Get Developer Tokens

curl --request GET \
  --url http://voiceharbor.ai/api/admin/developer-tokens \
  --header 'Authorization: Bearer <token>'

{
  "developerTokens": [
    {
      "usage_token": "<string>",
      "created_at": "2023-11-07T05:31:56Z"
    }
  ]
}