curl --request POST \
  --url https://waves-api.smallest.ai/api/v1/pronunciation-dicts \
  --header 'Content-Type: application/json' \
  --data '{
  "items": [
    {
      "word": "hello",
      "pronunciation": "həˈloʊ"
    },
    {
      "word": "world",
      "pronunciation": "wɜːrld"
    }
  ]
}'

{
  "id": "64f1234567890abcdef12345",
  "items": [
    {
      "word": "hello",
      "pronunciation": "həˈloʊ"
    },
    {
      "word": "world",
      "pronunciation": "wɜːrld"
    }
  ],
  "createdAt": "2023-09-01T12:00:00.000Z"
}