Attach a directory entry to many expiries

curl -X POST 'https://api.expiryedge.com/v1/bulkAttachDirectoryToExpiries' \
  -H "Authorization: Bearer $EXPIRYEDGE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "directoryEntryId": "dir_6Hv3",
  "expiryIds": [
    "exp_4Tq9sLm2",
    "exp_9Pd3kWx1"
  ],
  "mode": "add"
}'

{
  "success": true,
  "mode": "add",
  "attached_count": 2,
  "attached_items": [
    {
      "id": "exp_4Tq9sLm2",
      "name": "Northwind Dental - State Dental License"
    },
    {
      "id": "exp_9Pd3kWx1",
      "name": "Northwind Dental - Malpractice Insurance"
    }
  ]
}