diff --git a/README.md b/README.md
index 504f627..8d7da7d 100644
--- a/README.md
+++ b/README.md
@@ -94,11 +94,10 @@ Instructions for using with Maven, Ivy, etc. can be found on [Maven Central](htt
 To make it easier to use the library with Java, configuration builders are available:
 
 ```java
-var config = new Config.Builder()
-        .url("https://www.example.com/")
-        .shortUrl("foobar")
+var config = new ShortenConfig.Builder("https://www.example.com/")
+        .shorturl("foobar")
         .callback("test")
-        .logStats(true)
+        .logstats(true)
         .format(Format.JSON)
         .build();
 
@@ -106,8 +105,8 @@ Isgd.shorten(config);
 ```
 
 ```java
-var config = new Config.Builder()
-        .shortUrl("https://is.gd/Pt2sET")
+var config = new LookupConfig.Builder("https://is.gd/Pt2sET")
+        .callback("test")
         .format(Format.XML)
         .build();
 
diff --git a/examples/bld/src/main/java/com/example/IsgdSample.java b/examples/bld/src/main/java/com/example/IsgdSample.java
index b79d095..ed0d774 100644
--- a/examples/bld/src/main/java/com/example/IsgdSample.java
+++ b/examples/bld/src/main/java/com/example/IsgdSample.java
@@ -1,9 +1,9 @@
 package com.example;
 
-import net.thauvin.erik.isgd.Config;
 import net.thauvin.erik.isgd.Format;
 import net.thauvin.erik.isgd.Isgd;
 import net.thauvin.erik.isgd.IsgdException;
+import net.thauvin.erik.isgd.LookupConfig;
 
 public final class IsgdSample {
     public static void main(final String[] args) {
@@ -12,7 +12,7 @@ public final class IsgdSample {
                 try {
                     if (arg.contains("is.gd")) {
                         System.out.println(arg + " <-- " + Isgd.lookup(arg));
-                        System.out.print(Isgd.lookup(new Config.Builder().shortUrl(arg).format(Format.WEB).build()));
+                        System.out.print(Isgd.lookup(new LookupConfig.Builder(arg).format(Format.WEB).build()));
                     } else {
                         System.out.println(arg + " --> " + Isgd.shorten(arg));
                     }
diff --git a/examples/gradle/.idea/gradle.xml b/examples/gradle/.idea/gradle.xml
index 7d3b3e8..f2c1963 100644
--- a/examples/gradle/.idea/gradle.xml
+++ b/examples/gradle/.idea/gradle.xml
@@ -5,7 +5,7 @@
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
-        <option name="gradleJvm" value="#JAVA_HOME" />
+        <option name="gradleJvm" value="17" />
         <option name="modules">
           <set>
             <option value="$PROJECT_DIR$" />
diff --git a/examples/gradle/.idea/kotlinc.xml b/examples/gradle/.idea/kotlinc.xml
index e805548..6d0ee1c 100644
--- a/examples/gradle/.idea/kotlinc.xml
+++ b/examples/gradle/.idea/kotlinc.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="KotlinJpsPluginSettings">
-    <option name="version" value="1.9.20" />
+    <option name="version" value="2.0.0" />
   </component>
 </project>
\ No newline at end of file
diff --git a/examples/gradle/.idea/libraries/Gradle__org_jetbrains_annotations_13_0.xml b/examples/gradle/.idea/libraries/Gradle__org_jetbrains_annotations_13_0.xml
index 4a95d89..1045c16 100644
--- a/examples/gradle/.idea/libraries/Gradle__org_jetbrains_annotations_13_0.xml
+++ b/examples/gradle/.idea/libraries/Gradle__org_jetbrains_annotations_13_0.xml
@@ -2,11 +2,13 @@
   <library name="Gradle: org.jetbrains:annotations:13.0" type="java-imported" external-system-id="GRADLE">
     <properties groupId="org.jetbrains" artifactId="annotations" version="13.0" />
     <CLASSES>
-      <root url="jar://$MAVEN_REPOSITORY$/org/jetbrains/annotations/13.0/annotations-13.0.jar!/" />
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.jetbrains/annotations/13.0/919f0dfe192fb4e063e7dacadee7f8bb9a2672a9/annotations-13.0.jar!/" />
