diff --git a/README.md b/README.md
index 0ae15581..7daaec76 100644
--- a/README.md
+++ b/README.md
@@ -14,14 +14,14 @@ With Maven:
 <dependency>
     <groupId>com.gocardless</groupId>
     <artifactId>gocardless-pro</artifactId>
-    <version>7.2.0</version>
+    <version>7.4.0</version>
 </dependency>
 ```
 
 With Gradle:
 
 ```
-implementation 'com.gocardless:gocardless-pro:7.2.0'
+implementation 'com.gocardless:gocardless-pro:7.4.0'
 ```
 
 ## Initializing the client
diff --git a/build.gradle b/build.gradle
index eefaa549..e1ae65dd 100644
--- a/build.gradle
+++ b/build.gradle
@@ -25,7 +25,7 @@ plugins {
 sourceCompatibility = 1.8
 targetCompatibility = 1.8
 group = 'com.gocardless'
-version = '7.2.0'
+version = '7.4.0'
 
 apply plugin: 'ch.raffael.pegdown-doclet'
 
diff --git a/src/main/java/com/gocardless/http/HttpClient.java b/src/main/java/com/gocardless/http/HttpClient.java
index b9db1b66..2d07e6c1 100644
--- a/src/main/java/com/gocardless/http/HttpClient.java
+++ b/src/main/java/com/gocardless/http/HttpClient.java
@@ -35,7 +35,7 @@ public class HttpClient {
     private static final String DISALLOWED_USER_AGENT_CHARACTERS =
             "[^\\w!#$%&'\\*\\+\\-\\.\\^`\\|~]";
     private static final String USER_AGENT =
-            String.format("gocardless-pro-java/7.2.0 java/%s %s/%s %s/%s",
+            String.format("gocardless-pro-java/7.4.0 java/%s %s/%s %s/%s",
                     cleanUserAgentToken(System.getProperty("java.vm.specification.version")),
                     cleanUserAgentToken(System.getProperty("java.vm.name")),
                     cleanUserAgentToken(System.getProperty("java.version")),
@@ -49,7 +49,7 @@ public class HttpClient {
         builder.put("GoCardless-Version", "2015-07-06");
         builder.put("Accept", "application/json");
         builder.put("GoCardless-Client-Library", "gocardless-pro-java");
-        builder.put("GoCardless-Client-Version", "7.2.0");
+        builder.put("GoCardless-Client-Version", "7.4.0");
         HEADERS = builder.build();
     }
     private final OkHttpClient rawClient;
diff --git a/src/main/java/com/gocardless/http/ListResponse.java b/src/main/java/com/gocardless/http/ListResponse.java
index 3ceb00ef..3e41594d 100644
--- a/src/main/java/com/gocardless/http/ListResponse.java
+++ b/src/main/java/com/gocardless/http/ListResponse.java
@@ -1,5 +1,6 @@
 package com.gocardless.http;
 
+import com.gocardless.resources.*;
 import java.util.List;
 
 /**
@@ -10,10 +11,12 @@
 public class ListResponse<T> {
     private final List<T> items;
     private final Meta meta;
+    private final Linked linked;
 
-    ListResponse(List<T> items, Meta meta) {
+    ListResponse(List<T> items, Meta meta, Linked linked) {
         this.items = items;
         this.meta = meta;
+        this.linked = linked;
     }
 
     /**
@@ -81,4 +84,98 @@ private String getAfter() {
             }
         }
     }
+
+    static class Linked {
+        private final List<BillingRequest> billingRequests;
+
+        public List<BillingRequest> getBillingRequests() {
+            return billingRequests;
+        }
+
+        private final List<Creditor> creditors;
+
+        public List<Creditor> getCreditors() {
+            return creditors;
+        }
+
+        private final List<Customer> customers;
+
+        public List<Customer> getCustomers() {
+            return customers;
+        }
+
+        private final List<InstalmentSchedule> instalmentSchedules;
+
+        public List<InstalmentSchedule> getInstalmentSchedules() {
+            return instalmentSchedules;
+        }
+
+        private final List<Mandate> mandates;
+
+        public List<Mandate> getMandates() {
+            return mandates;
+        }
+
+        private final List<OutboundPayment> outboundPayments;
+
+        public List<OutboundPayment> getOutboundPayments() {
+            return outboundPayments;
+        }
+
+        private final List<PayerAuthorisation> payerAuthorisations;
