diff --git a/.gitignore b/.gitignore
index 938de4e..69e1e92 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,6 @@
 /.idea/
 /build/
 /vendor
-phpunit.xml
\ No newline at end of file
+phpunit.xml
+
+.DS_Store
diff --git a/samples/authentication/authentication.php b/samples/authentication/authentication.php
new file mode 100644
index 0000000..5d49481
--- /dev/null
+++ b/samples/authentication/authentication.php
@@ -0,0 +1,2 @@
+$apiKey = '< YOUR_PRIVATE_KEY >';
+$request = new Paymill\Request($apiKey);
diff --git a/samples/clients/create_new_client.php b/samples/clients/create_new_client.php
new file mode 100644
index 0000000..e3a7d53
--- /dev/null
+++ b/samples/clients/create_new_client.php
@@ -0,0 +1,5 @@
+$client = new Paymill\Models\Request\Client();
+$client->setEmail('max.mustermann@example.com')
+       ->setDescription('Lovely Client')
+
+$response = $request->create($client);
diff --git a/samples/clients/export_clients_list.php b/samples/clients/export_clients_list.php
new file mode 100644
index 0000000..28384a7
--- /dev/null
+++ b/samples/clients/export_clients_list.php
@@ -0,0 +1 @@
+/* Not implemented yet */
diff --git a/samples/clients/get_client_details.php b/samples/clients/get_client_details.php
new file mode 100644
index 0000000..4d7aaf9
--- /dev/null
+++ b/samples/clients/get_client_details.php
@@ -0,0 +1,4 @@
+$client = new Paymill\Models\Request\Client();
+$client->setId('client_88a388d9dd48f86c3136');
+
+$response = $request->getOne($client);
diff --git a/samples/clients/list_clients.php b/samples/clients/list_clients.php
new file mode 100644
index 0000000..42a7f81
--- /dev/null
+++ b/samples/clients/list_clients.php
@@ -0,0 +1,3 @@
+$client = new Paymill\Models\Request\Client();
+
+$response = $request->getAll($client);
diff --git a/samples/clients/remove_client.php b/samples/clients/remove_client.php
new file mode 100644
index 0000000..ddd2197
--- /dev/null
+++ b/samples/clients/remove_client.php
@@ -0,0 +1,4 @@
+$client = new Paymill\Models\Request\Client();
+$client->setId('client_88a388d9dd48f86c3136');
+
+$response = $request->delete($client);
diff --git a/samples/clients/update_client.php b/samples/clients/update_client.php
new file mode 100644
index 0000000..049b4f5
--- /dev/null
+++ b/samples/clients/update_client.php
@@ -0,0 +1,6 @@
+$client = new Paymill\Models\Request\Client();
+$client->setId('client_88a388d9dd48f86c3136')
+       ->setEmail('updated-client@example.com')
+       ->setDescription('Updated Client');
+
+$response = $request->update($client);
diff --git a/samples/offers/create_new_offer.php b/samples/offers/create_new_offer.php
new file mode 100644
index 0000000..fa7a6d5
--- /dev/null
+++ b/samples/offers/create_new_offer.php
@@ -0,0 +1,7 @@
+$offer = new Paymill\Models\Request\Offer();
+$offer->setAmount(4200)
+      ->setCurrency('EUR')
+      ->setInterval('1 WEEK')
+      ->setName('Nerd Special');
+
+$response = $request->create($offer);
diff --git a/samples/offers/export_offers_list.php b/samples/offers/export_offers_list.php
new file mode 100644
index 0000000..28384a7
--- /dev/null
+++ b/samples/offers/export_offers_list.php
@@ -0,0 +1 @@
+/* Not implemented yet */
diff --git a/samples/offers/get_offer_details.php b/samples/offers/get_offer_details.php
new file mode 100644
index 0000000..07f42e8
--- /dev/null
+++ b/samples/offers/get_offer_details.php
@@ -0,0 +1,4 @@
+$offer = new Paymill\Models\Request\Offer();
+$offer->setId('offer_40237e20a7d5a231d99b');
+
+$response = $request->getOne($offer);
diff --git a/samples/offers/list_offers.php b/samples/offers/list_offers.php
new file mode 100644
index 0000000..9dcb7dc
--- /dev/null
+++ b/samples/offers/list_offers.php
@@ -0,0 +1,3 @@
