curl --request POST \
  --url https://api.example.com/cost/create \
  --header 'Content-Type: application/json' \
  --data '
{
  "costs": {},
  "project_id": "<string>",
  "wb_user_id": "<string>"
}
'

{
  "ids": [
    [
      "<string>",
      "<string>"
    ]
  ]
}