+
+        public List<PayerAuthorisation> getPayerAuthorisations() {
+            return payerAuthorisations;
+        }
+
+        private final List<Payment> payments;
+
+        public List<Payment> getPayments() {
+            return payments;
+        }
+
+        private final List<Payout> payouts;
+
+        public List<Payout> getPayouts() {
+            return payouts;
+        }
+
+        private final List<Refund> refunds;
+
+        public List<Refund> getRefunds() {
+            return refunds;
+        }
+
+        private final List<SchemeIdentifier> schemeIdentifiers;
+
+        public List<SchemeIdentifier> getSchemeIdentifiers() {
+            return schemeIdentifiers;
+        }
+
+        private final List<Subscription> subscriptions;
+
+        public List<Subscription> getSubscriptions() {
+            return subscriptions;
+        }
+
+        Linked(List<Payout> payouts, List<Customer> customers, List<Creditor> creditors,
+                List<InstalmentSchedule> instalmentSchedules,
+                List<OutboundPayment> outboundPayments, List<BillingRequest> billingRequests,
+                List<SchemeIdentifier> schemeIdentifiers, List<Payment> payments,
+                List<Subscription> subscriptions, List<Mandate> mandates,
+                List<PayerAuthorisation> payerAuthorisations, List<Refund> refunds) {
+            this.billingRequests = billingRequests;
+            this.creditors = creditors;
+            this.customers = customers;
+            this.instalmentSchedules = instalmentSchedules;
+            this.mandates = mandates;
+            this.outboundPayments = outboundPayments;
+            this.payerAuthorisations = payerAuthorisations;
+            this.payments = payments;
+            this.payouts = payouts;
+            this.refunds = refunds;
+            this.schemeIdentifiers = schemeIdentifiers;
+            this.subscriptions = subscriptions;
+        }
+    }
 }
diff --git a/src/main/java/com/gocardless/http/ResponseParser.java b/src/main/java/com/gocardless/http/ResponseParser.java
index e394db67..504a56ec 100644
--- a/src/main/java/com/gocardless/http/ResponseParser.java
+++ b/src/main/java/com/gocardless/http/ResponseParser.java
@@ -46,7 +46,9 @@ <T> ListResponse<T> parsePage(String responseBody, String envelope, TypeToken<Li
         List<T> items = parseMultiple(json, envelope, clazz);
         JsonObject metaJson = json.getAsJsonObject("meta");
         ListResponse.Meta meta = gson.fromJson(metaJson, ListResponse.Meta.class);
-        return new ListResponse<>(ImmutableList.copyOf(items), meta);
+        JsonObject linkedJson = json.getAsJsonObject("linked");
+        ListResponse.Linked linked = gson.fromJson(linkedJson, ListResponse.Linked.class);
+        return new ListResponse<>(ImmutableList.copyOf(items), meta, linked);
     }
 
     GoCardlessApiException parseError(String responseBody) {
diff --git a/src/main/java/com/gocardless/resources/BillingRequest.java b/src/main/java/com/gocardless/resources/BillingRequest.java
index 9e536da4..0e63cfc0 100644
--- a/src/main/java/com/gocardless/resources/BillingRequest.java
+++ b/src/main/java/com/gocardless/resources/BillingRequest.java
@@ -161,7 +161,11 @@ public enum PurposeCode {
         GOVERNMENT, @SerializedName("pension")
         PENSION, @SerializedName("tax")
         TAX, @SerializedName("other")
-        OTHER, @SerializedName("unknown")
+        OTHER, @SerializedName("Epayment")
+        EPAYMENT, @SerializedName("Commercial")
+        COMMERCIAL, @SerializedName("OtherPayment")
+        OTHERPAYMENT, @SerializedName("Trade")
+        TRADE, @SerializedName("unknown")
         UNKNOWN
     }
 
diff --git a/src/main/java/com/gocardless/resources/BillingRequestWithAction.java b/src/main/java/com/gocardless/resources/BillingRequestWithAction.java
index 2d6549d1..17366a44 100644
--- a/src/main/java/com/gocardless/resources/BillingRequestWithAction.java
