curl --request DELETE \
  --url https://api.embedreach.com/api/resources/{schemaDefinitionNameOrId}/batch \
  --header 'Content-Type: application/json' \
  --data '{
  "externalIds": [
    "<string>"
  ]
}'

{
  "success": true,
  "message": "<string>",
  "data": {
    "batchId": "<string>",
    "message": "<string>",
    "recordCount": 123,
    "schemaDefinitionId": "<string>"
  }
}