curl "https://server.smartlead.ai/api/v1/crm/leads/tags?api_key=YOUR_KEY&leadId=123"

{
  "ok": true,
  "data": [
    {
      "id": 1,
      "tag_mapping_id": 789,
      "name": "VIP",
      "color": "#FF5733"
    },
    {
      "id": 2,
      "tag_mapping_id": 790,
      "name": "Enterprise",
      "color": "#4CAF50"
    }
  ]
}

{
  "message": "Invalid API Key"
}