+$offer = new Paymill\Models\Request\Offer();
+
+$response = $request->getAll($offer);
diff --git a/samples/offers/remove_offer.php b/samples/offers/remove_offer.php
new file mode 100644
index 0000000..88e58f2
--- /dev/null
+++ b/samples/offers/remove_offer.php
@@ -0,0 +1,5 @@
+$offer = new Paymill\Models\Request\Offer();
+$offer->setId('offer_40237e20a7d5a231d99b')
+      ->removeWithSubscriptions(true);
+
+$response = $request->delete($offer)
diff --git a/samples/offers/update_offer.php b/samples/offers/update_offer.php
new file mode 100644
index 0000000..b2f030c
--- /dev/null
+++ b/samples/offers/update_offer.php
@@ -0,0 +1,10 @@
+$offer = new Paymill\Models\Request\Offer();
+$offer->setId('offer_40237e20a7d5a231d99b')
+      ->setName('Extended Special')
+      ->setInterval('1 MONTH')
+      ->setAmount(3333)
+      ->setCurrency('USD')
+      ->setTrialPeriodDays(33)
+      ->updateSubscriptions(true);
+
+$response = $request->update($offer)
diff --git a/samples/payments/create_new_credit_card_payment_with_token.php b/samples/payments/create_new_credit_card_payment_with_token.php
new file mode 100644
index 0000000..eb81231
--- /dev/null
+++ b/samples/payments/create_new_credit_card_payment_with_token.php
@@ -0,0 +1,4 @@
+$payment = new Paymill\Models\Request\Payment();
+$payment->setToken('098f6bcd4621d373cade4e832627b4f6');
+
+$response = $request->create($payment);
diff --git a/samples/payments/create_new_credit_card_payment_with_token_and_client.php b/samples/payments/create_new_credit_card_payment_with_token_and_client.php
new file mode 100644
index 0000000..64ccb08
--- /dev/null
+++ b/samples/payments/create_new_credit_card_payment_with_token_and_client.php
@@ -0,0 +1,5 @@
+$payment = new Paymill\Models\Request\Payment();
+$payment->setToken('098f6bcd4621d373cade4e832627b4f6')
+        ->setClient('client_88a388d9dd48f86c3136');
+
+$response = $request->create($payment);
diff --git a/samples/payments/create_new_debit_payment_with_token.php b/samples/payments/create_new_debit_payment_with_token.php
new file mode 100644
index 0000000..43847fc
--- /dev/null
+++ b/samples/payments/create_new_debit_payment_with_token.php
@@ -0,0 +1,4 @@
+$payment = new Paymill\Models\Request\Payment();
+$payment->setToken('12a46bcd462sd3r3care4e8336ssb4f5');
+
+$response = $request->create($payment);
diff --git a/samples/payments/create_new_debit_payment_with_token_and_client.php b/samples/payments/create_new_debit_payment_with_token_and_client.php
new file mode 100644
index 0000000..2a1a901
--- /dev/null
+++ b/samples/payments/create_new_debit_payment_with_token_and_client.php
@@ -0,0 +1,5 @@
+$payment = new Paymill\Models\Request\Payment();
+$payment->setToken('12a46bcd462sd3r3care4e8336ssb4f5');
+$payment->setClient('client_88a388d9dd48f86c3136');
+
+$response = $request->create($payment);
diff --git a/samples/payments/export_payments_list.php b/samples/payments/export_payments_list.php
new file mode 100644
index 0000000..28384a7
--- /dev/null
+++ b/samples/payments/export_payments_list.php
@@ -0,0 +1 @@
+/* Not implemented yet */
diff --git a/samples/payments/get_payment_details.php b/samples/payments/get_payment_details.php
new file mode 100644
index 0000000..a369f8d
--- /dev/null
+++ b/samples/payments/get_payment_details.php
@@ -0,0 +1,4 @@
+$payment = new Paymill\Models\Request\Payment();
+$payment->setId('pay_3af44644dd6d25c820a8');
+
+$response = $request->getOne($payment);
diff --git a/samples/payments/list_payments.php b/samples/payments/list_payments.php
new file mode 100644
index 0000000..57c801d
--- /dev/null
+++ b/samples/payments/list_payments.php
@@ -0,0 +1,3 @@
+$payment = new Paymill\Models\Request\Payment();
+
