diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2bcd23e..8e6aebc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 1.1.0
+* Added new endpoint:
+  * ``/view/SpeakerEmails`` (undocumented)
+
 # 1.0.1
 * Shrunk generated code a bit
 * Updated openapi generator
diff --git a/README.md b/README.md
index 620ba54..611abcd 100644
--- a/README.md
+++ b/README.md
@@ -8,10 +8,18 @@ Java client for the [Sessionize API](https://sessionize.com/playbook/api)
 
 This client [is generated](./sessionize-java-client/pom.xml) from an [``openapi.yml``](./openapi/openapi.yml) using [OpenAPI Generator](https://openapi-generator.tech/).
 
-Currently this client supports the following endpoints of the Sessionize API ``v2``:
-* ``/view/All``
-* ``/view/Speakers``
-* ``/view/Sessions``
+#### API Support Status
+
+<details><summary>Supported endpoints</summary>
+
+Sessionize API ``v2``:
+* ``view``
+  * All ✔️
+  * Speakers ✔️
+  * SpeakerEmails ✔️ (undocumented endpoint)
+  * Sessions ✔️
+
+</details>
 
 ## Installation
 [Installation guide for the latest release](https://github.com/xdev-software/sessionize-java-client/releases/latest#Installation)
diff --git a/openapi/openapi.yml b/openapi/openapi.yml
index 0df97ac..4bca7c9 100644
--- a/openapi/openapi.yml
+++ b/openapi/openapi.yml
@@ -58,6 +58,35 @@ paths:
                 items:
                   $ref: '#/components/schemas/Speaker'
       deprecated: false
+  /api/v2/{endpointId}/view/SpeakersEmails:
+    get:
+      tags:
+        - "speakers"
+      operationId: getAllSpeakersEmails
+      description: 'Undocumented endpoint for retrieving the speakers with emails'
+      parameters:
+        - name: endpointId
+          in: path
+          required: true
+          schema:
+            type: string
+          example: jl4ktls0
+        - name: s
+          in: query
+          required: true
+          schema:
+            type: string
+          description: 'Special key that is only available/retrievable for unlocked admins (Contacting Sessionize-Support is required)'
+      responses:
+        '200':
+          description: Returned if the request is successful
+          content:
+            application/json:
+              schema:
+                type: array
+                items:
+                  $ref: '#/components/schemas/SpeakerWithEmail'
+      deprecated: false
   /api/v2/{endpointId}/view/Sessions:
     get:
       tags:
@@ -341,7 +370,7 @@ components:
       required:
         - id
         - name
-    BaseSpeaker:
+    BaseSpeakerEssential:
       type: object
       readOnly: true
       properties:
@@ -352,34 +381,41 @@ components:
           type: string
         lastName:
           type: string
-        bio:
-          type: string
-          nullable: true
-        tagLine:
-          type: string
-          nullable: true
-        profilePicture:
-          type: string
-          format: uri
-          nullable: true
-        isTopSpeaker:
-          type: boolean
-        links:
-          type: array
-          items:
-            $ref: '#/components/schemas/Link'
-        fullName:
-          type: string
-        # categoryItems - Always empty; ignored
-        # questionAnswers - Always empty; ignored 
       required:
         - firstName
-        - fullName
         - id
-        - isTopSpeaker
         - lastName
-        - links
-        - tagLine
+    BaseSpeaker:
+      allOf:
+        - $ref: '#/components/schemas/BaseSpeakerEssential'
+        - type: object
+          readOnly: true
+          properties:
+            bio:
+              type: string
+              nullable: true
+            tagLine:
+              type: string
+              nullable: true
+            profilePicture:
+              type: string
+              format: uri
+              nullable: true
+            isTopSpeaker:
+              type: boolean
+            links:
+              type: array
+              items:
+                $ref: '#/components/schemas/Link'
+            fullName:
+              type: string
+            # categoryItems - Always empty; ignored
+            # questionAnswers - Always empty; ignored 
+          required:
+            - fullName
+            - isTopSpeaker
+            - links
+            - tagLine
     Speaker:
       allOf:
         - $ref: '#/components/schemas/BaseSpeaker'
@@ -404,6 +440,17 @@ components:
                 type: integer # All Endpoint
           required:
             - sessions
+    SpeakerWithEmail:
+      allOf:
+        - $ref: '#/components/schemas/BaseSpeakerEssential'
+        - type: object
+          readOnly: true
+          properties:
+            email:
+              type: string
+              format: email
+          required:
+            - email
     SpeakerMinimal:
       type: object
       readOnly: true
diff --git a/pom.xml b/pom.xml
index da8a0f9..2677bd0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
 	<groupId>com.xdev-software</groupId>
 	<artifactId>sessionize-java-client-root</artifactId>
-	<version>1.0.2-SNAPSHOT</version>
+	<version>1.1.0-SNAPSHOT</version>
 	<packaging>pom</packaging>
 