     </CLASSES>
-    <JAVADOC />
+    <JAVADOC>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.jetbrains/annotations/13.0/73368c3b0887f3adc2c2730dd1b95d7c3781aaf3/annotations-13.0-javadoc.jar!/" />
+    </JAVADOC>
     <SOURCES>
-      <root url="jar://$MAVEN_REPOSITORY$/org/jetbrains/annotations/13.0/annotations-13.0-sources.jar!/" />
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.jetbrains/annotations/13.0/5991ca87ef1fb5544943d9abc5a9a37583fabe03/annotations-13.0-sources.jar!/" />
     </SOURCES>
   </library>
 </component>
\ No newline at end of file
diff --git a/examples/gradle/.idea/misc.xml b/examples/gradle/.idea/misc.xml
index 2b2ce21..aac3519 100644
--- a/examples/gradle/.idea/misc.xml
+++ b/examples/gradle/.idea/misc.xml
@@ -3,5 +3,5 @@
   <component name="PDMPlugin">
     <option name="skipTestSources" value="false" />
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" project-jdk-name="20" project-jdk-type="JavaSDK" />
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" project-jdk-name="17" project-jdk-type="JavaSDK" />
 </project>
\ No newline at end of file
diff --git a/examples/gradle/.idea/modules.xml b/examples/gradle/.idea/modules.xml
index c982859..2ec1f70 100644
--- a/examples/gradle/.idea/modules.xml
+++ b/examples/gradle/.idea/modules.xml
@@ -2,9 +2,9 @@
 <project version="4">
   <component name="ProjectModuleManager">
     <modules>
-      <module fileurl="file://$PROJECT_DIR$/.idea/modules/isgd-examples.iml" filepath="$PROJECT_DIR$/.idea/modules/isgd-examples.iml" />
-      <module fileurl="file://$PROJECT_DIR$/.idea/modules/isgd-examples.main.iml" filepath="$PROJECT_DIR$/.idea/modules/isgd-examples.main.iml" />
-      <module fileurl="file://$PROJECT_DIR$/.idea/modules/isgd-examples.test.iml" filepath="$PROJECT_DIR$/.idea/modules/isgd-examples.test.iml" />
+      <module fileurl="file://$PROJECT_DIR$/.idea/modules/isgd-shorten-examples-gradle.iml" filepath="$PROJECT_DIR$/.idea/modules/isgd-shorten-examples-gradle.iml" />
+      <module fileurl="file://$PROJECT_DIR$/.idea/modules/isgd-shorten-examples-gradle.main.iml" filepath="$PROJECT_DIR$/.idea/modules/isgd-shorten-examples-gradle.main.iml" />
+      <module fileurl="file://$PROJECT_DIR$/.idea/modules/isgd-shorten-examples-gradle.test.iml" filepath="$PROJECT_DIR$/.idea/modules/isgd-shorten-examples-gradle.test.iml" />
     </modules>
   </component>
 </project>
\ No newline at end of file
diff --git a/examples/gradle/.idea/modules/isgd-examples.iml b/examples/gradle/.idea/modules/isgd-examples.iml
deleted file mode 100644
index 89a0841..0000000
--- a/examples/gradle/.idea/modules/isgd-examples.iml
+++ /dev/null
@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module external.linked.project.id="isgd-examples" external.linked.project.path="$MODULE_DIR$/../.." external.root.project.path="$MODULE_DIR$/../.." external.system.id="GRADLE" external.system.module.group="" external.system.module.version="unspecified" type="JAVA_MODULE" version="4">
-  <component name="NewModuleRootManager" inherit-compiler-output="true">
-    <exclude-output />
-    <content url="file://$MODULE_DIR$/../..">
-      <excludeFolder url="file://$MODULE_DIR$/../../.gradle" />
-      <excludeFolder url="file://$MODULE_DIR$/../../build" />
-    </content>
-    <orderEntry type="inheritedJdk" />
-    <orderEntry type="sourceFolder" forTests="false" />
-  </component>
-</module>
\ No newline at end of file
diff --git a/examples/gradle/.idea/modules/isgd-examples.main.iml b/examples/gradle/.idea/modules/isgd-examples.main.iml
deleted file mode 100644
index ced4435..0000000
--- a/examples/gradle/.idea/modules/isgd-examples.main.iml
+++ /dev/null
