diff --git a/.idea/bitly-shorten.iml b/.idea/bitly-shorten.iml
deleted file mode 100644
index 78b2cc5..0000000
--- a/.idea/bitly-shorten.iml
+++ /dev/null
@@ -1,2 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module type="JAVA_MODULE" version="4" />
\ No newline at end of file
diff --git a/.idea/compiler.xml b/.idea/compiler.xml
new file mode 100644
index 0000000..61a9130
--- /dev/null
+++ b/.idea/compiler.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <bytecodeTargetLevel target="1.8" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/jarRepositories.xml b/.idea/jarRepositories.xml
index d80efca..6b0a35d 100644
--- a/.idea/jarRepositories.xml
+++ b/.idea/jarRepositories.xml
@@ -36,5 +36,10 @@
       <option name="name" value="MavenLocal" />
       <option name="url" value="file:$MAVEN_REPOSITORY$/" />
     </remote-repository>
+    <remote-repository>
+      <option name="id" value="maven" />
+      <option name="name" value="maven" />
+      <option name="url" value="https://oss.sonatype.org/content/repositories/snapshots" />
+    </remote-repository>
   </component>
 </project>
\ No newline at end of file
diff --git a/.idea/libraries-with-intellij-classes.xml b/.idea/libraries-with-intellij-classes.xml
new file mode 100644
index 0000000..9fa3156
--- /dev/null
+++ b/.idea/libraries-with-intellij-classes.xml
@@ -0,0 +1,65 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="libraries-with-intellij-classes">
+    <option name="intellijApiContainingLibraries">
+      <list>
+        <LibraryCoordinatesState>
+          <option name="artifactId" value="ideaIU" />
+          <option name="groupId" value="com.jetbrains.intellij.idea" />
+        </LibraryCoordinatesState>
+        <LibraryCoordinatesState>
+          <option name="artifactId" value="ideaIU" />
+          <option name="groupId" value="com.jetbrains" />
+        </LibraryCoordinatesState>
+        <LibraryCoordinatesState>
+          <option name="artifactId" value="ideaIC" />
+          <option name="groupId" value="com.jetbrains.intellij.idea" />
+        </LibraryCoordinatesState>
+        <LibraryCoordinatesState>
+          <option name="artifactId" value="ideaIC" />
+          <option name="groupId" value="com.jetbrains" />
+        </LibraryCoordinatesState>
+        <LibraryCoordinatesState>
+          <option name="artifactId" value="pycharmPY" />
+          <option name="groupId" value="com.jetbrains.intellij.pycharm" />
+        </LibraryCoordinatesState>
+        <LibraryCoordinatesState>
+          <option name="artifactId" value="pycharmPY" />
+          <option name="groupId" value="com.jetbrains" />
+        </LibraryCoordinatesState>
+        <LibraryCoordinatesState>
+          <option name="artifactId" value="pycharmPC" />
+          <option name="groupId" value="com.jetbrains.intellij.pycharm" />
+        </LibraryCoordinatesState>
+        <LibraryCoordinatesState>
+          <option name="artifactId" value="pycharmPC" />
+          <option name="groupId" value="com.jetbrains" />
+        </LibraryCoordinatesState>
+        <LibraryCoordinatesState>
+          <option name="artifactId" value="clion" />
+          <option name="groupId" value="com.jetbrains.intellij.clion" />
+        </LibraryCoordinatesState>
+        <LibraryCoordinatesState>
+          <option name="artifactId" value="clion" />
+          <option name="groupId" value="com.jetbrains" />
+        </LibraryCoordinatesState>
+        <LibraryCoordinatesState>
+          <option name="artifactId" value="riderRD" />
+          <option name="groupId" value="com.jetbrains.intellij.rider" />
+        </LibraryCoordinatesState>
+        <LibraryCoordinatesState>
+          <option name="artifactId" value="riderRD" />
+          <option name="groupId" value="com.jetbrains" />
+        </LibraryCoordinatesState>
+        <LibraryCoordinatesState>
+          <option name="artifactId" value="goland" />
+          <option name="groupId" value="com.jetbrains.intellij.goland" />
+        </LibraryCoordinatesState>
+        <LibraryCoordinatesState>
+          <option name="artifactId" value="goland" />
+          <option name="groupId" value="com.jetbrains" />
+        </LibraryCoordinatesState>
+      </list>
+    </option>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
index 05b6e27..a3609c8 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -12,7 +12,7 @@
   <component name="JavaScriptSettings">
     <option name="languageLevel" value="ES6" />
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="false" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" project-jdk-name="15" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">
diff --git a/build.gradle.kts b/build.gradle.kts
index 205de5f..d8a6c51 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,7 +1,7 @@
-import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
-import java.net.URL
 import org.gradle.api.tasks.testing.logging.TestExceptionFormat
 import org.gradle.api.tasks.testing.logging.TestLogEvent
+import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
+import java.net.URL
 