 	<organization>
diff --git a/sessionize-java-client-demo/pom.xml b/sessionize-java-client-demo/pom.xml
index 4dd6325..71f55cf 100644
--- a/sessionize-java-client-demo/pom.xml
+++ b/sessionize-java-client-demo/pom.xml
@@ -6,7 +6,7 @@
 
 	<groupId>com.xdev-software</groupId>
 	<artifactId>sessionize-java-client-demo</artifactId>
-	<version>1.0.2-SNAPSHOT</version>
+	<version>1.1.0-SNAPSHOT</version>
 	<packaging>jar</packaging>
 
 	<inceptionYear>2023</inceptionYear>
diff --git a/sessionize-java-client/pom.xml b/sessionize-java-client/pom.xml
index 9ff47fc..fbdefca 100644
--- a/sessionize-java-client/pom.xml
+++ b/sessionize-java-client/pom.xml
@@ -6,7 +6,7 @@
 
 	<groupId>com.xdev-software</groupId>
 	<artifactId>sessionize-java-client</artifactId>
-	<version>1.0.2-SNAPSHOT</version>
+	<version>1.1.0-SNAPSHOT</version>
 	<packaging>jar</packaging>
 
 	<name>sessionize-java-client</name>
diff --git a/sessionize-java-client/src/generated/java/software/xdev/sessionize/api/SpeakersApi.java b/sessionize-java-client/src/generated/java/software/xdev/sessionize/api/SpeakersApi.java
index c3009c2..720a4dd 100644
--- a/sessionize-java-client/src/generated/java/software/xdev/sessionize/api/SpeakersApi.java
+++ b/sessionize-java-client/src/generated/java/software/xdev/sessionize/api/SpeakersApi.java
@@ -20,6 +20,7 @@
 import software.xdev.sessionize.client.Pair;
 
 import software.xdev.sessionize.model.Speaker;
+import software.xdev.sessionize.model.SpeakerWithEmail;
 
 
 import java.util.ArrayList;
@@ -126,4 +127,87 @@ public List<Speaker> getAllSpeakers(String endpointId, Map<String, String> addit
     );
   }
 