+++ b/src/main/java/com/gocardless/resources/BillingRequestWithAction.java
@@ -357,7 +357,11 @@ public enum PurposeCode {
             GOVERNMENT, @SerializedName("pension")
             PENSION, @SerializedName("tax")
             TAX, @SerializedName("other")
-            OTHER, @SerializedName("unknown")
+            OTHER, @SerializedName("Epayment")
+            EPAYMENT, @SerializedName("Commercial")
+            COMMERCIAL, @SerializedName("OtherPayment")
+            OTHERPAYMENT, @SerializedName("Trade")
+            TRADE, @SerializedName("unknown")
             UNKNOWN
         }
 
diff --git a/src/main/java/com/gocardless/resources/Event.java b/src/main/java/com/gocardless/resources/Event.java
index a33b16d2..cc62ee6a 100644
--- a/src/main/java/com/gocardless/resources/Event.java
+++ b/src/main/java/com/gocardless/resources/Event.java
@@ -324,6 +324,7 @@ private Links() {
         private String customerBankAccount;
         private String instalmentSchedule;
         private String mandate;
+        private String mandateRequest;
         private String mandateRequestMandate;
         private String newCustomerBankAccount;
         private String newMandate;
@@ -397,6 +398,13 @@ public String getMandate() {
             return mandate;
         }
 
+        /**
+         * This is the id of the mandate request associated to this event
+         */
+        public String getMandateRequest() {
+            return mandateRequest;
+        }
+
         /**
          * If `resource_type` is `billing_requests`, this is the ID of the
          * [mandate](#core-endpoints-mandates) which has been created.
diff --git a/src/main/java/com/gocardless/resources/Mandate.java b/src/main/java/com/gocardless/resources/Mandate.java
index cefb1188..2934507c 100644
--- a/src/main/java/com/gocardless/resources/Mandate.java
+++ b/src/main/java/com/gocardless/resources/Mandate.java
@@ -1,7 +1,6 @@
 package com.gocardless.resources;
 
 import com.google.gson.annotations.SerializedName;
-import java.util.List;
 import java.util.Map;
 
 /**
@@ -227,7 +226,9 @@ private ConsentParameters() {
 
         private String endDate;
         private Integer maxAmountPerPayment;
-        private List<Period> periods;
+        private Integer maxAmountPerPeriod;
+        private Integer maxPaymentsPerPeriod;
+        private Period period;
         private String startDate;
 
         /**
@@ -245,10 +246,24 @@ public Integer getMaxAmountPerPayment() {
         }
 
         /**
-         * Frequency configuration
+         * The maximum total amount that can be charged for all payments in this period
          */
-        public List<Period> getPeriods() {
-            return periods;
+        public Integer getMaxAmountPerPeriod() {
+            return maxAmountPerPeriod;
+        }
+
+        /**
+         * The maximum number of payments that can be collected in this period
+         */
+        public Integer getMaxPaymentsPerPeriod() {
+            return maxPaymentsPerPeriod;
+        }
+
+        /**
+         * The repeating period for this mandate
+         */
+        public Period getPeriod() {
+            return period;
         }
 
         /**
@@ -258,45 +273,14 @@ public String getStartDate() {
             return startDate;
         }
 
-        public static class Period {
-            private Period() {
-                // blank to prevent instantiation
-            }
-
-            private Integer maxAmountPerPeriod;
-            private Integer maxPaymentsPerPeriod;
-            private PeriodPeriod period;
-
-            /**
-             * The maximum total amount that can be charged for all payments in this period
-             */
-            public Integer getMaxAmountPerPeriod() {
-                return maxAmountPerPeriod;
-            }
-
-            /**
-             * The maximum number of payments that can be collected in this period
-             */
-            public Integer getMaxPaymentsPerPeriod() {
