diff --git a/lib/ioki/apis/passenger_api.rb b/lib/ioki/apis/passenger_api.rb
index a7186fa1..64019b8e 100644
--- a/lib/ioki/apis/passenger_api.rb
+++ b/lib/ioki/apis/passenger_api.rb
@@ -290,6 +290,26 @@ class PassengerApi
         base_path:   [API_BASE_PATH, 'geocoding', 'session', :id],
         path:        'details',
         model_class: Ioki::Model::Passenger::GeocodingSearchDetails
+      ),
+      Endpoints.crud_endpoints(
+        :purchase,
+        base_path:   [API_BASE_PATH],
+        model_class: Ioki::Model::Passenger::Purchase,
+        only:        [:index, :show]
+      ),
+      Endpoints::UpdateSingular.new(
+        :reserve_debit,
+        path:                 'reserve_debit',
+        base_path:            [API_BASE_PATH, 'purchases', :id],
+        model_class:          Ioki::Model::Passenger::Purchase,
+        outgoing_model_class: Ioki::Model::Passenger::ReserveDebit
+      ),
+      Endpoints::UpdateSingular.new(
+        :settle_debit,
+        path:                 'settle_debit',
+        base_path:            [API_BASE_PATH, 'purchases', :id],
+        model_class:          Ioki::Model::Passenger::Purchase,
+        outgoing_model_class: Ioki::Model::Passenger::SettleDebit
       )
     ].freeze
   end
diff --git a/lib/ioki/model/passenger/booking.rb b/lib/ioki/model/passenger/booking.rb
index f887f01f..d36bcf06 100644
--- a/lib/ioki/model/passenger/booking.rb
+++ b/lib/ioki/model/passenger/booking.rb
@@ -41,6 +41,8 @@ class Booking < Base
                   omit_if_nil_on: :create
 
         attribute :paypal_secure_element, type: :string, on: :create, omit_if_nil_on: :create
+        attribute :on_session, on: :create, type: :boolean, omit_if_nil_on: :create
+        attribute :async, on: :create, type: :boolean, omit_if_nil_on: :create
       end
     end
   end
diff --git a/lib/ioki/model/passenger/invoice.rb b/lib/ioki/model/passenger/invoice.rb
new file mode 100644
index 00000000..25e96d4a
--- /dev/null
+++ b/lib/ioki/model/passenger/invoice.rb
@@ -0,0 +1,37 @@
+# frozen_string_literal: true
+
+module Ioki
+  module Model
+    module Passenger
+      class Invoice < Base
+        attribute :type,
+                  on:   :read,
+                  type: :string
+
+        attribute :id,
+                  on:   :read,
+                  type: :string
+
+        attribute :created_at,
+                  on:   :read,
+                  type: :date_time
+
+        attribute :updated_at,
+                  on:   :read,
+                  type: :date_time
+
+        attribute :attachment_url,
+                  on:   :read,
+                  type: :string
+
+        attribute :user_id,
+                  on:   :read,
+                  type: :string
+
+        attribute :purchase_id,
+                  on:   :read,
+                  type: :string
+      end
+    end
+  end
+end
diff --git a/lib/ioki/model/passenger/nested_charge.rb b/lib/ioki/model/passenger/nested_charge.rb
new file mode 100644
index 00000000..65725a87
--- /dev/null
+++ b/lib/ioki/model/passenger/nested_charge.rb
@@ -0,0 +1,69 @@
+# frozen_string_literal: true
+
+module Ioki
+  module Model
+    module Passenger
+      class NestedCharge < Base
+        attribute :type,
+                  on:   :read,
+                  type: :string
+
+        attribute :id,
+                  on:   :read,
+                  type: :string
+
+        attribute :created_at,
+                  on:   :read,
+                  type: :date_time
+
+        attribute :updated_at,
+                  on:   :read,
+                  type: :date_time
+
+        attribute :amount,
+                  on:         :read,
+                  type:       :object,
+                  class_name: 'Money'
+
+        attribute :charge_type,
+                  on:   :read,
+                  type: :string
+
+        attribute :payment_charge_id,
+                  on:   :read,
+                  type: :string
+
+        attribute :payment_method,
+                  on:         :read,
+                  type:       :object,
+                  class_name: 'PaymentMethod'
+
+        attribute :pending_action,
+                  on:         :read,
+                  type:       :object,
+                  class_name: 'Payment::ChargeChallenge'
+
+        attribute :purchase_ids,
+                  on:   :read,
+                  type: :array
+
+        attribute :receipt,
+                  on:         :read,
+                  type:       :object,
+                  class_name: 'Receipt'
+
+        attribute :reservation,
+                  on:   :read,
+                  type: :boolean
+
+        attribute :state,
+                  on:   :read,
+                  type: :string
+
+        attribute :user_id,
+                  on:   :read,