+$response = $request->getAll($payment);
diff --git a/samples/payments/remove_payment.php b/samples/payments/remove_payment.php
new file mode 100644
index 0000000..ae25be4
--- /dev/null
+++ b/samples/payments/remove_payment.php
@@ -0,0 +1,4 @@
+$payment = new Paymill\Models\Request\Payment();
+$payment->setId('pay_3af44644dd6d25c820a8');
+
+$response = $request->delete($payment);
diff --git a/samples/preauthorizations/create_new_preauthorization_with_payment.php b/samples/preauthorizations/create_new_preauthorization_with_payment.php
new file mode 100644
index 0000000..cbc1e24
--- /dev/null
+++ b/samples/preauthorizations/create_new_preauthorization_with_payment.php
@@ -0,0 +1,7 @@
+$preAuth = new Paymill\Models\Request\Preauthorization();
+$preAuth->setPayment('pay_d43cf0ee969d9847512b')
+        ->setAmount(4200)
+        ->setCurrency('EUR')
+        ->setDescription('description example');
+
+$response = $request->create($preAuth);
diff --git a/samples/preauthorizations/create_new_preauthorization_with_token.php b/samples/preauthorizations/create_new_preauthorization_with_token.php
new file mode 100644
index 0000000..7c322fb
--- /dev/null
+++ b/samples/preauthorizations/create_new_preauthorization_with_token.php
@@ -0,0 +1,7 @@
+$preAuth = new Paymill\Models\Request\Preauthorization();
+$preAuth->setToken('098f6bcd4621d373cade4e832627b4f6')
+        ->setAmount(4200)
+        ->setCurrency('EUR')
+        ->setDescription('description example');
+
+$response = $request->create($preAuth);
diff --git a/samples/preauthorizations/export_preauthorizations_list.php b/samples/preauthorizations/export_preauthorizations_list.php
new file mode 100644
index 0000000..28384a7
--- /dev/null
+++ b/samples/preauthorizations/export_preauthorizations_list.php
@@ -0,0 +1 @@
+/* Not implemented yet */
diff --git a/samples/preauthorizations/get_preauthorization_details.php b/samples/preauthorizations/get_preauthorization_details.php
new file mode 100644
index 0000000..9dd6b71
--- /dev/null
+++ b/samples/preauthorizations/get_preauthorization_details.php
@@ -0,0 +1,4 @@
+$preAuth = new Paymill\Models\Request\Preauthorization();
+$preAuth->setId('preauth_31eb90495837447f76b7');
+
+$response = $request->getOne($preAuth);
diff --git a/samples/preauthorizations/list_preauthorizations.php b/samples/preauthorizations/list_preauthorizations.php
new file mode 100644
index 0000000..f567259
--- /dev/null
+++ b/samples/preauthorizations/list_preauthorizations.php
@@ -0,0 +1,3 @@
+$preAuth = new Paymill\Models\Request\Preauthorization();
+
+$response = $request->getAll($preAuth);
diff --git a/samples/preauthorizations/remove_preauthorization.php b/samples/preauthorizations/remove_preauthorization.php
new file mode 100644
index 0000000..048f63a
--- /dev/null
+++ b/samples/preauthorizations/remove_preauthorization.php
@@ -0,0 +1,4 @@
+$preAuth = new Paymill\Models\Request\Preauthorization();
+$preAuth->setId('preauth_31eb90495837447f76b7');
+
+$response = $request->delete($preAuth);
diff --git a/samples/refunds/create_new_refund.php b/samples/refunds/create_new_refund.php
new file mode 100644
index 0000000..5c775af
--- /dev/null
+++ b/samples/refunds/create_new_refund.php
@@ -0,0 +1,6 @@
+$refund = new Paymill\Models\Request\Refund();
+$refund->setId('tran_023d3b5769321c649435')
+       ->setAmount(4200) // e.g. "4200" for 42.00 EUR
+       ->setDescription('Sample Description');
+
+$response = $request->create($refund);
diff --git a/samples/refunds/export_refunds_list.php b/samples/refunds/export_refunds_list.php
new file mode 100644
index 0000000..28384a7
--- /dev/null
+++ b/samples/refunds/export_refunds_list.php
@@ -0,0 +1 @@
+/* Not implemented yet */