@@ -1,53 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module external.linked.project.id="isgd-examples:main" external.linked.project.path="$MODULE_DIR$/../.." external.root.project.path="$MODULE_DIR$/../.." external.system.id="GRADLE" external.system.module.group="" external.system.module.type="sourceSet" external.system.module.version="unspecified" type="JAVA_MODULE" version="4">
-  <component name="FacetManager">
-    <facet external-system-id="GRADLE" type="kotlin-language" name="Kotlin">
-      <configuration version="5" platform="JVM 11" allPlatforms="JVM [11]" useProjectSettings="false">
-        <compilerSettings />
-        <compilerArguments>
-          <flagArguments>
-            <flagArg name="allowNoSourceFiles" arg="true" />
-            <flagArg name="noReflect" arg="true" />
-            <flagArg name="noStdlib" arg="true" />
-          </flagArguments>
-          <stringArguments>
-            <stringArg name="destination" arg="$MODULE_DIR$/../../build/classes/kotlin/main" />
-            <stringArg name="jvmTarget" arg="11" />
-            <stringArg name="moduleName" arg="isgd-examples" />
-            <stringArg name="apiVersion" arg="1.9" />
-            <stringArg name="languageVersion" arg="1.9" />
-          </stringArguments>
-          <arrayArguments>
-            <arrayArg name="pluginClasspaths">
-              <args>
-                <arg>$MAVEN_REPOSITORY$/org/jetbrains/kotlin/kotlin-scripting-jvm/1.9.20/kotlin-scripting-jvm-1.9.20.jar</arg>
-                <arg>$MAVEN_REPOSITORY$/org/jetbrains/kotlin/kotlin-scripting-common/1.9.20/kotlin-scripting-common-1.9.20.jar</arg>
-                <arg>$MAVEN_REPOSITORY$/org/jetbrains/kotlin/kotlin-stdlib/1.9.20/kotlin-stdlib-1.9.20.jar</arg>
-                <arg>$MAVEN_REPOSITORY$/org/jetbrains/annotations/13.0/annotations-13.0.jar</arg>
-                <arg>$MAVEN_REPOSITORY$/org/jetbrains/kotlin/kotlin-script-runtime/1.9.20/kotlin-script-runtime-1.9.20.jar</arg>
-              </args>
-            </arrayArg>
-            <arrayArg name="pluginOptions" />
-          </arrayArguments>
-        </compilerArguments>
-      </configuration>
-    </facet>
-  </component>
-  <component name="NewModuleRootManager">
-    <output url="file://$MODULE_DIR$/../../build/classes/java/main" />
-    <exclude-output />
-    <content url="file://$MODULE_DIR$/../../src/main">
-      <sourceFolder url="file://$MODULE_DIR$/../../src/main/java" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/../../src/main/kotlin" isTestSource="false" />
-    </content>
-    <orderEntry type="inheritedJdk" />
-    <orderEntry type="sourceFolder" forTests="false" />
-    <orderEntry type="library" name="Gradle: net.thauvin.erik:isgd-shorten:1.0.0" level="project" />
-    <orderEntry type="library" name="Gradle: org.jetbrains.kotlin:kotlin-stdlib:1.9.20" level="project" />
-    <orderEntry type="library" name="Gradle: org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.9.10" level="project" />
-    <orderEntry type="library" name="Gradle: org.jetbrains:annotations:13.0" level="project" />
-    <orderEntry type="library" name="Gradle: org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.9.10" level="project" />
-    <orderEntry type="library" scope="RUNTIME" name="Gradle: net.thauvin.erik.urlencoder:urlencoder-lib-jvm:1.4.0" level="project" />
-    <orderEntry type="library" scope="RUNTIME" name="Gradle: org.jetbrains.kotlin:kotlin-stdlib-common:1.9.10" level="project" />
-  </component>
-</module>
\ No newline at end of file
diff --git a/examples/gradle/.idea/modules/isgd-examples.test.iml b/examples/gradle/.idea/modules/isgd-examples.test.iml
deleted file mode 100644
index b2cce05..0000000
--- a/examples/gradle/.idea/modules/isgd-examples.test.iml