+                  type: :string
+      end
+    end
+  end
+end
diff --git a/lib/ioki/model/passenger/nested_charge_split.rb b/lib/ioki/model/passenger/nested_charge_split.rb
new file mode 100644
index 00000000..6eace158
--- /dev/null
+++ b/lib/ioki/model/passenger/nested_charge_split.rb
@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+module Ioki
+  module Model
+    module Passenger
+      class NestedChargeSplit < Base
+        attribute :amount,
+                  on:         :read,
+                  type:       :object,
+                  class_name: 'Money'
+
+        attribute :purchase_id,
+                  on:   :read,
+                  type: :string
+
+        attribute :charge,
+                  on:         :read,
+                  type:       :object,
+                  class_name: 'NestedCharge'
+      end
+    end
+  end
+end
diff --git a/lib/ioki/model/passenger/payment/charge_challenge.rb b/lib/ioki/model/passenger/payment/charge_challenge.rb
new file mode 100644
index 00000000..738412e3
--- /dev/null
+++ b/lib/ioki/model/passenger/payment/charge_challenge.rb
@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+module Ioki
+  module Model
+    module Passenger
+      module Payment
+        class ChargeChallenge < Base
+          attribute :type,
+                    on:   :read,
+                    type: :string
+
+          attribute :action,
+                    on:         :read,
+                    type:       :object,
+                    class_name: ['OpenUrl']
+        end
+      end
+    end
+  end
+end
diff --git a/lib/ioki/model/passenger/payment/open_url.rb b/lib/ioki/model/passenger/payment/open_url.rb
new file mode 100644
index 00000000..8198b01a
--- /dev/null
+++ b/lib/ioki/model/passenger/payment/open_url.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+module Ioki
+  module Model
+    module Passenger
+      module Payment
+        class OpenUrl < Base
+          attribute :type,
+                    on:   :read,
+                    type: :string
+
+          attribute :url,
+                    on:   :read,
+                    type: :string
+        end
+      end
+    end
+  end
+end
diff --git a/lib/ioki/model/passenger/payment_method.rb b/lib/ioki/model/passenger/payment_method.rb
index ede1e327..f437517f 100644
--- a/lib/ioki/model/passenger/payment_method.rb
+++ b/lib/ioki/model/passenger/payment_method.rb
@@ -5,10 +5,10 @@ module Model
     module Passenger
       class PaymentMethod < Base
         attribute :type, on: :read, type: :string
-        attribute :id, on: [:read, :create], type: :string, omit_if_blank_on: :create
+        attribute :id, on: [:read, :create, :update], type: :string, omit_if_blank_on: :create
         attribute :created_at, on: :read, type: :date_time
         attribute :updated_at, on: :read, type: :date_time
-        attribute :payment_method_type, on: :create, type: :string
+        attribute :payment_method_type, on: [:create, :update], type: :string
         attribute :requires_paypal_secure_element, on: :read, type: :boolean
         attribute :attached, on: :read, type: :boolean
         attribute :summary, on: :read, type: :object, class_name: 'PaymentMethodSummary'
diff --git a/lib/ioki/model/passenger/personal_discount.rb b/lib/ioki/model/passenger/personal_discount.rb
index 00103ea2..5651b9d3 100644
--- a/lib/ioki/model/passenger/personal_discount.rb
+++ b/lib/ioki/model/passenger/personal_discount.rb
@@ -27,6 +27,8 @@ class PersonalDiscount < Base
 
         attribute :personal_discount_type_id, on: :create, type: :string
         attribute :paypal_secure_element, on: :create, type: :string, omit_if_nil_on: :create
+        attribute :on_session, on: :create, type: :boolean, omit_if_nil_on: :create
+        attribute :async, on: :create, type: :boolean, omit_if_nil_on: :create
       end
     end
   end
diff --git a/lib/ioki/model/passenger/purchase.rb b/lib/ioki/model/passenger/purchase.rb
new file mode 100644
index 00000000..0c1383d5
--- /dev/null
+++ b/lib/ioki/model/passenger/purchase.rb
@@ -0,0 +1,120 @@
+# frozen_string_literal: true
+
+module Ioki
+  module Model
+    module Passenger
+      class Purchase < Base
+        attribute :type,
+                  on:   :read,
+                  type: :string
+
+        attribute :id,
+                  on:   :read,
+                  type: :string
+
+        attribute :created_at,
+                  on:   :read,
+                  type: :date_time
+
+        attribute :updated_at,
+                  on:   :read,
+                  type: :date_time
+
+        attribute :amount,
+                  on:         :read,
+                  type:       :object,
+                  class_name: 'Money'
+
+        attribute :purchase_type,
+                  on:   :read,
+                  type: :string