diff --git a/samples/refunds/get_refund_details.php b/samples/refunds/get_refund_details.php
new file mode 100644
index 0000000..be9b354
--- /dev/null
+++ b/samples/refunds/get_refund_details.php
@@ -0,0 +1,4 @@
+$refund = new Paymill\Models\Request\Refund();
+$refund->setId('refund_773ab6f9cd03428953c9');
+
+$response = $request->getOne($refund);
diff --git a/samples/refunds/list_refunds.php b/samples/refunds/list_refunds.php
new file mode 100644
index 0000000..eb7de2d
--- /dev/null
+++ b/samples/refunds/list_refunds.php
@@ -0,0 +1,3 @@
+$refund = new Paymill\Models\Request\Refund();
+
+$response = $request->getAll($refund);
diff --git a/samples/subscriptions/cancel_subscription.php b/samples/subscriptions/cancel_subscription.php
new file mode 100644
index 0000000..e28cf67
--- /dev/null
+++ b/samples/subscriptions/cancel_subscription.php
@@ -0,0 +1,5 @@
+$subscription = new Paymill\Models\Request\Subscription();
+$subscription->setId('sub_dea86e5c65b2087202e3');
+             ->setRemove(false);
+
+$response = $request->delete($subscription);
diff --git a/samples/subscriptions/create_new_subscription_with_an_offer.php b/samples/subscriptions/create_new_subscription_with_an_offer.php
new file mode 100644
index 0000000..5ae8710
--- /dev/null
+++ b/samples/subscriptions/create_new_subscription_with_an_offer.php
@@ -0,0 +1,8 @@
+$subscription = new Paymill\Models\Request\Subscription();
+$subscription->setClient('client_81c8ab98a8ac5d69f749')
+             ->setOffer('offer_40237e20a7d5a231d99b');
+             ->setPayment('pay_5e078197cde8a39e4908f8aa');
+             ->setPeriodOfValidity('2 YEAR');
+             ->setStartAt(1400575533);
+
+$response = $request->create($subscription);
diff --git a/samples/subscriptions/create_new_subscription_with_an_offer_and_different_values.php b/samples/subscriptions/create_new_subscription_with_an_offer_and_different_values.php
new file mode 100644
index 0000000..aa07170
--- /dev/null
+++ b/samples/subscriptions/create_new_subscription_with_an_offer_and_different_values.php
@@ -0,0 +1,12 @@
+$subscription = new Paymill\Models\Request\Subscription();
+$subscription->setClient('client_81c8ab98a8ac5d69f749')
+             ->setOffer('offer_40237e20a7d5a231d99b');
+             ->setAmount(3000);
+             ->setPayment('pay_5e078197cde8a39e4908f8aa');
+             ->setCurrency('EUR');
+             ->setInterval('1 week,monday');
+             ->setName('Example Subscription');
+             ->setPeriodOfValidity('2 YEAR');
+             ->setStartAt('1400575533');
+
+$response = $request->create($subscription);
diff --git a/samples/subscriptions/create_new_subscription_without_an_offer.php b/samples/subscriptions/create_new_subscription_without_an_offer.php
new file mode 100644
index 0000000..4cd1935
--- /dev/null
+++ b/samples/subscriptions/create_new_subscription_without_an_offer.php
@@ -0,0 +1,11 @@
+$subscription = new Paymill\Models\Request\Subscription();
+$subscription->setClient('client_81c8ab98a8ac5d69f749')
+             ->setAmount(3000);
+             ->setPayment('pay_5e078197cde8a39e4908f8aa');
+             ->setCurrency('EUR');
+             ->setInterval('1 week,monday');
+             ->setName('Example Subscription');
+             ->setPeriodOfValidity('2 YEAR');
+             ->setStartAt('1400575533');
+
+$response = $request->create($subscription);
diff --git a/samples/subscriptions/delete_subscription.php b/samples/subscriptions/delete_subscription.php
new file mode 100644
index 0000000..ee1ba29
--- /dev/null
+++ b/samples/subscriptions/delete_subscription.php
@@ -0,0 +1,5 @@
+$subscription = new Paymill\Models\Request\Subscription();
+$subscription->setId('sub_dea86e5c65b2087202e3');
+             ->setRemove(true);
