ApiConnection.json

{
  "$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "location": {
      "type": "string",
      "metadata": {
        "description": "Location of the API Connector."
      },
      "defaultValue": "[resourceGroup().location]"
    },
    "customApiName": {
      "type": "string",
      "metadata": {
        "description": "Name of the Custom API."
      }
    },
    "apiConnName": {
      "type": "string",
      "metadata": {
        "description": "Name of the API Connector."
      }
    },
    "apiConnAuthKey": {
      "type": "securestring",
      "metadata": {
        "description": "The API Key for the API Connector."
      }
    }
  },
  "variables": {
    "customApi": {
      "name": "[parameters('customApiName')]"
    },
    "apiConn": {
      "name": "[parameters('apiConnName')]",
      "apiVersion": "[providers('Microsoft.Web', 'connections').apiVersions[0]]",
      "location": "[parameters('location')]",
      "authKey": "[parameters('apiConnAuthKey')]"
    }
  },
  "resources": [
    {
      "comments": "### RESOURCE - API CONNECTION - KEY VAULT ###",
      "type": "Microsoft.Web/connections",
      "apiVersion": "[variables('apiConn').apiVersion]",
      "location": "[variables('apiConn').location]",
      "name": "[variables('apiConn').name]",
      "tags": {},
      "properties": {
        "api": {
          "id": "[concat(resourceGroup().id, '/providers/Microsoft.Web/customApis/', variables('customApi').name)]"
        },
        "displayName": "[variables('apiConn').name]",
        "parameterValues": {
          "api_key": "[variables('apiConn').authKey]"
        }
      }
    }
  ],
  "outputs": {
    "apiConnectionName": {
      "type": "string",
      "value": "[variables('apiConn').name]"
    }
  }
}