List Counterparties

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

{
  "data": [
    {
      "ach": {
        "account_number": "64141601",
        "account_type": "checking",
        "routing_number": "021001208"
      },
      "created_at": "2017-11-02T11:55:14Z",
      "id": "cp_1029384756",
      "name_on_account": "George Washington",
      "plaid_processor_token": null,
      "updated_at": "2017-11-02T11:55:14Z",
      "userdata": null,
      "wire": null
    }
  ]
}