+
+$response = $request->delete($subscription);
diff --git a/samples/subscriptions/export_subscriptions_list.php b/samples/subscriptions/export_subscriptions_list.php
new file mode 100644
index 0000000..28384a7
--- /dev/null
+++ b/samples/subscriptions/export_subscriptions_list.php
@@ -0,0 +1 @@
+/* Not implemented yet */
diff --git a/samples/subscriptions/get_subscription_details.php b/samples/subscriptions/get_subscription_details.php
new file mode 100644
index 0000000..d53a1bd
--- /dev/null
+++ b/samples/subscriptions/get_subscription_details.php
@@ -0,0 +1,4 @@
+$subscription = new Paymill\Models\Request\Subscription();
+$subscription->setId('sub_dc180b755d10da324864');
+
+$response = $request->getOne($subscription);
diff --git a/samples/subscriptions/list_subscriptions.php b/samples/subscriptions/list_subscriptions.php
new file mode 100644
index 0000000..865d9a8
--- /dev/null
+++ b/samples/subscriptions/list_subscriptions.php
@@ -0,0 +1,3 @@
+$subscription = new Paymill\Models\Request\Subscription();
+
+$response = $request->getAll($subscription);
diff --git a/samples/subscriptions/pause_subscription.php b/samples/subscriptions/pause_subscription.php
new file mode 100644
index 0000000..ba79dff
--- /dev/null
+++ b/samples/subscriptions/pause_subscription.php
@@ -0,0 +1,5 @@
+$subscription = new Paymill\Models\Request\Subscription();
+$subscription->setId('sub_dea86e5c65b2087202e3');
+             ->setPause(true);
+
+$response = $request->update($subscription);
diff --git a/samples/subscriptions/update_subscription.php b/samples/subscriptions/update_subscription.php
new file mode 100644
index 0000000..9bb2998
--- /dev/null
+++ b/samples/subscriptions/update_subscription.php
@@ -0,0 +1,13 @@
+$subscription = new Paymill\Models\Request\Subscription();
+$subscription->setId('sub_dea86e5c65b2087202e3');
+             ->setClient('client_81c8ab98a8ac5d69f749')
+             ->setOffer('offer_40237e20a7d5a231d99b');
+             ->setAmount(3000);
+             ->setPayment('pay_95ba26ba2c613ebb0ca8');
+             ->setCurrency('USD');
+             ->setInterval('1 month,friday');
+             ->setName('Changed Subscription');
+             ->setPeriodOfValidity('14 MONTH');
+             ->setTrialEnd(false);
+
+$response = $request->update($subscription);
diff --git a/samples/subscriptions/update_subscription_amount.php b/samples/subscriptions/update_subscription_amount.php
new file mode 100644
index 0000000..a64e5c2
--- /dev/null
+++ b/samples/subscriptions/update_subscription_amount.php
@@ -0,0 +1,6 @@
+$subscription = new Paymill\Models\Request\Subscription();
+$subscription->setId('sub_dea86e5c65b2087202e3');
+             ->setAmount(1234);
+             ->setAmountChangeType(0);
+
+$response = $request->update($subscription);
diff --git a/samples/subscriptions/update_subscription_offer.php b/samples/subscriptions/update_subscription_offer.php
new file mode 100644
index 0000000..a022584
--- /dev/null
+++ b/samples/subscriptions/update_subscription_offer.php
@@ -0,0 +1,6 @@
+$subscription = new Paymill\Models\Request\Subscription();
+$subscription->setId('sub_dea86e5c65b2087202e3');
+             ->setOffer('offer_d7e9813a25e89c5b78bd');
+             ->setOfferChangeType(2);
+
+$response = $request->update($subscription);
diff --git a/samples/transactions/create_new_transaction_with_app_fee.php b/samples/transactions/create_new_transaction_with_app_fee.php
new file mode 100644
index 0000000..d2e4a59
--- /dev/null
+++ b/samples/transactions/create_new_transaction_with_app_fee.php
@@ -0,0 +1,10 @@
+$transaction = new Paymill\Models\Request\Transaction();
+$transaction->setAmount(4200) // e.g. "4200" for 42.00 EUR
