curl --request GET \
  --url https://api.fish.audio/wallet/{user_id}/api-credit \
  --header 'Authorization: Bearer <token>'

{
  "_id": "<string>",
  "user_id": "<string>",
  "credit": "<string>",
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z",
  "has_phone_sha256": true,
  "has_free_credit": true
}