+
+        attribute :charge_splits,
+                  on:         :read,
+                  type:       :array,
+                  force_type: true,
+                  class_name: 'NestedChargeSplit'
+
+        attribute :claimable_at,
+                  on:   :read,
+                  type: :date_time
+
+        attribute :creator_type,
+                  on:   :read,
+                  type: :string
+
+        attribute :creator_id,
+                  on:   :read,
+                  type: :string
+
+        attribute :debit_purchase_id,
+                  on:   :read,
+                  type: :string
+
+        attribute :forfeited_at,
+                  on:   :read,
+                  type: :date_time
+
+        attribute :gifted_amount,
+                  on:         :read,
+                  type:       :object,
+                  class_name: 'Money'
+
+        attribute :invoices,
+                  on:         :read,
+                  type:       :array,
+                  class_name: 'Invoice'
+
+        attribute :invoice,
+                  on:         :read,
+                  type:       :object,
+                  class_name: 'Invoice'
+
+        attribute :payment_action,
+                  on:   :read,
+                  type: :string
+
+        attribute :payment_method,
+                  on:         :read,
+                  type:       :object,
+                  class_name: 'PaymentMethod'
+
+        attribute :purchasable_description,
+                  on:   :read,
+                  type: :string
+
+        attribute :purchasable_title,
+                  on:   :read,
+                  type: :string
+
+        attribute :purchasable_id,
+                  on:   :read,
+                  type: :string
+
+        attribute :purchasable_type,
+                  on:   :read,
+                  type: :string
+
+        attribute :ride_id,
+                  on:   :read,
+                  type: :string
+
+        attribute :reason,
+                  on:   :read,
+                  type: :string
+
+        attribute :state,
+                  on:   :read,
+                  type: :string
+
+        attribute :succeeded_at,
+                  on:   :read,
+                  type: :date_time
+
+        attribute :user_id,
+                  on:   :read,
+                  type: :string
+      end
+    end
+  end
+end
diff --git a/lib/ioki/model/passenger/receipt.rb b/lib/ioki/model/passenger/receipt.rb
index b7c560a4..dd38ecd7 100644
--- a/lib/ioki/model/passenger/receipt.rb
+++ b/lib/ioki/model/passenger/receipt.rb
@@ -10,6 +10,7 @@ class Receipt < Base
         attribute :updated_at, on: :read, type: :date_time
         attribute :attachment_url, on: :read, type: :string
         attribute :receipt_type, on: :read, type: :string
+        attribute :charge_id, on: :read, type: :string
       end
     end
   end
diff --git a/lib/ioki/model/passenger/reserve_debit.rb b/lib/ioki/model/passenger/reserve_debit.rb
new file mode 100644
index 00000000..a3d2cdec
--- /dev/null
+++ b/lib/ioki/model/passenger/reserve_debit.rb
@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+module Ioki
+  module Model
+    module Passenger
+      class ReserveDebit < Base
+        attribute :paypal_secure_element,
+                  on:   :update,
+                  type: :string
+      end
+    end
+  end
+end
diff --git a/lib/ioki/model/passenger/service_credit_create.rb b/lib/ioki/model/passenger/service_credit_create.rb
index 78be3b6a..02a1efdb 100644
--- a/lib/ioki/model/passenger/service_credit_create.rb
+++ b/lib/ioki/model/passenger/service_credit_create.rb
@@ -12,6 +12,8 @@ def self.schema_path
         attribute :value, type: :integer, on: :create
         attribute :payment_method, type: :object, on: :create, class_name: 'PaymentMethod'
         attribute :paypal_secure_element, type: :string, on: :create, omit_if_nil_on: :create
+        attribute :on_session, on: :create, type: :boolean, omit_if_nil_on: :create
+        attribute :async, on: :create, type: :boolean, omit_if_nil_on: :create
       end
     end
   end
diff --git a/lib/ioki/model/passenger/settle_debit.rb b/lib/ioki/model/passenger/settle_debit.rb
new file mode 100644
index 00000000..64cf8285
--- /dev/null
+++ b/lib/ioki/model/passenger/settle_debit.rb
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+module Ioki
+  module Model
+    module Passenger
+      class SettleDebit < Base
+        attribute :payment_method,
+                  on:         :update,
+                  type:       :object,
+                  class_name: 'PaymentMethod'
+
+        attribute :paypal_secure_element,
+                  on:   :update,
+                  type: :string
+      end
+    end
+  end
+end