+++ /dev/null
@@ -1,53 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module external.linked.project.id="isgd-examples:test" external.linked.project.path="$MODULE_DIR$/../.." external.root.project.path="$MODULE_DIR$/../.." external.system.id="GRADLE" external.system.module.group="" external.system.module.type="sourceSet" external.system.module.version="unspecified" type="JAVA_MODULE" version="4">
-  <component name="FacetManager">
-    <facet external-system-id="GRADLE" type="kotlin-language" name="Kotlin">
-      <configuration version="5" platform="JVM 11" allPlatforms="JVM [11]" useProjectSettings="false">
-        <additionalVisibleModuleNames>isgd-examples:main</additionalVisibleModuleNames>
-        <compilerSettings />
-        <compilerArguments>
-          <flagArguments>
-            <flagArg name="allowNoSourceFiles" arg="true" />
-            <flagArg name="noReflect" arg="true" />
-            <flagArg name="noStdlib" arg="true" />
-          </flagArguments>
-          <stringArguments>
-            <stringArg name="destination" arg="$MODULE_DIR$/../../build/classes/kotlin/test" />
-            <stringArg name="jvmTarget" arg="11" />
-            <stringArg name="moduleName" arg="isgd-examples_test" />
-            <stringArg name="apiVersion" arg="1.9" />
-            <stringArg name="languageVersion" arg="1.9" />
-          </stringArguments>
-          <arrayArguments>
-            <arrayArg name="pluginClasspaths">
-              <args>
-                <arg>$MAVEN_REPOSITORY$/org/jetbrains/kotlin/kotlin-scripting-jvm/1.9.20/kotlin-scripting-jvm-1.9.20.jar</arg>
-                <arg>$MAVEN_REPOSITORY$/org/jetbrains/kotlin/kotlin-scripting-common/1.9.20/kotlin-scripting-common-1.9.20.jar</arg>
-                <arg>$MAVEN_REPOSITORY$/org/jetbrains/kotlin/kotlin-stdlib/1.9.20/kotlin-stdlib-1.9.20.jar</arg>
-                <arg>$MAVEN_REPOSITORY$/org/jetbrains/annotations/13.0/annotations-13.0.jar</arg>
-                <arg>$MAVEN_REPOSITORY$/org/jetbrains/kotlin/kotlin-script-runtime/1.9.20/kotlin-script-runtime-1.9.20.jar</arg>
-              </args>
-            </arrayArg>
-            <arrayArg name="pluginOptions" />
-          </arrayArguments>
-        </compilerArguments>
-      </configuration>
-    </facet>
-  </component>
-  <component name="NewModuleRootManager">
-    <output-test url="file://$MODULE_DIR$/../../build/classes/java/test" />
-    <exclude-output />
-    <content url="file://$MODULE_DIR$/../../src/test" />
-    <orderEntry type="inheritedJdk" />
-    <orderEntry type="sourceFolder" forTests="false" />
-    <orderEntry type="module" module-name="isgd-examples.main" />
-    <orderEntry type="library" name="Gradle: net.thauvin.erik:isgd-shorten:1.0.0" level="project" />
-    <orderEntry type="library" name="Gradle: org.jetbrains.kotlin:kotlin-stdlib:1.9.20" level="project" />
-    <orderEntry type="library" name="Gradle: org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.9.10" level="project" />
-    <orderEntry type="library" name="Gradle: org.jetbrains:annotations:13.0" level="project" />
-    <orderEntry type="library" name="Gradle: org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.9.10" level="project" />
-    <orderEntry type="library" scope="RUNTIME" name="Gradle: net.thauvin.erik.urlencoder:urlencoder-lib-jvm:1.4.0" level="project" />
-    <orderEntry type="library" scope="RUNTIME" name="Gradle: org.jetbrains.kotlin:kotlin-stdlib-common:1.9.10" level="project" />
-  </component>
-  <component name="TestModuleProperties" production-module="isgd-examples.main" />
-</module>
\ No newline at end of file
diff --git a/examples/gradle/src/main/java/com/example/IsgdSample.java b/examples/gradle/src/main/java/com/example/IsgdSample.java