 plugins {
     id("com.github.ben-manes.versions") version "0.39.0"
@@ -138,9 +138,9 @@ tasks {
             }
         }
     }
-    
+
     dokkaJavadoc {
-         dokkaSourceSets {
+        dokkaSourceSets {
             configureEach {
                 jdkVersion.set(8)
                 includes.from("config/dokka/packages.md")
@@ -231,10 +231,10 @@ publishing {
         maven {
             name = "ossrh"
             project.afterEvaluate {
-                    url = if (version.toString().contains("SNAPSHOT"))
-                            uri("https://oss.sonatype.org/content/repositories/snapshots/")
-                          else
-                            uri("https://oss.sonatype.org/service/local/staging/deploy/maven2/")
+                url = if (version.toString().contains("SNAPSHOT"))
+                    uri("https://oss.sonatype.org/content/repositories/snapshots/")
+                else
+                    uri("https://oss.sonatype.org/service/local/staging/deploy/maven2/")
             }
             credentials(PasswordCredentials::class)
         }
diff --git a/config/detekt/baseline.xml b/config/detekt/baseline.xml
index 3e7f711..8c10719 100644
--- a/config/detekt/baseline.xml
+++ b/config/detekt/baseline.xml
@@ -14,7 +14,16 @@
     <ID>FunctionParameterNaming:Bitlinks.kt$Bitlinks$long_url: String = Constants.EMPTY</ID>
     <ID>FunctionParameterNaming:Bitlinks.kt$Bitlinks$unit_reference: String = Constants.EMPTY</ID>
     <ID>MagicNumber:CallResponse.kt$CallResponse$200</ID>
+    <ID>MagicNumber:CallResponse.kt$CallResponse$201</ID>
     <ID>MagicNumber:CallResponse.kt$CallResponse$299</ID>
+    <ID>MagicNumber:CallResponse.kt$CallResponse$400</ID>
+    <ID>MagicNumber:CallResponse.kt$CallResponse$402</ID>
+    <ID>MagicNumber:CallResponse.kt$CallResponse$403</ID>
+    <ID>MagicNumber:CallResponse.kt$CallResponse$404</ID>
+    <ID>MagicNumber:CallResponse.kt$CallResponse$417</ID>
+    <ID>MagicNumber:CallResponse.kt$CallResponse$422</ID>
+    <ID>MagicNumber:CallResponse.kt$CallResponse$500</ID>
+    <ID>MagicNumber:CallResponse.kt$CallResponse$503</ID>
     <ID>NestedBlockDepth:Utils.kt$Utils.Companion$ @JvmOverloads fun call( accessToken: String, endPoint: String, params: Map&lt;String, Any> = emptyMap(), method: Methods = Methods.POST ): CallResponse</ID>
     <ID>NestedBlockDepth:Utils.kt$Utils.Companion$private fun parseBody(endPoint: String, result: Response): String</ID>
   </CurrentIssues>
diff --git a/pom.xml b/pom.xml
index 8dd651a..96bf1b9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -40,7 +40,7 @@
       <dependency>
         <groupId>org.jetbrains.kotlin</groupId>
         <artifactId>kotlin-bom</artifactId>
-        <version>1.5.0</version>
+        <version>1.5.10</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
@@ -50,7 +50,7 @@
     <dependency>
       <groupId>org.jetbrains.kotlin</groupId>
       <artifactId>kotlin-stdlib-jdk8</artifactId>
-      <version>1.5.0</version>
+      <version>1.5.10</version>
       <scope>compile</scope>
     </dependency>
     <dependency>
diff --git a/src/main/kotlin/net/thauvin/erik/bitly/Bitlinks.kt b/src/main/kotlin/net/thauvin/erik/bitly/Bitlinks.kt
index 6ed046b..e43a9b3 100644
--- a/src/main/kotlin/net/thauvin/erik/bitly/Bitlinks.kt
+++ b/src/main/kotlin/net/thauvin/erik/bitly/Bitlinks.kt
@@ -81,10 +81,10 @@ open class Bitlinks(private val accessToken: String) {
                 accessToken,
                 ("/bitlinks/${bitlink.removeHttp()}/clicks/summary").toEndPoint(),
                 mapOf(
-                    "unit" to  unit.toString().lowercase(),
+                    "unit" to unit.toString().lowercase(),
                     "units" to units.toString(),
-                    "size" to  size.toString(),
-                    "unit_reference" to  unit_reference
+                    "size" to size.toString(),
+                    "unit_reference" to unit_reference
                 ),
                 Methods.GET
             )
@@ -98,6 +98,8 @@ open class Bitlinks(private val accessToken: String) {
      *
      * See the [Bit.ly API](https://dev.bitly.com/api-reference#createFullBitlink) for more information.
      *
+     * @param domain A branded short domain or `bit.ly` by default.
+     * @param group_guid A GUID for a Bitly group.
      * @param long_url The long URL.
      * @param toJson Returns the full JSON response if `true`.
      * @return The shorten URL or an empty string on error.
@@ -118,14 +120,13 @@ open class Bitlinks(private val accessToken: String) {
             lastCallResponse = Utils.call(
                 accessToken,
                 "/bitlinks".toEndPoint(),
-                mutableMapOf<String, Any>("long_url" to  long_url).apply {
+                mutableMapOf<String, Any>("long_url" to long_url).apply {
                     if (domain.isNotBlank()) put("domain", domain)
                     if (title.isNotBlank()) put("title", title)
                     if (group_guid.isNotBlank()) put("group_guid", group_guid)
                     if (tags.isNotEmpty()) put("tags", tags)
                     if (deeplinks.isNotEmpty()) put("deeplinks", deeplinks)
-                },
-                Methods.POST
+                }
             )
             link = parseJsonResponse(lastCallResponse, "link", link, toJson)
         }
@@ -149,8 +150,7 @@ open class Bitlinks(private val accessToken: String) {
             lastCallResponse = Utils.call(
                 accessToken,
                 "/expand".toEndPoint(),
-                mapOf("bitlink_id" to bitlink_id.removeHttp()),
-                Methods.POST
+                mapOf("bitlink_id" to bitlink_id.removeHttp())
             )
             longUrl = parseJsonResponse(lastCallResponse, "long_url", longUrl, toJson)
         }
@@ -187,6 +187,8 @@ open class Bitlinks(private val accessToken: String) {
      * See the [Bit.ly API](https://dev.bitly.com/api-reference#createBitlink) for more information.
      *
      * @param long_url The long URL.
+     * @param group_guid A GUID for a Bitly group.
+     * @param domain A branded short domain or `bit.ly` by default.
      * @param toJson Returns the full JSON response if `true`.
      * @return The short URL or the [long_url] on error.
      */
@@ -202,10 +204,9 @@ open class Bitlinks(private val accessToken: String) {
         if (!long_url.isValidUrl()) {
             Utils.logger.severe("Please specify a valid URL to shorten.")
         } else {
-            val params = mutableMapOf<String, String>().apply {
+            val params = mutableMapOf("long_url" to long_url).apply {
                 if (group_guid.isNotBlank()) put("group_guid", group_guid)
                 if (domain.isNotBlank()) put("domain", domain)
-                put("long_url", long_url)
             }
 