+  /**
+   * 
+   * Undocumented endpoint for retrieving the speakers with emails
+   * @param endpointId  (required)
+   * @param s Special key that is only available/retrievable for unlocked admins (Contacting Sessionize-Support is required) (required)
+   * @return List&lt;SpeakerWithEmail&gt;
+   * @throws ApiException if fails to make API call
+   */
+  public List<SpeakerWithEmail> getAllSpeakersEmails(String endpointId, String s) throws ApiException {
+    return this.getAllSpeakersEmails(endpointId, s, Collections.emptyMap());
+  }
+
+
+  /**
+   * 
+   * Undocumented endpoint for retrieving the speakers with emails
+   * @param endpointId  (required)
+   * @param s Special key that is only available/retrievable for unlocked admins (Contacting Sessionize-Support is required) (required)
+   * @param additionalHeaders additionalHeaders for this call
+   * @return List&lt;SpeakerWithEmail&gt;
+   * @throws ApiException if fails to make API call
+   */
+  public List<SpeakerWithEmail> getAllSpeakersEmails(String endpointId, String s, Map<String, String> additionalHeaders) throws ApiException {
+    Object localVarPostBody = null;
+    
+    // verify the required parameter 'endpointId' is set
+    if (endpointId == null) {
+      throw new ApiException(400, "Missing the required parameter 'endpointId' when calling getAllSpeakersEmails");
+    }
+    
+    // verify the required parameter 's' is set
+    if (s == null) {
+      throw new ApiException(400, "Missing the required parameter 's' when calling getAllSpeakersEmails");
+    }
+    
+    // create path and map variables
+    String localVarPath = "/api/v2/{endpointId}/view/SpeakersEmails"
+      .replaceAll("\\{" + "endpointId" + "\\}", apiClient.escapeString(endpointId.toString()));
+
+    StringJoiner localVarQueryStringJoiner = new StringJoiner("&");
+    String localVarQueryParameterBaseName;
+    List<Pair> localVarQueryParams = new ArrayList<Pair>();
+    List<Pair> localVarCollectionQueryParams = new ArrayList<Pair>();
+    Map<String, String> localVarHeaderParams = new HashMap<String, String>();
+    Map<String, String> localVarCookieParams = new HashMap<String, String>();
+    Map<String, Object> localVarFormParams = new HashMap<String, Object>();
+
+    localVarQueryParams.addAll(apiClient.parameterToPair("s", s));
+    
+    localVarHeaderParams.putAll(additionalHeaders);
+
+    
+    
+    final String[] localVarAccepts = {
+      "application/json"
+    };
+    final String localVarAccept = apiClient.selectHeaderAccept(localVarAccepts);
+
+    final String[] localVarContentTypes = {
+      
+    };
+    final String localVarContentType = apiClient.selectHeaderContentType(localVarContentTypes);
+
+    String[] localVarAuthNames = new String[] {  };
+
+    TypeReference<List<SpeakerWithEmail>> localVarReturnType = new TypeReference<List<SpeakerWithEmail>>() {};
+    return apiClient.invokeAPI(
+        localVarPath,
+        "GET",
+        localVarQueryParams,
+        localVarCollectionQueryParams,
+        localVarQueryStringJoiner.toString(),
+        localVarPostBody,
+        localVarHeaderParams,
+        localVarCookieParams,
+        localVarFormParams,
+        localVarAccept,
+        localVarContentType,
+        localVarAuthNames,
+        localVarReturnType
+    );
+  }
+
 }
diff --git a/sessionize-java-client/src/generated/java/software/xdev/sessionize/model/BaseSpeakerEssential.java b/sessionize-java-client/src/generated/java/software/xdev/sessionize/model/BaseSpeakerEssential.java
new file mode 100644
index 0000000..babae7d
--- /dev/null
+++ b/sessionize-java-client/src/generated/java/software/xdev/sessionize/model/BaseSpeakerEssential.java
@@ -0,0 +1,236 @@
+/*
+ * Sessionize JSON-REST API
+ * Sessionize JSON-REST API documentation by XDEV Software
+ *
+ * The version of the OpenAPI document: 2.0
+ * 
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+
+package software.xdev.sessionize.model;
+
+import java.util.Objects;
+import java.util.Arrays;
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonTypeName;
+import com.fasterxml.jackson.annotation.JsonValue;
+import java.util.UUID;
+import com.fasterxml.jackson.annotation.JsonPropertyOrder;
+import com.fasterxml.jackson.annotation.JsonTypeName;
+import java.io.UnsupportedEncodingException;
+import java.net.URLEncoder;