-                return maxPaymentsPerPeriod;
-            }
-
-            /**
-             * The repeating period for this mandate
-             */
-            public PeriodPeriod getPeriod() {
-                return period;
-            }
-
-            public enum PeriodPeriod {
-                @SerializedName("day")
-                DAY, @SerializedName("week")
-                WEEK, @SerializedName("month")
-                MONTH, @SerializedName("year")
-                YEAR, @SerializedName("flexible")
-                FLEXIBLE, @SerializedName("unknown")
-                UNKNOWN
-            }
+        public enum Period {
+            @SerializedName("day")
+            DAY, @SerializedName("week")
+            WEEK, @SerializedName("month")
+            MONTH, @SerializedName("year")
+            YEAR, @SerializedName("flexible")
+            FLEXIBLE, @SerializedName("unknown")
+            UNKNOWN
         }
     }
 
diff --git a/src/main/java/com/gocardless/resources/OutboundPayment.java b/src/main/java/com/gocardless/resources/OutboundPayment.java
index c75f2e0f..5a6d0bf7 100644
--- a/src/main/java/com/gocardless/resources/OutboundPayment.java
+++ b/src/main/java/com/gocardless/resources/OutboundPayment.java
@@ -33,7 +33,7 @@ private OutboundPayment() {
     private Links links;
     private Map<String, Object> metadata;
     private String reference;
-    private String scheme;
+    private Scheme scheme;
     private Status status;
     private Verifications verifications;
 
@@ -103,7 +103,10 @@ public Map<String, Object> getMetadata() {
     }
 
     /**
-     * An auto-generated reference that will appear on your receiver's bank statement.
+     * An optional reference that will appear on your customer's bank statement. The character limit
+     * for this reference is dependent on the scheme.<br />
+     * <strong>Faster Payments</strong> - 18 characters, including:
+     * "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789 &-./"<br />
      */
     public String getReference() {
         return reference;
@@ -113,7 +116,7 @@ public String getReference() {
      * Bank payment scheme to process the outbound payment. Currently only "faster_payments" (GBP)
      * is supported.
      */
-    public String getScheme() {
+    public Scheme getScheme() {
         return scheme;
     }
 
@@ -156,6 +159,12 @@ public enum Currency {
         UNKNOWN
     }
 
+    public enum Scheme {
+        @SerializedName("faster_payments")
+        FASTER_PAYMENTS, @SerializedName("unknown")
+        UNKNOWN
+    }
+
     public enum Status {
         @SerializedName("verifying")
         VERIFYING, @SerializedName("pending_approval")
@@ -233,8 +242,8 @@ private RecipientBankAccountHolderVerification() {
             private Type type;
 
             /**
-             * -| The actual account name returned by the recipient's bank, populated only in the
-             * case of a partial match.
+             * The actual account name returned by the recipient's bank, populated only in the case
+             * of a partial match.
              */
             public String getActualAccountName() {
                 return actualAccountName;
diff --git a/src/main/java/com/gocardless/resources/Payment.java b/src/main/java/com/gocardless/resources/Payment.java
index 38321bfc..30e59391 100644
--- a/src/main/java/com/gocardless/resources/Payment.java
+++ b/src/main/java/com/gocardless/resources/Payment.java
@@ -31,6 +31,7 @@ private Payment() {
     private Map<String, Object> metadata;
     private String reference;
     private Boolean retryIfPossible;
+    private String scheme;
     private Status status;
 
     /**
@@ -154,6 +155,14 @@ public Boolean getRetryIfPossible() {
         return retryIfPossible;
     }
 
+    /**
+     * A bank payment scheme. Currently "ach", "autogiro", "bacs", "becs", "becs_nz",
+     * "betalingsservice", "faster_payments", "pad", "pay_to" and "sepa_core" are supported.
