diff --git a/lib/flinks/api/account.rb b/lib/flinks/api/account.rb
index 359f76b..94e4098 100644
--- a/lib/flinks/api/account.rb
+++ b/lib/flinks/api/account.rb
@@ -64,14 +64,14 @@ def accounts_detail(request_id:, options: {})
       # @param request_id [String]
       # @return [Hash]
       def accounts_summary_async(request_id:)
-        get("#{customer_id}/BankingServices/GetAccountsSummaryAsync/#{request_id}")
+        get("#{customer_id}/BankingServices/GetAccountsSummaryAsync/#{request_id}", params: {}, async: true)
       end
 
       # @see https://sandbox-api.flinks.io/Readme/#get-accounts-detail
       # @param request_id [String]
       # @return [Hash]
       def accounts_detail_async(request_id:)
-        get("#{customer_id}/BankingServices/GetAccountsDetailAsync/#{request_id}")
+        get("#{customer_id}/BankingServices/GetAccountsDetailAsync/#{request_id}", params: {}, async: true)
       end
     end
   end
diff --git a/lib/flinks/api/card.rb b/lib/flinks/api/card.rb
index a8a7429..9caec11 100644
--- a/lib/flinks/api/card.rb
+++ b/lib/flinks/api/card.rb
@@ -8,7 +8,7 @@ module Card
       # @param card_id [String]
       # @return [Hash]
       def delete_card(card_id:)
-        get("#{customer_id}/BankingServices/DeleteCard/#{card_id}")
+        delete("#{customer_id}/BankingServices/DeleteCard/#{card_id}")
       end
     end
   end
diff --git a/lib/flinks/error.rb b/lib/flinks/error.rb
index a600827..4e0aa26 100644
--- a/lib/flinks/error.rb
+++ b/lib/flinks/error.rb
@@ -2,7 +2,7 @@
 
 module Flinks
   class Error < StandardError
-    attr_reader :response, :code
+    attr_reader :response, :code, :flinks_code
 
     # @param response [HTTP::Response]
     # @return [Flinks::Error]
@@ -65,17 +65,18 @@ def self.error_for_403(response)
     # @return [Flinks::Error]
     def initialize(response)
       @response = response
-      @code = response.code
+      @code = response.code if response.try(:code).present?
+      @flinks_code = response&.try(:parse)&.dig('FlinksCode')
 
       super(build_message)
     end
 
     # @return [String]
     def build_message
-      message = response.parse['Message']
-      message << " - FlinksCode: #{response.parse['FlinksCode']}"
-    rescue HTTP::Error
-      response.reason
+      message = response.parse['Message'] || "Error"
+      message + " - FlinksCode: #{response.parse['FlinksCode']}"
+    rescue StandardError
+      response.try(:reason)
     end
   end
 
diff --git a/lib/flinks/request.rb b/lib/flinks/request.rb
index cc10a4d..55d82ca 100644
--- a/lib/flinks/request.rb
+++ b/lib/flinks/request.rb
@@ -12,8 +12,16 @@ module Request
     #
     # @param path [String]
     # @param params [Hash]
-    def get(path, params: {})
-      request(:get, path, params: params)
+    def get(path, params: {}, async: false)
+      request(:get, path, params: params, async: async)
+    end
+
+    # Performs a HTTP Delete request
+    #
+    # @param path [String]
+    # @param params [Hash]
+    def delete(path, params: {}, async: false)
+      request(:delete, path, params: params, async: async)
     end
 
     # Performs a HTTP Post request
@@ -21,8 +29,8 @@ def get(path, params: {})
     # @param path [String]
     # @param params [Hash]
     # @param body [Hash]
-    def post(path, params: {}, body: {})
-      request(:post, path, params: params, body: body)
+    def post(path, params: {}, body: {}, async: false)
+      request(:post, path, params: params, body: body, async: async)
     end
 
     # Performs a HTTP Patch request
@@ -30,16 +38,15 @@ def post(path, params: {}, body: {})
     # @param path [String]
     # @param params [Hash]
     # @param body [Hash]
-    def patch(path, params: {}, body: {})
-      request(:patch, path, params: params, body: body)
+    def patch(path, params: {}, body: {}, async: false)
+      request(:patch, path, params: params, body: body, async: async)
     end
 
-
     private
 
     # @return [HTTP::Client]
     # @raise [Flinks::Error]
-    def request(method, path, params: {}, body: {})
+    def request(method, path, params: {}, body: {}, async: false)
       headers = {
         'Content-Type' => "application/json",
         'Accept'       => "application/json",
@@ -52,14 +59,22 @@ def request(method, path, params: {}, body: {})
       # Build payload
       payload = body.transform_keys { |k| k.to_s.camelize }
 
-      # Perform request
-      response = Http.headers(headers).send(method, url, params: params, json: payload)
-
       if debug
         p "Method: #{method}"
         p "Url: #{url}"
         p "Headers: #{headers}"
         p "Payload: #{payload}"
+        p "Response: loading..."
+      end
+
+      # Perform request
+      if async
+        response = Http.headers(headers).send(method, url)
+      else
+        response = Http.headers(headers).send(method, url, params: params, json: payload)
+      end
+
+      if debug
         p "Response: #{response}"
       end
 
@@ -75,6 +90,9 @@ def request(method, path, params: {}, body: {})
 
       # Transform data
       data.deep_transform_keys { |k| k.underscore }.with_indifferent_access
+
+    rescue JSON::ParserError
+      response
     end
   end
 end