+            ->setCurrency('EUR')
+            ->setToken('098f6bcd4621d373cade4e832627b4f6')
+            ->setDescription('Test Transaction')
+            ->setFeeAmount(420)
+            ->setFeePayment('pay_3af44644dd6d25c820a8')
+            ->setFeeCurrency('EUR');
+
+$response = $request->create($transaction);
diff --git a/samples/transactions/create_new_transaction_with_client_and_payment.php b/samples/transactions/create_new_transaction_with_client_and_payment.php
new file mode 100644
index 0000000..e225186
--- /dev/null
+++ b/samples/transactions/create_new_transaction_with_client_and_payment.php
@@ -0,0 +1,8 @@
+$transaction = new Paymill\Models\Request\Transaction();
+$transaction->setAmount(4200) // e.g. "4200" for 42.00 EUR
+            ->setCurrency('EUR')
+            ->setClient('client_c781b1d2f7f0f664b4d9')
+            ->setPayment('pay_2f82a672574647cd911d')
+            ->setDescription('Test Transaction');
+
+$response = $request->create($transaction);
diff --git a/samples/transactions/create_new_transaction_with_payment.php b/samples/transactions/create_new_transaction_with_payment.php
new file mode 100644
index 0000000..a7b9436
--- /dev/null
+++ b/samples/transactions/create_new_transaction_with_payment.php
@@ -0,0 +1,7 @@
+$transaction = new Paymill\Models\Request\Transaction();
+$transaction->setAmount(4200) // e.g. "4200" for 42.00 EUR
+            ->setCurrency('EUR')
+            ->setPayment('pay_2f82a672574647cd911d')
+            ->setDescription('Test Transaction');
+
+$response = $request->create($transaction);
diff --git a/samples/transactions/create_new_transaction_with_preauthorization.php b/samples/transactions/create_new_transaction_with_preauthorization.php
new file mode 100644
index 0000000..a8a1dd3
--- /dev/null
+++ b/samples/transactions/create_new_transaction_with_preauthorization.php
@@ -0,0 +1,7 @@
+$transaction = new Paymill\Models\Request\Transaction();
+$transaction->setAmount(4200) // e.g. "4200" for 42.00 EUR
+            ->setCurrency('EUR')
+            ->setPreauthorization('preauth_ec54f67e52e92051bd65')
+            ->setDescription('Test Transaction');
+
+$response = $request->create($transaction);
diff --git a/samples/transactions/create_new_transaction_with_token.php b/samples/transactions/create_new_transaction_with_token.php
new file mode 100644
index 0000000..e88d6be
--- /dev/null
+++ b/samples/transactions/create_new_transaction_with_token.php
@@ -0,0 +1,7 @@
+$transaction = new Paymill\Models\Request\Transaction();
+$transaction->setAmount(4200) // e.g. "4200" for 42.00 EUR
+            ->setCurrency('EUR')
+            ->setToken('098f6bcd4621d373cade4e832627b4f6')
+            ->setDescription('Test Transaction');
+
+$response = $request->create($transaction);
diff --git a/samples/transactions/export_transactions_list.php b/samples/transactions/export_transactions_list.php
new file mode 100644
index 0000000..28384a7
--- /dev/null
+++ b/samples/transactions/export_transactions_list.php
@@ -0,0 +1 @@
+/* Not implemented yet */
diff --git a/samples/transactions/get_transaction_details_by_id.php b/samples/transactions/get_transaction_details_by_id.php
new file mode 100644
index 0000000..ff66109
--- /dev/null
+++ b/samples/transactions/get_transaction_details_by_id.php
@@ -0,0 +1,4 @@
+$transaction = new Paymill\Models\Request\Transaction();
+$transaction->setId('tran_023d3b5769321c649435');
+
+$response = $request->getOne($transaction);
diff --git a/samples/transactions/get_transaction_details_by_slv.php b/samples/transactions/get_transaction_details_by_slv.php
new file mode 100644
index 0000000..cdf91bc
--- /dev/null
+++ b/samples/transactions/get_transaction_details_by_slv.php