index b79d095..ed0d774 100644
--- a/examples/gradle/src/main/java/com/example/IsgdSample.java
+++ b/examples/gradle/src/main/java/com/example/IsgdSample.java
@@ -1,9 +1,9 @@
 package com.example;
 
-import net.thauvin.erik.isgd.Config;
 import net.thauvin.erik.isgd.Format;
 import net.thauvin.erik.isgd.Isgd;
 import net.thauvin.erik.isgd.IsgdException;
+import net.thauvin.erik.isgd.LookupConfig;
 
 public final class IsgdSample {
     public static void main(final String[] args) {
@@ -12,7 +12,7 @@ public final class IsgdSample {
                 try {
                     if (arg.contains("is.gd")) {
                         System.out.println(arg + " <-- " + Isgd.lookup(arg));
-                        System.out.print(Isgd.lookup(new Config.Builder().shortUrl(arg).format(Format.WEB).build()));
+                        System.out.print(Isgd.lookup(new LookupConfig.Builder(arg).format(Format.WEB).build()));
                     } else {
                         System.out.println(arg + " --> " + Isgd.shorten(arg));
                     }
diff --git a/src/main/kotlin/net/thauvin/erik/isgd/Isgd.kt b/src/main/kotlin/net/thauvin/erik/isgd/Isgd.kt
index 756eb3f..2575d04 100644
--- a/src/main/kotlin/net/thauvin/erik/isgd/Isgd.kt
+++ b/src/main/kotlin/net/thauvin/erik/isgd/Isgd.kt
@@ -75,7 +75,7 @@ class Isgd private constructor() {
          */
         @JvmStatic
         @Throws(IsgdException::class)
-        fun lookup(config: Config): String {
+        fun lookup(config: LookupConfig): String {
             return lookup(
                 config.shorturl,
                 config.callback,
@@ -89,9 +89,10 @@ class Isgd private constructor() {
          *
          * See the [is.gd API](https://is.gd/apilookupreference.php).
          *
-         * @param The shorturl parameter is the shortened is.gd URL that you want to look up. You can either submit the
-         * full address (e.g. https://is.gd/example) or only the unique part (e.g. example). The address you submit
-         * should be properly formed; the API lookup function is not guaranteed to handle malformed URLs the same way as when you visit them manually.
+         * @param shorturl The shorturl parameter is the shortened is.gd URL that you want to look up. You can either
+         * submit the full address (e.g. `https://is.gd/example`) or only the unique part (e.g. `example`). The address
+         * you submit should be properly formed; the API lookup function is not guaranteed to handle malformed URLs the
+         * same way as when you visit them manually.
          * @param callback The callback parameter is used to specify a callback function to wrap the returned data in
          * when using JSON format. This can be useful when working with cross domain data. Even when using JSON format
          * this parameter is optional.
@@ -128,7 +129,7 @@ class Isgd private constructor() {
          */
         @JvmStatic
         @Throws(IsgdException::class)
-        fun shorten(config: Config): String {
+        fun shorten(config: ShortenConfig): String {
             return shorten(
                 config.url,
                 config.shorturl,
diff --git a/src/main/kotlin/net/thauvin/erik/isgd/LookupConfig.kt b/src/main/kotlin/net/thauvin/erik/isgd/LookupConfig.kt
new file mode 100644
index 0000000..9f8d285
--- /dev/null
+++ b/src/main/kotlin/net/thauvin/erik/isgd/LookupConfig.kt
@@ -0,0 +1,84 @@
+/*
+ * LookupConfig.kt
+ *
+ * Copyright 2020-2024 Erik C. Thauvin (erik@thauvin.net)
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *   Redistributions of source code must retain the above copyright notice, this
+ *   list of conditions and the following disclaimer.
