GET /v1/knowledge/:id

curl -X GET "https://api.callem.ai/v1/knowledge/abc123def456789012345678" \
  -H "Authorization: Bearer ck_live_your_api_key_here"

{
  "id": "abc123def456789012345678",
  "name": "Product FAQ",
  "description": "Frequently asked questions about our products",
  "text": "## Pricing\nOur standard plan costs €49/month...",
  "createdAt": "2025-11-20T10:15:00.000Z"
}