List ACH Transfers

curl --request GET \
  --url https://api.treasuryprime.com/ach \
  --header 'Authorization: Basic <encoded-value>'

{
  "data": [
    {
      "account_id": "acct_1234567890",
      "amount": "100.00",
      "counterparty_id": "cp_0987654321",
      "created_at": "2017-11-02T11:55:14Z",
      "description": null,
      "direction": "credit",
      "effective_date": "2017-11-03",
      "error": null,
      "id": "ach_1029384756",
      "originator_name": null,
      "scheduled_settlement": null,
      "sec_code": "ppd",
      "service": "standard",
      "status": "pending",
      "updated_at": "2017-11-02T11:55:14Z",
      "userdata": null
    }
  ]
}