         completion: @escaping (ConsumerSession.LookupResponse?, Error?) -> Void
     ) {
         let endpoint: String = "consumers/sessions/lookup"
-        var parameters: [String: Any] = [:]
+        var parameters: [String: Any] = [
+            "request_surface": "ios_payment_element",
+        ]
         if let email = email {
             parameters["email_address"] = email.lowercased()
         }

        let endpoint: String = "consumers/payment_details/\(id)"

        let parameters: [String: Any] = [
            "credentials": ["consumer_session_client_secret": consumerSessionClientSecret]
        ]

        APIRequest<STPEmptyStripeResponse>.delete(


        let parameters: [String: Any] = [
            "credentials": ["consumer_session_client_secret": consumerSessionClientSecret],
            "request_surface": "ios_payment_element",
            "bank_account": [
                "account": linkedAccountId,
            ],