@@ -0,0 +1,4 @@
+$transaction = new Paymill\Models\Request\Transaction();
+$transaction->setId('slv_4125875679');
+
+$response = $request->getOne($transaction);
diff --git a/samples/transactions/list_transactions.php b/samples/transactions/list_transactions.php
new file mode 100644
index 0000000..31e6f04
--- /dev/null
+++ b/samples/transactions/list_transactions.php
@@ -0,0 +1,3 @@
+$transaction = new Paymill\Models\Request\Transaction();
+
+$response = $request->getAll($transaction);
diff --git a/samples/transactions/upate_transaction.php b/samples/transactions/upate_transaction.php
new file mode 100644
index 0000000..54829c3
--- /dev/null
+++ b/samples/transactions/upate_transaction.php
@@ -0,0 +1,5 @@
+$transaction = new Paymill\Models\Request\Transaction();
+$transaction->setId('tran_023d3b5769321c649435')
+            ->setDescription('My updated transaction description');
+
+$response = $request->update($transaction);
diff --git a/samples/webhooks/create_new_email_webhook.php b/samples/webhooks/create_new_email_webhook.php
new file mode 100644
index 0000000..a72698d
--- /dev/null
+++ b/samples/webhooks/create_new_email_webhook.php
@@ -0,0 +1,8 @@
+$webhook = new Paymill\Models\Request\Webhook();
+$webhook->setEmail('<your-webhook-email>')
+        ->setEventTypes(array(
+            'transaction.succeeded',
+            'transaction.failed'
+        ));
+
+$response = $request->create($webhook);
diff --git a/samples/webhooks/create_new_url_webhook.php b/samples/webhooks/create_new_url_webhook.php
new file mode 100644
index 0000000..8e0a836
--- /dev/null
+++ b/samples/webhooks/create_new_url_webhook.php
@@ -0,0 +1,8 @@
+$webhook = new Paymill\Models\Request\Webhook();
+$webhook->setUrl('<your-webhook-url>')
+        ->setEventTypes(array(
+            'transaction.succeeded',
+            'transaction.failed'
+        ));
+
+$response = $request->create($webhook);
diff --git a/samples/webhooks/export_webhooks_list.php b/samples/webhooks/export_webhooks_list.php
new file mode 100644
index 0000000..28384a7
--- /dev/null
+++ b/samples/webhooks/export_webhooks_list.php
@@ -0,0 +1 @@
+/* Not implemented yet */
diff --git a/samples/webhooks/get_webhook_details.php b/samples/webhooks/get_webhook_details.php
new file mode 100644
index 0000000..a5a7e94
--- /dev/null
+++ b/samples/webhooks/get_webhook_details.php
@@ -0,0 +1,4 @@
+$webhook = new Paymill\Models\Request\Webhook();
+$webhook->setId('hook_40237e20a7d5a231d99b');
+
+$response = $request->getOne($webhook);
diff --git a/samples/webhooks/list_webhooks.php b/samples/webhooks/list_webhooks.php
new file mode 100644
index 0000000..4dc1142
--- /dev/null
+++ b/samples/webhooks/list_webhooks.php
@@ -0,0 +1,7 @@
+$webhook = new Paymill\Models\Request\Webhook();
+$webhook->setFilter(array(
+    'count' => 2,
+    'offset' => 0
+));
+
+$response = $request->getAll($webhook);
diff --git a/samples/webhooks/remove_webhook.php b/samples/webhooks/remove_webhook.php
new file mode 100644
index 0000000..ab6a60b
--- /dev/null
+++ b/samples/webhooks/remove_webhook.php
@@ -0,0 +1,4 @@
+$webhook = new Paymill\Models\Request\Webhook();
+$webhook->setId('hook_40237e20a7d5a231d99b');
+
+$response = $request->delete($webhook);
diff --git a/samples/webhooks/update_webhook.php b/samples/webhooks/update_webhook.php
new file mode 100644
index 0000000..559b96a
--- /dev/null
+++ b/samples/webhooks/update_webhook.php
@@ -0,0 +1,9 @@
+$webhook = new Paymill\Models\Request\Webhook();
+$webhook->setId('hook_40237e20a7d5a231d99b')
+        ->setUrl('<your-webhook-url>')
+        ->setEventTypes(array(
+            'transaction.failed',
+            'subscription.failed'
+        ));
+
+$response = $request->update($webhook);