+import java.util.StringJoiner;
+
+/**
+ * BaseSpeakerEssential
+ */
+@JsonPropertyOrder({
+  BaseSpeakerEssential.JSON_PROPERTY_ID,
+  BaseSpeakerEssential.JSON_PROPERTY_FIRST_NAME,
+  BaseSpeakerEssential.JSON_PROPERTY_LAST_NAME
+})
+@jakarta.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen")
+public class BaseSpeakerEssential {
+  public static final String JSON_PROPERTY_ID = "id";
+  private UUID id;
+
+  public static final String JSON_PROPERTY_FIRST_NAME = "firstName";
+  private String firstName;
+
+  public static final String JSON_PROPERTY_LAST_NAME = "lastName";
+  private String lastName;
+
+  public BaseSpeakerEssential() {
+  }
+
+  public BaseSpeakerEssential id(UUID id) {
+    
+    this.id = id;
+    return this;
+  }
+
+   /**
+   * Get id
+   * @return id
+  **/
+  @jakarta.annotation.Nonnull
+  @JsonProperty(JSON_PROPERTY_ID)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+
+  public UUID getId() {
+    return id;
+  }
+
+
+  @JsonProperty(JSON_PROPERTY_ID)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+  public void setId(UUID id) {
+    this.id = id;
+  }
+
+
+  public BaseSpeakerEssential firstName(String firstName) {
+    
+    this.firstName = firstName;
+    return this;
+  }
+
+   /**
+   * Get firstName
+   * @return firstName
+  **/
+  @jakarta.annotation.Nonnull
+  @JsonProperty(JSON_PROPERTY_FIRST_NAME)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+
+  public String getFirstName() {
+    return firstName;
+  }
+
+
+  @JsonProperty(JSON_PROPERTY_FIRST_NAME)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+  public void setFirstName(String firstName) {
+    this.firstName = firstName;
+  }
+
+
+  public BaseSpeakerEssential lastName(String lastName) {
+    
+    this.lastName = lastName;
+    return this;
+  }
+
+   /**
+   * Get lastName
+   * @return lastName
+  **/
+  @jakarta.annotation.Nonnull
+  @JsonProperty(JSON_PROPERTY_LAST_NAME)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+
+  public String getLastName() {
+    return lastName;
+  }
+
+
+  @JsonProperty(JSON_PROPERTY_LAST_NAME)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+  public void setLastName(String lastName) {
+    this.lastName = lastName;
+  }
+
+  @Override
+  public boolean equals(Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
+    BaseSpeakerEssential baseSpeakerEssential = (BaseSpeakerEssential) o;
+    return Objects.equals(this.id, baseSpeakerEssential.id) &&
+        Objects.equals(this.firstName, baseSpeakerEssential.firstName) &&
+        Objects.equals(this.lastName, baseSpeakerEssential.lastName);
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hash(id, firstName, lastName);
+  }
+
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder();
+    sb.append("class BaseSpeakerEssential {\n");
+    sb.append("    id: ").append(toIndentedString(id)).append("\n");
+    sb.append("    firstName: ").append(toIndentedString(firstName)).append("\n");
+    sb.append("    lastName: ").append(toIndentedString(lastName)).append("\n");
+    sb.append("}");
+    return sb.toString();
+  }
+
+  /**
+   * Convert the given object to string with each line indented by 4 spaces
+   * (except the first line).
+   */
+  private String toIndentedString(Object o) {
+    if (o == null) {
+      return "null";
+    }
+    return o.toString().replace("\n", "\n    ");
+  }
+
+  /**
+   * Convert the instance into URL query string.
+   *
+   * @return URL query string
+   */
+  public String toUrlQueryString() {
+    return toUrlQueryString(null);
+  }
+
+  /**
+   * Convert the instance into URL query string.
+   *
+   * @param prefix prefix of the query string
+   * @return URL query string
+   */
+  public String toUrlQueryString(String prefix) {
+    String suffix = "";
+    String containerSuffix = "";
+    String containerPrefix = "";
+    if (prefix == null) {
+      // style=form, explode=true, e.g. /pet?name=cat&type=manx
+      prefix = "";
+    } else {
+      // deepObject style e.g. /pet?id[name]=cat&id[type]=manx
+      prefix = prefix + "[";
+      suffix = "]";
+      containerSuffix = "]";
+      containerPrefix = "[";
+    }
+
+    StringJoiner joiner = new StringJoiner("&");
+
+    // add `id` to the URL query string
+    if (getId() != null) {
+      try {
+        joiner.add(String.format("%sid%s=%s", prefix, suffix, URLEncoder.encode(String.valueOf(getId()), "UTF-8").replaceAll("\\+", "%20")));