             lastCallResponse = Utils.call(accessToken, "/shorten".toEndPoint(), params)
@@ -247,19 +248,19 @@ open class Bitlinks(private val accessToken: String) {
         if (bitlink.isNotBlank()) {
             lastCallResponse = Utils.call(
                 accessToken, "/bitlinks/${bitlink.removeHttp()}".toEndPoint(), mutableMapOf<String, Any>().apply {
-                if (references.isNotEmpty()) put("references", references)
-                if (archived) put("archived", archived)
-                if (tags.isNotEmpty()) put("tags", tags)
-                if (created_at.isNotBlank()) put("created_at", created_at)
-                if (title.isNotBlank()) put("title", title)
-                if (deeplinks.isNotEmpty()) put("deeplinks", deeplinks)
-                if (created_by.isNotBlank()) put("created_by", created_by)
-                if (long_url.isNotBlank()) put("long_url", long_url)
-                if (client_id.isNotBlank()) put("client_id", client_id)
-                if (custom_bitlinks.isNotEmpty()) put("custom_bitlinks", custom_bitlinks)
-                if (link.isNotBlank()) put("link", link)
-                if (id.isNotBlank()) put("id", id)
-            },
+                    if (references.isNotEmpty()) put("references", references)
+                    if (archived) put("archived", archived)
+                    if (tags.isNotEmpty()) put("tags", tags)
+                    if (created_at.isNotBlank()) put("created_at", created_at)
+                    if (title.isNotBlank()) put("title", title)
+                    if (deeplinks.isNotEmpty()) put("deeplinks", deeplinks)
+                    if (created_by.isNotBlank()) put("created_by", created_by)
+                    if (long_url.isNotBlank()) put("long_url", long_url)
+                    if (client_id.isNotBlank()) put("client_id", client_id)
+                    if (custom_bitlinks.isNotEmpty()) put("custom_bitlinks", custom_bitlinks)
+                    if (link.isNotBlank()) put("link", link)
+                    if (id.isNotBlank()) put("id", id)
+                },
                 Methods.PATCH
             )
 
diff --git a/src/main/kotlin/net/thauvin/erik/bitly/Bitly.kt b/src/main/kotlin/net/thauvin/erik/bitly/Bitly.kt
index d31a2c8..731b826 100644
--- a/src/main/kotlin/net/thauvin/erik/bitly/Bitly.kt
+++ b/src/main/kotlin/net/thauvin/erik/bitly/Bitly.kt
@@ -52,7 +52,7 @@ open class Bitly() {
         ?: (System.getProperty(Constants.ENV_ACCESS_TOKEN) ?: Constants.EMPTY)
 