+ *
+ *   Redistributions in binary form must reproduce the above copyright notice,
+ *   this list of conditions and the following disclaimer in the documentation
+ *   and/or other materials provided with the distribution.
+ *
+ *   Neither the name of this project nor the names of its contributors may be
+ *   used to endorse or promote products derived from this software without
+ *   specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package net.thauvin.erik.isgd
+
+/**
+ * Provides a builder to lookup an is.gd shortlink.
+ */
+class LookupConfig private constructor(builder: Builder) {
+    val shorturl: String = builder.shorturl
+    val callback: String = builder.callback
+    val format: Format = builder.format
+    val isVgd: Boolean = builder.isVgd
+
+    /**
+     * Configures the parameters to lookup an is.gd shortlink.
+     *
+     * See the [is.gd Lookup]() API.
+     */
+    data class Builder(var shorturl: String) {
+        var callback: String = ""
+        var format: Format = Format.SIMPLE
+        var isVgd: Boolean = false
+
+        /**
+         * The shorturl parameter is the shortened is.gd URL that you want to look up. You can either submit the full
+         * address (e.g. `https://is.gd/example`) or only the unique part (e.g. `example`). The address you submit
+         * should be properly formed; the API lookup function is not guaranteed to handle malformed URLs the same way
+         * as when you visit them manually.
+         */
+        fun shorturl(shorturl: String): Builder = apply { this.shorturl = shorturl }
+
+        /**
+         * The callback parameter is used to specify a callback function to wrap the returned data in
+         * when using JSON format. This can be useful when working with cross domain data. Even when using JSON format
+         * this parameter is optional.
+         */
+        fun callback(callback: String): Builder = apply { this.callback = callback }
+
+        /**
+         * The format parameter determines what format is.gd uses to send output back to you (e.g. to
+         * tell you what your new shortened URL is or if an error has occurred).
+         */
+        fun format(format: Format): Builder = apply { this.format = format }
+
+        /**
+         * Shorten using the `v.gd` domain.
+         */
+        fun isVgd(isVgd: Boolean): Builder = apply { this.isVgd = isVgd }
+
+        /**
+         * Builds a new configuration.
+         */
+        fun build() = LookupConfig(this)
+    }
+}
diff --git a/src/main/kotlin/net/thauvin/erik/isgd/ShortenConfig.kt b/src/main/kotlin/net/thauvin/erik/isgd/ShortenConfig.kt
index 83b4589..c4a9d9e 100644
--- a/src/main/kotlin/net/thauvin/erik/isgd/ShortenConfig.kt
+++ b/src/main/kotlin/net/thauvin/erik/isgd/ShortenConfig.kt
@@ -1,5 +1,5 @@
 /*
- * Config.kt
+ * ShortenConfig.kt
  *
  * Copyright 2020-2024 Erik C. Thauvin (erik@thauvin.net)
  *
@@ -32,9 +32,9 @@
 package net.thauvin.erik.isgd
 
 /**
- * Provides a builder to create/lookup an is.gd shortlink.
+ * Provides a builder to create an is.gd shortlink.
  */
-class Config private constructor(builder: Builder) {
+class ShortenConfig private constructor(builder: Builder) {
     val url: String = builder.url
     val shorturl: String = builder.shorturl
     val callback: String = builder.callback
@@ -43,16 +43,15 @@ class Config private constructor(builder: Builder) {
     val isVgd: Boolean = builder.isVgd
 
     /**
-     * Configures the parameters to create/lookup an is.gd shortlink.
+     * Configures the parameters to create an is.gd shortlink.
