "description": "Product documentation and FAQs",
      "docCount": 0,
      "tokenCount": 0,
      "embeddingModel": "text-embedding-3-small",
      "createdAt": "2026-01-15T10:30:00Z",
      "updatedAt": "2026-01-15T10:30:00Z"
    },
    "message": "Knowledge base created successfully"
  }
}
{
  "error": "string",
  "details": [
    {}
  ]
}
{
  "error": "string"
}
{
  "error": "string"
}
{
  "error": "string"
}