+      } catch (UnsupportedEncodingException e) {
+        // Should never happen, UTF-8 is always supported
+        throw new RuntimeException(e);
+      }
+    }
+
+    // add `firstName` to the URL query string
+    if (getFirstName() != null) {
+      try {
+        joiner.add(String.format("%sfirstName%s=%s", prefix, suffix, URLEncoder.encode(String.valueOf(getFirstName()), "UTF-8").replaceAll("\\+", "%20")));
+      } catch (UnsupportedEncodingException e) {
+        // Should never happen, UTF-8 is always supported
+        throw new RuntimeException(e);
+      }
+    }
+
+    // add `lastName` to the URL query string
+    if (getLastName() != null) {
+      try {
+        joiner.add(String.format("%slastName%s=%s", prefix, suffix, URLEncoder.encode(String.valueOf(getLastName()), "UTF-8").replaceAll("\\+", "%20")));
+      } catch (UnsupportedEncodingException e) {
+        // Should never happen, UTF-8 is always supported
+        throw new RuntimeException(e);
+      }
+    }
+
+    return joiner.toString();
+  }
+
+}
+
diff --git a/sessionize-java-client/src/generated/java/software/xdev/sessionize/model/SpeakerWithEmail.java b/sessionize-java-client/src/generated/java/software/xdev/sessionize/model/SpeakerWithEmail.java
new file mode 100644
index 0000000..1ba9f14
--- /dev/null
+++ b/sessionize-java-client/src/generated/java/software/xdev/sessionize/model/SpeakerWithEmail.java
@@ -0,0 +1,278 @@
+/*
+ * Sessionize JSON-REST API
+ * Sessionize JSON-REST API documentation by XDEV Software
+ *
+ * The version of the OpenAPI document: 2.0
+ * 
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+
+package software.xdev.sessionize.model;
+
+import java.util.Objects;
+import java.util.Arrays;
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonTypeName;
+import com.fasterxml.jackson.annotation.JsonValue;
+import java.util.UUID;
+import com.fasterxml.jackson.annotation.JsonPropertyOrder;
+import com.fasterxml.jackson.annotation.JsonTypeName;
+import java.io.UnsupportedEncodingException;
+import java.net.URLEncoder;
+import java.util.StringJoiner;
+
+/**
+ * SpeakerWithEmail
+ */
+@JsonPropertyOrder({
+  SpeakerWithEmail.JSON_PROPERTY_ID,
+  SpeakerWithEmail.JSON_PROPERTY_FIRST_NAME,
+  SpeakerWithEmail.JSON_PROPERTY_LAST_NAME,
+  SpeakerWithEmail.JSON_PROPERTY_EMAIL
+})
+@jakarta.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen")
+public class SpeakerWithEmail {
+  public static final String JSON_PROPERTY_ID = "id";
+  private UUID id;
+
+  public static final String JSON_PROPERTY_FIRST_NAME = "firstName";
+  private String firstName;
+
+  public static final String JSON_PROPERTY_LAST_NAME = "lastName";
+  private String lastName;
+
+  public static final String JSON_PROPERTY_EMAIL = "email";
+  private String email;
+
+  public SpeakerWithEmail() {
+  }
+
+  public SpeakerWithEmail id(UUID id) {
+    
+    this.id = id;
+    return this;
+  }
+
+   /**
+   * Get id
+   * @return id
+  **/
+  @jakarta.annotation.Nonnull
+  @JsonProperty(JSON_PROPERTY_ID)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+
+  public UUID getId() {
+    return id;
+  }
+
+
+  @JsonProperty(JSON_PROPERTY_ID)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+  public void setId(UUID id) {
+    this.id = id;
+  }
+
+
+  public SpeakerWithEmail firstName(String firstName) {
+    
+    this.firstName = firstName;
+    return this;
+  }
+
+   /**
+   * Get firstName
+   * @return firstName
+  **/
+  @jakarta.annotation.Nonnull
+  @JsonProperty(JSON_PROPERTY_FIRST_NAME)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+
+  public String getFirstName() {
+    return firstName;
+  }
+
+
+  @JsonProperty(JSON_PROPERTY_FIRST_NAME)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+  public void setFirstName(String firstName) {
+    this.firstName = firstName;
+  }
+
+
+  public SpeakerWithEmail lastName(String lastName) {
+    
+    this.lastName = lastName;
+    return this;
+  }
+
+   /**
+   * Get lastName
+   * @return lastName
+  **/
+  @jakarta.annotation.Nonnull
+  @JsonProperty(JSON_PROPERTY_LAST_NAME)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+
+  public String getLastName() {
+    return lastName;
+  }
+
+
+  @JsonProperty(JSON_PROPERTY_LAST_NAME)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+  public void setLastName(String lastName) {