+     */
+    public String getScheme() {
+        return scheme;
+    }
+
     /**
      * One of:
      * <ul>
diff --git a/src/main/java/com/gocardless/resources/ScenarioSimulator.java b/src/main/java/com/gocardless/resources/ScenarioSimulator.java
index 36abced2..81f200e0 100644
--- a/src/main/java/com/gocardless/resources/ScenarioSimulator.java
+++ b/src/main/java/com/gocardless/resources/ScenarioSimulator.java
@@ -109,6 +109,11 @@ private ScenarioSimulator() {
      * it, and moves the associated payment to `failed`. The billing request must be in the
      * `pending` state, with all actions completed except for `bank_authorisation`. Only billing
      * requests with a `payment_request` are supported.</li>
+     * <li>`billing_request_fulfilled_and_payment_confirmed_to_failed`: Authorises the billing
+     * request, fulfils it, moves the associated payment to `confirmed` and then moves it to
+     * `failed`. The billing request must be in the `pending` state, with all actions completed
+     * except for `bank_authorisation`. Only billing requests with a `payment_request` are
+     * supported.</li>
      * <li>`billing_request_fulfilled_and_payment_paid_out`: Authorises the billing request, fulfils
      * it, and moves the associated payment to `paid_out`. The billing request must be in the
      * `pending` state, with all actions completed except for `bank_authorisation`. Only billing
diff --git a/src/main/java/com/gocardless/services/BillingRequestService.java b/src/main/java/com/gocardless/services/BillingRequestService.java
index 4be888fa..3e25bb91 100644
--- a/src/main/java/com/gocardless/services/BillingRequestService.java
+++ b/src/main/java/com/gocardless/services/BillingRequestService.java
@@ -921,7 +921,11 @@ public enum PurposeCode {
             GOVERNMENT, @SerializedName("pension")
             PENSION, @SerializedName("tax")
             TAX, @SerializedName("other")
-            OTHER, @SerializedName("unknown")
+            OTHER, @SerializedName("Epayment")
+            EPAYMENT, @SerializedName("Commercial")
+            COMMERCIAL, @SerializedName("OtherPayment")
+            OTHERPAYMENT, @SerializedName("Trade")
+            TRADE, @SerializedName("unknown")
             UNKNOWN;
 
             @Override
diff --git a/src/main/java/com/gocardless/services/BillingRequestTemplateService.java b/src/main/java/com/gocardless/services/BillingRequestTemplateService.java
index 16ea5a36..53261738 100644
--- a/src/main/java/com/gocardless/services/BillingRequestTemplateService.java
+++ b/src/main/java/com/gocardless/services/BillingRequestTemplateService.java
@@ -79,6 +79,8 @@ public BillingRequestTemplateUpdateRequest update(String identity) {
      */
     public static final class BillingRequestTemplateListRequest<S>
             extends ListRequest<S, BillingRequestTemplate> {
+        private String paymentRequestScheme;
+
         /**
          * Cursor pointing to the start of the desired set.
          */
@@ -103,6 +105,19 @@ public BillingRequestTemplateListRequest<S> withLimit(Integer limit) {
             return this;
         }
 
+        /**
+         * (Optional) A scheme used for Open Banking payments. Currently `faster_payments` is
+         * supported in the UK (GBP) and `sepa_credit_transfer` and `sepa_instant_credit_transfer`
+         * are supported in supported Eurozone countries (EUR). For Eurozone countries,
+         * `sepa_credit_transfer` is used as the default. Please be aware that
+         * `sepa_instant_credit_transfer` may incur an additional fee for your customer.
