curl -X DELETE "https://server.smartlead.ai/api/v1/leads/categories/789?api_key=YOUR_KEY"

import requests

API_KEY = "YOUR_API_KEY"
category_id = 789

response = requests.delete(
    f"https://server.smartlead.ai/api/v1/leads/categories/{category_id}",
    params={"api_key": API_KEY}
)

result = response.json()
if result.get('ok'):
    print(f"Category {category_id} deleted")
elif response.status_code == 409:
    print("Category is still assigned to leads - unassign it first")

const API_KEY = 'YOUR_API_KEY';
const categoryId = 789;

const response = await fetch(
  `https://server.smartlead.ai/api/v1/leads/categories/${categoryId}?api_key=${API_KEY}`,
  { method: 'DELETE' }
);

const result = await response.json();
if (result.ok) {
  console.log(`Category ${categoryId} deleted`);
} else if (response.status === 409) {
  console.log('Category is still assigned to leads - unassign it first');
}

{
  "ok": true,
  "message": "Lead category deleted successfully"
}

{
  "ok": false,
  "message": "This category is assigned to some of the leads. Please unassign the category from those leads first and then delete it."
}

{
  "ok": false,
  "message": "Default categories cannot be modified or deleted"
}

{
  "ok": false,
  "message": "Lead category not found"
}