     /**
-     * Creates a new instance using an [API Access Token][Bitly.accessToken].
+     * Creates a new instance using an [API Access Token][accessToken].
      *
      * @param accessToken The API access token.
      */
@@ -62,9 +62,9 @@ open class Bitly() {
     }
 
     /**
-     * Creates a new instance using a [Properties][properties] and [Property Key][key].
+     * Creates a new instance using a properties and property key.
      *
-     * @param properties The properties.
+     * @param properties The properties containing the [API Access Token][accessToken].
      * @param key The property key containing the [API Access Token][accessToken].
      */
     @Suppress("unused")
@@ -74,9 +74,9 @@ open class Bitly() {
     }
 
     /**
-     * Creates a new instance using a [Properties File Path][propertiesFilePath] and [Property Key][key].
+     * Creates a new instance using a properties file path and property key.
      *
-     * @param propertiesFilePath The properties file path.
+     * @param propertiesFilePath The file path of the properties containing the [API Access Token][accessToken].
      * @param key The property key containing the [API Access Token][accessToken].
      */
     @JvmOverloads
@@ -91,9 +91,9 @@ open class Bitly() {
     }
 
     /**
-     * Creates a new instance using a [Properties File][propertiesFile] and [Property Key][key].
+     * Creates a new instance using a properties file and property key.
      *
-     * @param propertiesFile The properties file.
+     * @param propertiesFile The properties file containing the [API Access Token][accessToken].
      * @param key The property key containing the [API Access Token][accessToken].
      */
     @Suppress("unused")
@@ -111,7 +111,7 @@ open class Bitly() {
      * @param endPoint The REST endpoint. (eg. `https://api-ssl.bitly.com/v4/shorten`)
      * @param params The request parameters key/value map.
      * @param method The submission [Method][Methods].
-     * @return The response (JSON) from the API.
+     * @return A [CallResponse] object.
      */
     @JvmOverloads
     fun call(endPoint: String, params: Map<String, Any> = emptyMap(), method: Methods = Methods.POST): CallResponse {
diff --git a/src/main/kotlin/net/thauvin/erik/bitly/CallResponse.kt b/src/main/kotlin/net/thauvin/erik/bitly/CallResponse.kt
index 4fe7a96..d2b2e2d 100644
--- a/src/main/kotlin/net/thauvin/erik/bitly/CallResponse.kt
+++ b/src/main/kotlin/net/thauvin/erik/bitly/CallResponse.kt
@@ -35,6 +35,7 @@ package net.thauvin.erik.bitly
 /**
  * Provides a data class to hold the JSON response.
  */
+@Suppress("unused")
 data class CallResponse(val body: String = Constants.EMPTY_JSON, val resultCode: Int = -1) {
     val isSuccessful: Boolean
         get() = resultCode in 200..299
diff --git a/src/main/kotlin/net/thauvin/erik/bitly/Utils.kt b/src/main/kotlin/net/thauvin/erik/bitly/Utils.kt
index 5e91a7d..12e27cb 100644
--- a/src/main/kotlin/net/thauvin/erik/bitly/Utils.kt
+++ b/src/main/kotlin/net/thauvin/erik/bitly/Utils.kt
@@ -59,7 +59,7 @@ open class Utils private constructor() {
          * @param endPoint The REST endpoint. (eg. `https://api-ssl.bitly.com/v4/shorten`)
          * @param params The request parameters key/value map.
          * @param method The submission [Method][Methods].
-         * @return The response (JSON) from the API.
+         * @return A [CallResponse] object.
          */
         @JvmOverloads
         fun call(
@@ -99,8 +99,7 @@ open class Utils private constructor() {
                     }.addHeader("Authorization", "Bearer $accessToken")
 
                     val result = createHttpClient().newCall(builder.build()).execute()
-                    response.body = parseBody(endPoint, result)
-                    response.resultCode = result.code
+                    return CallResponse(parseBody(endPoint, result), result.code)
                 }
             }
             return response
@@ -162,7 +161,7 @@ open class Utils private constructor() {
          * Removes http(s) scheme from string.
          */
         fun String.removeHttp(): String {
-            return this.replaceFirst(Regex("^[Hh][Tt]{2}[Pp][Ss]?://"), "")
+            return this.replaceFirst("^[Hh][Tt]{2}[Pp][Ss]?://".toRegex(), "")
         }
 
         /**