Update a knowledge base name, description, chunking configuration, or folder placement. A workspace folder tree over 10,000 folders is a 413.
/api/v2/knowledge/{id}Authorization
apiKey Your Sim API key, personal or workspace-scoped. Generate one under Settings, then API Keys. Operations that reject workspace keys say so in their own description.
In: header
Path Parameters
Unique knowledge base identifier.
1 <= lengthRequest Body
application/json
Workspace scope and fields to update. At least one mutable field is required.
TypeScript Definitions
Use the request body type in TypeScript.
Response Body
application/json
application/json
application/json
application/json
application/json
application/json
application/json
application/json
application/json
application/json
curl -X PATCH "https://www.sim.ai/api/v2/knowledge/string" \ -H "X-API-Key: YOUR_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "workspaceId": "string" }'{
"data": {
"id": "7c9e6679-7425-40de-944b-e07fc1f90ae7",
"name": "Product Documentation",
"description": "All product documentation and guides",
"tokenCount": 48213,
"embeddingModel": "text-embedding-3-small",
"embeddingDimension": 1536,
"chunkingConfig": {
"maxSize": 1024,
"minSize": 100,
"overlap": 200,
"strategy": "auto",
"strategyOptions": {
"pattern": "string",
"separators": [
"string"
],
"recipe": "plain",
"strictBoundaries": true
},
"property1": null,
"property2": null
},
"docCount": 12,
"connectorTypes": [
"notion",
"google_drive"
],
"createdAt": "2025-01-10T09:00:00Z",
"updatedAt": "2025-06-18T16:45:00Z",
"ownerEmail": "owner@example.com",
"folderPath": "/Product"
}
}{
"error": {
"code": "BAD_REQUEST",
"message": "Invalid request"
}
}{
"error": {
"code": "UNAUTHORIZED",
"message": "API key required"
}
}{
"error": {
"code": "FORBIDDEN",
"message": "Insufficient workspace permissions",
"details": {
"code": "INSUFFICIENT_WORKSPACE_ROLE"
}
}
}{
"error": {
"code": "NOT_FOUND",
"message": "Not found"
}
}{
"error": {
"code": "CONFLICT",
"message": "Upload has already been completed"
}
}{
"error": {
"code": "PAYLOAD_TOO_LARGE",
"message": "Request body is too large"
}
}{
"error": {
"code": "RATE_LIMITED",
"message": "API rate limit exceeded",
"details": {
"retryAfter": "2026-01-01T00:00:30.000Z"
}
}
}{
"error": {
"code": "INTERNAL_ERROR",
"message": "Internal server error"
}
}{
"error": {
"code": "SERVICE_UNAVAILABLE",
"message": "Service temporarily unavailable"
}
}