+    this.lastName = lastName;
+  }
+
+
+  public SpeakerWithEmail email(String email) {
+    
+    this.email = email;
+    return this;
+  }
+
+   /**
+   * Get email
+   * @return email
+  **/
+  @jakarta.annotation.Nonnull
+  @JsonProperty(JSON_PROPERTY_EMAIL)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+
+  public String getEmail() {
+    return email;
+  }
+
+
+  @JsonProperty(JSON_PROPERTY_EMAIL)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+  public void setEmail(String email) {
+    this.email = email;
+  }
+
+  @Override
+  public boolean equals(Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
+    SpeakerWithEmail speakerWithEmail = (SpeakerWithEmail) o;
+    return Objects.equals(this.id, speakerWithEmail.id) &&
+        Objects.equals(this.firstName, speakerWithEmail.firstName) &&
+        Objects.equals(this.lastName, speakerWithEmail.lastName) &&
+        Objects.equals(this.email, speakerWithEmail.email);
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hash(id, firstName, lastName, email);
+  }
+
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder();
+    sb.append("class SpeakerWithEmail {\n");
+    sb.append("    id: ").append(toIndentedString(id)).append("\n");
+    sb.append("    firstName: ").append(toIndentedString(firstName)).append("\n");
+    sb.append("    lastName: ").append(toIndentedString(lastName)).append("\n");
+    sb.append("    email: ").append(toIndentedString(email)).append("\n");
+    sb.append("}");
+    return sb.toString();
+  }
+
+  /**
+   * Convert the given object to string with each line indented by 4 spaces
+   * (except the first line).
+   */
+  private String toIndentedString(Object o) {
+    if (o == null) {
+      return "null";
+    }
+    return o.toString().replace("\n", "\n    ");
+  }
+
+  /**
+   * Convert the instance into URL query string.
+   *
+   * @return URL query string
+   */
+  public String toUrlQueryString() {
+    return toUrlQueryString(null);
+  }
+
+  /**
+   * Convert the instance into URL query string.
+   *
+   * @param prefix prefix of the query string
+   * @return URL query string
+   */
+  public String toUrlQueryString(String prefix) {
+    String suffix = "";
+    String containerSuffix = "";
+    String containerPrefix = "";
+    if (prefix == null) {
+      // style=form, explode=true, e.g. /pet?name=cat&type=manx
+      prefix = "";
+    } else {
+      // deepObject style e.g. /pet?id[name]=cat&id[type]=manx
+      prefix = prefix + "[";
+      suffix = "]";
+      containerSuffix = "]";
+      containerPrefix = "[";
+    }
+
+    StringJoiner joiner = new StringJoiner("&");
+
+    // add `id` to the URL query string
+    if (getId() != null) {
+      try {
+        joiner.add(String.format("%sid%s=%s", prefix, suffix, URLEncoder.encode(String.valueOf(getId()), "UTF-8").replaceAll("\\+", "%20")));
+      } catch (UnsupportedEncodingException e) {
+        // Should never happen, UTF-8 is always supported
+        throw new RuntimeException(e);
+      }
+    }
+
+    // add `firstName` to the URL query string
+    if (getFirstName() != null) {
+      try {
+        joiner.add(String.format("%sfirstName%s=%s", prefix, suffix, URLEncoder.encode(String.valueOf(getFirstName()), "UTF-8").replaceAll("\\+", "%20")));
+      } catch (UnsupportedEncodingException e) {
+        // Should never happen, UTF-8 is always supported
+        throw new RuntimeException(e);
+      }
+    }
+
+    // add `lastName` to the URL query string
+    if (getLastName() != null) {
+      try {
+        joiner.add(String.format("%slastName%s=%s", prefix, suffix, URLEncoder.encode(String.valueOf(getLastName()), "UTF-8").replaceAll("\\+", "%20")));
+      } catch (UnsupportedEncodingException e) {
+        // Should never happen, UTF-8 is always supported
+        throw new RuntimeException(e);
+      }
+    }
+
+    // add `email` to the URL query string
+    if (getEmail() != null) {
+      try {
+        joiner.add(String.format("%semail%s=%s", prefix, suffix, URLEncoder.encode(String.valueOf(getEmail()), "UTF-8").replaceAll("\\+", "%20")));
+      } catch (UnsupportedEncodingException e) {
+        // Should never happen, UTF-8 is always supported
+        throw new RuntimeException(e);
+      }
+    }
+
+    return joiner.toString();
+  }
+
+}
+