diff --git a/lib/easypost/client.rb b/lib/easypost/client.rb
index d7854e5..522cf12 100644
--- a/lib/easypost/client.rb
+++ b/lib/easypost/client.rb
@@ -74,17 +74,17 @@ def initialize(api_key:, read_timeout: 60, open_timeout: 30, api_base: 'https://
   #
   # @param method [Symbol] the HTTP Verb (get, method, put, post, etc.)
   # @param endpoint [String] URI path of the resource
-  # @param body [Object] (nil) object to be dumped to JSON
+  # @param params [Object] (nil) object to be used as the request parameters
   # @param api_version [String] the version of API to hit
   # @raise [EasyPost::Error] if the response has a non-2xx status code
   # @return [Hash] JSON object parsed from the response body
   def make_request(
     method,
     endpoint,
-    body = nil,
+    params = nil,
     api_version = EasyPost::InternalUtilities::Constants::API_VERSION
   )
-    response = @http_client.request(method, endpoint, nil, body, api_version)
+    response = @http_client.request(method, endpoint, nil, params, api_version)
 
     potential_error = EasyPost::Errors::ApiError.handle_api_error(response)
     raise potential_error unless potential_error.nil?
diff --git a/lib/easypost/http_client.rb b/lib/easypost/http_client.rb
index 4263bb6..40d0b6c 100644
--- a/lib/easypost/http_client.rb
+++ b/lib/easypost/http_client.rb
@@ -14,26 +14,35 @@ def request(
     method,
     path,
     headers = nil,
-    body = nil,
+    params = nil,
     api_version = EasyPost::InternalUtilities::Constants::API_VERSION
   )
     # Remove leading slash from path.
     path = path[1..] if path[0] == '/'
 
-    uri = URI.parse("#{@base_url}/#{api_version}/#{path}")
     headers = @config[:headers].merge(headers || {})
-    serialized_body = JSON.dump(EasyPost::InternalUtilities.objects_to_ids(body)) if body
     open_timeout = @config[:open_timeout]
     read_timeout = @config[:read_timeout]
     request_timestamp = Time.now
     request_uuid = SecureRandom.uuid
 
+    uri = URI.parse("#{@base_url}/#{api_version}/#{path}")
+    serialized_body = nil
+
+    if params
+      if [:get, :delete].include?(method)
+        uri.query = URI.encode_www_form(params)
+      else
+        serialized_body = JSON.dump(EasyPost::InternalUtilities.objects_to_ids(params))
+      end
+    end
+
     if EasyPost::Hooks.any_subscribers?(:request)
       request_context = EasyPost::Hooks::RequestContext.new(
         method: method,
         path: uri.to_s,
         headers: headers,
-        request_body: body,
+        request_body: serialized_body,
         request_timestamp: request_timestamp,
         request_uuid: request_uuid,
       )
@@ -66,10 +75,10 @@ def request(
       # client_response_object attribute
       if response.is_a?(Net::HTTPResponse)
         response_body = begin
-          JSON.parse(response.body)
-        rescue JSON::ParseError
-          response.body
-        end
+                          JSON.parse(response.body)
+                        rescue JSON::ParseError
+                          response.body
+                        end
         response_context.merge!(
           {
             http_status: response.code.to_i,
diff --git a/spec/support/fixture.rb b/spec/support/fixture.rb
index 007f8b7..c0d0069 100644
--- a/spec/support/fixture.rb
+++ b/spec/support/fixture.rb
@@ -96,7 +96,7 @@ def self.one_call_buy_shipment
   # If you need to re-record cassettes, increment the date below and ensure it is one day in the future,
   # USPS only does "next-day" pickups including Saturday but not Sunday or Holidays.
   def self.basic_pickup
-    pickup_date = '2024-01-24'
+    pickup_date = '2024-07-31'
 
     pickup_data = read_fixture_data['pickups']['basic']
     pickup_data['min_datetime'] = pickup_date
@@ -144,11 +144,11 @@ def self.rma_form_options
   end
 
   def self.planned_ship_date
-    '2024-07-16'
+    '2024-07-31'
   end
 
   def self.desired_delivery_date
-    '2024-07-16'
+    '2024-07-31'
   end
 
   # This fixture will require you to append a `tracking_code` key with the shipment's tracking code,