diff --git a/lib/ioki/model/passenger/ticketing/product_purchase.rb b/lib/ioki/model/passenger/ticketing/product_purchase.rb
index 3d387b6e..02f7a342 100644
--- a/lib/ioki/model/passenger/ticketing/product_purchase.rb
+++ b/lib/ioki/model/passenger/ticketing/product_purchase.rb
@@ -13,6 +13,8 @@ def self.schema_path
           attribute :ride_id, on: :create, type: :string
           attribute :payment_method, on: :create, type: :object, class_name: 'Ioki::Model::Passenger::PaymentMethod'
           attribute :paypal_secure_element, on: :create, type: :string
+          attribute :on_session, on: :create, type: :boolean, omit_if_nil_on: :create
+          attribute :async, on: :create, type: :boolean, omit_if_nil_on: :create
         end
       end
     end
diff --git a/lib/ioki/model/passenger/ticketing/voucher_renewal.rb b/lib/ioki/model/passenger/ticketing/voucher_renewal.rb
index 98142d0f..028aef59 100644
--- a/lib/ioki/model/passenger/ticketing/voucher_renewal.rb
+++ b/lib/ioki/model/passenger/ticketing/voucher_renewal.rb
@@ -11,6 +11,8 @@ def self.schema_path
 
           attribute :payment_method, on: :create, type: :object, class_name: 'Ioki::Model::Passenger::PaymentMethod'
           attribute :paypal_secure_element, on: :create, type: :string
+          attribute :on_session, on: :create, type: :boolean, omit_if_nil_on: :create
+          attribute :async, on: :create, type: :boolean, omit_if_nil_on: :create
         end
       end
     end
diff --git a/lib/ioki/model/passenger/tip_create.rb b/lib/ioki/model/passenger/tip_create.rb
index f35deac9..9c9c6ef7 100644
--- a/lib/ioki/model/passenger/tip_create.rb
+++ b/lib/ioki/model/passenger/tip_create.rb
@@ -10,6 +10,8 @@ def self.schema_path
 
         attribute :amount, on: :create, type: :integer
         attribute :payment_method, on: :create, type: :object, class_name: 'PaymentMethod'
+        attribute :on_session, on: :create, type: :boolean, omit_if_nil_on: :create
+        attribute :async, on: :create, type: :boolean, omit_if_nil_on: :create
       end
     end
   end
diff --git a/spec/ioki/passenger_api_spec.rb b/spec/ioki/passenger_api_spec.rb
index 8e853f07..80d3e562 100644
--- a/spec/ioki/passenger_api_spec.rb
+++ b/spec/ioki/passenger_api_spec.rb
@@ -695,4 +695,69 @@
         .to be_a(Ioki::Model::Passenger::GeocodingSearchDetails)
     end
   end
+
+  describe '#purchases' do
+    it 'calls request on the client with expected params' do
+      expect(passenger_client).to receive(:request) do |params|
+        expect(params[:url].to_s).to eq('passenger/purchases')
+        result_with_index_data
+      end
+
+      expect(passenger_client.purchases(options)).to all(be_a(Ioki::Model::Passenger::Purchase))
+    end
+  end
+
+  describe '#purchase' do
+    it 'calls request on the client with expected params' do
+      expect(passenger_client).to receive(:request) do |params|
+        expect(params[:url].to_s).to eq('passenger/purchases/0815')
+        [result_with_data, full_response]
+      end
+      expect(passenger_client.purchase('0815', options)).to be_a Ioki::Model::Passenger::Purchase
+    end
+  end
+
+  describe '#reserve_debit' do
+    let(:reserve_debit) { Ioki::Model::Passenger::ReserveDebit.new(paypal_secure_element: 'secret') }
+
+    it 'calls request on the client with expected params' do
+      expect(passenger_client).to receive(:request) do |params|
+        expect(params[:url].to_s).to eq('passenger/purchases/0815/reserve_debit')
+        expect(params[:body][:data]).to match(hash_including(paypal_secure_element: 'secret'))
+        [result_with_data, full_response]
+      end
+
+      expect(passenger_client.update_reserve_debit('0815', reserve_debit, options)).to be_a Ioki::Model::Passenger::Purchase
+    end
+  end
+
+  describe '#settle_debit' do
+    let(:settle_debit) do
+      Ioki::Model::Passenger::SettleDebit.new(
+        payment_method:        Ioki::Model::Passenger::PaymentMethod.new(
+          payment_method_type: 'service_credits',
+          id:                  'pam_1'
+        ),
+        paypal_secure_element: 'secret'
+      )
+    end
+
+    it 'calls request on the client with expected params' do
+      expect(passenger_client).to receive(:request) do |params|
+        expect(params[:url].to_s).to eq('passenger/purchases/0815/settle_debit')
+        expect(params[:body][:data]).to match(
+          hash_including(
+            payment_method:        hash_including(
+              payment_method_type: 'service_credits',
+              id:                  'pam_1'
+            ),
+            paypal_secure_element: 'secret'
+          )
+        )
+        [result_with_data, full_response]
+      end
+
+      expect(passenger_client.update_settle_debit('0815', settle_debit, options)).to be_a Ioki::Model::Passenger::Purchase
+    end
+  end
 end