+         */
+        public BillingRequestTemplateListRequest<S> withPaymentRequestScheme(
+                String paymentRequestScheme) {
+            this.paymentRequestScheme = paymentRequestScheme;
+            return this;
+        }
+
         private BillingRequestTemplateListRequest(HttpClient httpClient,
                 ListRequestExecutor<S, BillingRequestTemplate> executor) {
             super(httpClient, executor);
@@ -118,6 +133,9 @@ public BillingRequestTemplateListRequest<S> withHeader(String headerName,
         protected Map<String, Object> getQueryParams() {
             ImmutableMap.Builder<String, Object> params = ImmutableMap.builder();
             params.putAll(super.getQueryParams());
+            if (paymentRequestScheme != null) {
+                params.put("payment_request_scheme", paymentRequestScheme);
+            }
             return params.build();
         }
 
diff --git a/src/main/java/com/gocardless/services/BillingRequestWithActionService.java b/src/main/java/com/gocardless/services/BillingRequestWithActionService.java
index 77ab8402..a8996381 100644
--- a/src/main/java/com/gocardless/services/BillingRequestWithActionService.java
+++ b/src/main/java/com/gocardless/services/BillingRequestWithActionService.java
@@ -553,7 +553,11 @@ public enum PurposeCode {
             GOVERNMENT, @SerializedName("pension")
             PENSION, @SerializedName("tax")
             TAX, @SerializedName("other")
-            OTHER, @SerializedName("unknown")
+            OTHER, @SerializedName("Epayment")
+            EPAYMENT, @SerializedName("Commercial")
+            COMMERCIAL, @SerializedName("OtherPayment")
+            OTHERPAYMENT, @SerializedName("Trade")
+            TRADE, @SerializedName("unknown")
             UNKNOWN;
 
             @Override
diff --git a/src/main/java/com/gocardless/services/OutboundPaymentService.java b/src/main/java/com/gocardless/services/OutboundPaymentService.java
index 64e61177..d8257bf1 100644
--- a/src/main/java/com/gocardless/services/OutboundPaymentService.java
+++ b/src/main/java/com/gocardless/services/OutboundPaymentService.java
@@ -105,7 +105,8 @@ public static final class OutboundPaymentCreateRequest
         private String executionDate;
         private Links links;
         private Map<String, String> metadata;
-        private String scheme;
+        private String reference;
+        private Scheme scheme;
 
         /**
          * Amount, in the lowest denomination for the currency (e.g. pence in GBP, cents in EUR).
@@ -181,11 +182,22 @@ public OutboundPaymentCreateRequest withMetadata(String key, String value) {
             return this;
         }
 
+        /**
+         * An optional reference that will appear on your customer's bank statement. The character
+         * limit for this reference is dependent on the scheme.<br />
+         * <strong>Faster Payments</strong> - 18 characters, including:
+         * "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789 &-./"<br />
+         */
+        public OutboundPaymentCreateRequest withReference(String reference) {
+            this.reference = reference;
+            return this;
+        }
+
         /**
          * Bank payment scheme to process the outbound payment. Currently only "faster_payments"
          * (GBP) is supported.
          */
-        public OutboundPaymentCreateRequest withScheme(String scheme) {
+        public OutboundPaymentCreateRequest withScheme(Scheme scheme) {
             this.scheme = scheme;
             return this;
         }
@@ -233,6 +245,17 @@ protected boolean hasBody() {
             return true;
         }
 
+        public enum Scheme {
+            @SerializedName("faster_payments")
+            FASTER_PAYMENTS, @SerializedName("unknown")
+            UNKNOWN;
+
+            @Override
+            public String toString() {
+                return name().toLowerCase();
+            }
+        }
+
         public static class Links {
             private String creditor;
             private String recipientBankAccount;
@@ -266,7 +289,8 @@ public static final class OutboundPaymentWithdrawRequest extends PostRequest<Out
         private String executionDate;
         private Links links;
         private Map<String, String> metadata;
-        private String scheme;
+        private String reference;
+        private Scheme scheme;
 
         /**
          * Amount, in the lowest denomination for the currency (e.g. pence in GBP, cents in EUR).
@@ -330,11 +354,22 @@ public OutboundPaymentWithdrawRequest withMetadata(String key, String value) {
             return this;
         }
 
+        /**
+         * An optional reference that will appear on your customer's bank statement. The character
+         * limit for this reference is dependent on the scheme.<br />
+         * <strong>Faster Payments</strong> - 18 characters, including:
+         * "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789 &-./"<br />
+         */
+        public OutboundPaymentWithdrawRequest withReference(String reference) {
+            this.reference = reference;
+            return this;
+        }
+
         /**
          * Bank payment scheme to process the outbound payment. Currently only "faster_payments"
          * (GBP) is supported.
          */
-        public OutboundPaymentWithdrawRequest withScheme(String scheme) {
+        public OutboundPaymentWithdrawRequest withScheme(Scheme scheme) {
             this.scheme = scheme;
             return this;
         }
@@ -373,6 +408,17 @@ protected String getRequestEnvelope() {
             return "data";
         }
 
+        public enum Scheme {
+            @SerializedName("faster_payments")
+            FASTER_PAYMENTS, @SerializedName("unknown")
+            UNKNOWN;
+
+            @Override
+            public String toString() {
+                return name().toLowerCase();
+            }
+        }
+
         public static class Links {
             private String creditor;