      *
-     * See the [is.gd Shortening](https://is.gd/apishorteningreference.php) or
-     * [is.gd Lookup](https://is.gd/apilookupreference.php) APIs.
+     * See the [is.gd Shortening](https://is.gd/apishorteningreference.php) API.
      */
     data class Builder(var url: String) {
-        var shorturl: String = "",
-        var callback: String = "",
-        var logstats: Boolean = false,
-        var format: Format = Format.SIMPLE,
+        var shorturl: String = ""
+        var callback: String = ""
+        var logstats: Boolean = false
+        var format: Format = Format.SIMPLE
         var isVgd: Boolean = false
 
         /**
@@ -67,7 +66,7 @@ class Config private constructor(builder: Builder) {
          * short URL might already be taken (this is very often the case with common words) so if you're using this
          * option be prepared to respond to an error and get an alternative choice from your app's user.
          */
-        fun shortUrl(shortUrl: String): Builder = apply { this.shorturl = shortUrl }
+        fun shorturl(shorturl: String): Builder = apply { this.shorturl = shorturl }
 
         /**
          * The callback parameter is used to specify a callback function to wrap the returned data in
@@ -85,7 +84,7 @@ class Config private constructor(builder: Builder) {
          * parameter out of your API call if you don't require statistics on usage. See the
          * [usage limits page](https://is.gd/usagelimits.php) for more information on this.
          */
-        fun logStats(logStats: Boolean): Builder = apply { this.logstats = logStats }
+        fun logstats(logstats: Boolean): Builder = apply { this.logstats = logstats }
 
         /**
          * The format parameter determines what format is.gd uses to send output back to you (e.g. to
@@ -101,6 +100,6 @@ class Config private constructor(builder: Builder) {
         /**
          * Builds a new configuration.
          */
-        fun build() = Config(this)
+        fun build() = ShortenConfig(this)
     }
 }
diff --git a/src/test/kotlin/net/thauvin/erik/isgd/IsgdTest.kt b/src/test/kotlin/net/thauvin/erik/isgd/IsgdTest.kt
index 0e68ec2..1139351 100644
--- a/src/test/kotlin/net/thauvin/erik/isgd/IsgdTest.kt
+++ b/src/test/kotlin/net/thauvin/erik/isgd/IsgdTest.kt
@@ -66,7 +66,7 @@ class IsgdTest {
         assertFailsWith(
             message = "shorten(config:duplicate)",
             exceptionClass = IsgdException::class,
-            block = { Isgd.shorten(Config.Builder().url(shortUrl).build()) }
+            block = { Isgd.shorten(ShortenConfig.Builder(shortUrl).build()) }
         )
     }
 
@@ -84,7 +84,7 @@ class IsgdTest {
         assertFailsWith(
             message = "lookup(config:empty)",
             exceptionClass = IllegalArgumentException::class,
-            block = { Isgd.lookup(Config.Builder().shortUrl("").build()) }
+            block = { Isgd.lookup(LookupConfig.Builder("").build()) }
         )
     }
 
@@ -96,10 +96,10 @@ class IsgdTest {
 
     @Test
     fun testLookupDefaultConfig() {
-        assertEquals(url, Isgd.lookup(Config.Builder().shortUrl(shortUrl).build()), "lookup(config)")
+        assertEquals(url, Isgd.lookup(LookupConfig.Builder(shortUrl).build()), "lookup(config)")
         assertEquals(
             url, Isgd.lookup(
-                Config.Builder().shortUrl(shortVgdUrl).isVgd(true).build()
+                LookupConfig.Builder(shortVgdUrl).isVgd(true).build()
             ), "lookup(config:isVgd)"
         )
     }
@@ -119,12 +119,12 @@ class IsgdTest {
     fun testLookupJsonConfig() {
         assertEquals(
             "{ \"url\": \"$url\" }",
-            Isgd.lookup(Config.Builder().shortUrl(shortUrl).format(Format.JSON).build()), "lookup(config)"
