curl https://sandbox.layerfi.com/v1/configure/plaid \
  -H "Authorization: Bearer <access_token>"

{
  "data":{
    "type":"Plaid_Configuration",
    "client_id":"6488fafd7a73ae00122004d6",
    "secret_last_4":"acae",
    "plaid_env_url_override": "SANDBOX"
  }
}