curl --location --request POST 'https://dev.api.fieldedge.com/leads/v1/items' \
--header 'Content-Type: application/json' \
--data-raw '{
"Type": "Inventory",
"ExternalId": "EXT-1001",
"name": "Air Filter",
"description": "High efficiency air filter suitable for HVAC systems.",
"cost": 20.5,
"rate": 35,
"categoryId": "b3a41f9f-2c62-4f0b-b6aa-6e2a2dfb9a11",
"category": "HVAC:Filters",
"image": "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAA...",
"taxable": true,
"salesTaxCode": "7e9d6c0a-11b4-4c6e-bc6f-0d20a5c9a321",
"TaxCode": "b0fa8549-a34d-4360-9d79-a72c1ab6726c",
"taxableSpecify": "Standard Tax"
}'