+            Isgd.lookup(LookupConfig.Builder(shortUrl).format(Format.JSON).build()), "lookup(config)"
         )
 
         assertEquals(
             "test({ \"url\": \"$url\" });",
-            Isgd.lookup(Config.Builder().shortUrl(shortUrl).callback("test").format(Format.JSON).build()),
+            Isgd.lookup(LookupConfig.Builder(shortUrl).callback("test").format(Format.JSON).build()),
             "lookup(config:callback)"
         )
     }
@@ -141,7 +141,7 @@ class IsgdTest {
     fun testLookupXmlConfig() {
         assertEquals(
             "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?><output><url>$url</url></output>",
-            Isgd.lookup(Config.Builder().shortUrl(shortUrl).format(Format.XML).build()),
+            Isgd.lookup(LookupConfig.Builder(shortUrl).format(Format.XML).build()),
             "lookup(config:xml)"
         )
     }
@@ -166,13 +166,13 @@ class IsgdTest {
         assertFailsWith(
             message = "shorten(config:empty)",
             exceptionClass = IllegalArgumentException::class,
-            block = { Isgd.shorten(Config.Builder().url("").build()) }
+            block = { Isgd.shorten(ShortenConfig.Builder("").build()) }
         )
 
         assertFailsWith(
             message = "shorten(config:shorturl)",
             exceptionClass = IsgdException::class,
-            block = { Isgd.shorten(Config.Builder(url).shortUrl("test").build()) }
+            block = { Isgd.shorten(ShortenConfig.Builder(url).shorturl("test").build()) }
         )
     }
 
@@ -185,13 +185,13 @@ class IsgdTest {
 
     @Test
     fun testShortenDefaultConfig() {
-        assertEquals(shortUrl, Isgd.shorten(Config.Builder().url(url).build()), "shorten(config:url)")
+        assertEquals(shortUrl, Isgd.shorten(ShortenConfig.Builder(url).build()), "shorten(config:url)")
         assertEquals(
             shortVgdUrl,
-            Isgd.shorten(Config.Builder().url(url).isVgd(true).build()),
+            Isgd.shorten(ShortenConfig.Builder(url).isVgd(true).build()),
             "shorten(config:isVgd)"
         )
-        assertThat(Isgd.shorten(Config.Builder().url(url).logStats(true).build()), "shorten(config:callback)")
+        assertThat(Isgd.shorten(ShortenConfig.Builder(url).logstats(true).build()), "shorten(config:callback)")
             .matches("https://is.gd/\\w{6}".toRegex())
     }
 
@@ -209,11 +209,11 @@ class IsgdTest {
     fun testShortenJsonConfig() {
         assertEquals(
             "{ \"shorturl\": \"$shortUrl\" }",
-            Isgd.shorten(Config.Builder().url(url).format(Format.JSON).build()), "shorten(config:json)"
+            Isgd.shorten(ShortenConfig.Builder(url).format(Format.JSON).build()), "shorten(config:json)"
         )
         assertEquals(
             "test({ \"shorturl\": \"$shortUrl\" });",
-            Isgd.shorten(Config.Builder().url(url).callback("test").format(Format.JSON).build()),
+            Isgd.shorten(ShortenConfig.Builder(url).callback("test").format(Format.JSON).build()),
             "shorten(config:callback,json)"
         )
     }
@@ -232,7 +232,7 @@ class IsgdTest {
         assertEquals(
             "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?>" +
                     "<output><shorturl>$shortUrl</shorturl></output>",
-            Isgd.shorten(Config.Builder().url(url).format(Format.XML).build()),
+            Isgd.shorten(ShortenConfig.Builder(url).format(Format.XML).build()),
             "shorten(config:xml)"
         )
     }
@@ -244,7 +244,7 @@ class IsgdTest {
 
     @Test
     fun testShortenWebConfig() {
-        assertThat(Isgd.shorten(Config.Builder().url(url).format(Format.WEB).build()), "shorten(config:web)")
+        assertThat(Isgd.shorten(ShortenConfig.Builder(url).format(Format.WEB).build()), "shorten(config:web)")
             .contains(shortUrl)
     }
 }