curl --request POST \
  --url https://api.iotools.cloud/v1/tool/customer-acquisition-cost-calculator \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "marketingSpend": "5000",
  "salesSpend": "3000",
  "newCustomers": "200"
}
'

{
  "tool": "customer-acquisition-cost-calculator",
  "tool_version": "1.0.2",
  "outputs": {
    "results": [
      {
        "metric": "Total Acquisition Spend",
        "value": "$8,000.00"
      },
      {
        "metric": "Customer Acquisition Cost (CAC)",
        "value": "$40.00"
      },
      {
        "metric": "New Customers",
        "value": "200"
      },
      {
        "metric": "Marketing Share of Spend",
        "value": "62.5%"
      },
      {
        "metric": "Sales Share of Spend",
        "value": "37.5%"
      }
    ]
  },
  "credits_used": 5,
  "credits_remaining": null
}