curl --request GET \
  --url https://api.sandbox.asapp.com/configuration/v1/custom-vocabularies \
  --header 'asapp-api-id: <api-key>' \
  --header 'asapp-api-secret: <api-key>'

{
  "customVocabularies": [
    {
      "phrase": "IEEE",
      "soundsLike": [
        "I triple E"
      ],
      "id": "1"
    }
  ],
  "nextCursor": "6b29fc40-ca47-1067-b31d-00dd010662da",
  "prevCursor": "04719ebd-13e1-40e9-8b92-0941cd16a19c"
}