diff --git a/README.md b/README.md
index 3552ad0..93a8948 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,10 @@ bitly.bitlinks().expand("http://bit.ly/380ojFd")
 bitly.bitlinks().clicks("http://bit.ly/380ojFd")  
 
 // Create a bitlink
-bitly.bitlinks().create(title = "Erik's Weblog", long_url = "http://erik.thauvin.net/blog/")
+bitly.bitlinks().create(title = "Erik's Weblog", long_url = "http://erik.thauvin.net/blog/")               
+
+// Update a bitlink
+bitly.bitlinks().update("http://bit.ly/380ojFd", title="Erik's Weblog", tags = arrayOf("blog", "weblog"))
 ```
 
  - View [Kotlin](https://github.com/ethauvin/bitly-shorten/blob/master/examples/src/main/kotlin/com/example/BitlyExample.kt) or [Java](https://github.com/ethauvin/bitly-shorten/blob/master/examples/src/main/java/com/example/BitlySample.java) Examples.
diff --git a/docs/alltypes/index.md b/docs/alltypes/index.md
index 6abd5bc..76ea730 100644
--- a/docs/alltypes/index.md
+++ b/docs/alltypes/index.md
@@ -20,6 +20,13 @@ Provides functions to create and manage [Bitlinks](https://dev.bitly.com/v4/#tag
 Provides access to the [Bitly API v4](https://dev.bitly.com/v4).
 
 
+|
+
+##### [net.thauvin.erik.bitly.CallResponse](../net.thauvin.erik.bitly/-call-response/index.md)
+
+Provides a data class to hold the JSON response.
+
+
 |
 
 ##### [net.thauvin.erik.bitly.Constants](../net.thauvin.erik.bitly/-constants/index.md)
diff --git a/docs/net.thauvin.erik.bitly/-bitlinks/clicks.md b/docs/net.thauvin.erik.bitly/-bitlinks/clicks.md
index d4fc518..515e559 100644
--- a/docs/net.thauvin.erik.bitly/-bitlinks/clicks.md
+++ b/docs/net.thauvin.erik.bitly/-bitlinks/clicks.md
@@ -10,11 +10,11 @@ See the [Bitly API](https://dev.bitly.com/v4/#operation/getClicksSummaryForBitli
 
 ### Parameters
 
-`bitlink` - The bitlink.
+`bitlink` - A Bitlink made of the domain and hash.
 
-`unit` - A unit of time.
+`unit` - A [unit of time](../-units/index.md).
 
-`units` - An integer representing the time units to query data for. pass -1 to return all units available.
+`units` - An integer representing the time units to query data for. Pass -1 to return all units available.
 
 `size` - The quantity of items to be be returned.
 
diff --git a/docs/net.thauvin.erik.bitly/-bitlinks/index.md b/docs/net.thauvin.erik.bitly/-bitlinks/index.md
index 4e394fe..30dcc5d 100644
--- a/docs/net.thauvin.erik.bitly/-bitlinks/index.md
+++ b/docs/net.thauvin.erik.bitly/-bitlinks/index.md
@@ -22,3 +22,4 @@ See the [Bitly API](https://dev.bitly.com/v4/#tag/Bitlinks) for more information
 | [create](create.md) | Converts a long url to a Bitlink and sets additional parameters.`fun create(domain: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)` = Constants.EMPTY, title: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)` = Constants.EMPTY, group_guid: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)` = Constants.EMPTY, tags: `[`Array`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-array/index.html)`<`[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`> = emptyArray(), deeplinks: `[`Array`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-array/index.html)`<`[`Map`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-map/index.html)`<`[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`, `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`>> = emptyArray(), long_url: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`, toJson: `[`Boolean`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-boolean/index.html)` = false): `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html) |
 | [expand](expand.md) | Expands a Bitlink.`fun expand(bitlink_id: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`, toJson: `[`Boolean`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-boolean/index.html)` = false): `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html) |
 | [shorten](shorten.md) | Shortens a long URL.`fun shorten(long_url: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`, group_guid: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)` = Constants.EMPTY, domain: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)` = Constants.EMPTY, toJson: `[`Boolean`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-boolean/index.html)` = false): `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html) |
+| [update](update.md) | Updates fields in the Bitlink.`fun update(bitlink: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`, references: `[`Map`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-map/index.html)`<`[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`, `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`> = emptyMap(), archived: `[`Boolean`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-boolean/index.html)` = false, tags: `[`Array`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-array/index.html)`<`[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`> = emptyArray(), created_at: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)` = Constants.EMPTY, title: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)` = Constants.EMPTY, deeplinks: `[`Array`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-array/index.html)`<`[`Map`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-map/index.html)`<`[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`, `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`>> = emptyArray(), created_by: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)` = Constants.EMPTY, long_url: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)` = Constants.EMPTY, client_id: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)` = Constants.EMPTY, custom_bitlinks: `[`Array`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-array/index.html)`<`[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`> = emptyArray(), link: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)` = Constants.EMPTY, id: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)` = Constants.EMPTY, toJson: `[`Boolean`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-boolean/index.html)` = false): `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html) |
diff --git a/docs/net.thauvin.erik.bitly/-bitly/call.md b/docs/net.thauvin.erik.bitly/-bitly/call.md
index 5886568..ec60cbd 100644
--- a/docs/net.thauvin.erik.bitly/-bitly/call.md
+++ b/docs/net.thauvin.erik.bitly/-bitly/call.md
@@ -2,7 +2,7 @@
 
 # call
 
-`@JvmOverloads fun call(endPoint: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`, params: `[`Map`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-map/index.html)`<`[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`, `[`Any`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-any/index.html)`> = emptyMap(), method: `[`Methods`](../-methods/index.md)` = Methods.POST): `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html) [(source)](https://github.com/ethauvin/bitly-shorten/tree/master/src/main/kotlin/net/thauvin/erik/bitly/Bitly.kt#L117)
+`@JvmOverloads fun call(endPoint: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`, params: `[`Map`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-map/index.html)`<`[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`, `[`Any`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-any/index.html)`> = emptyMap(), method: `[`Methods`](../-methods/index.md)` = Methods.POST): `[`CallResponse`](../-call-response/index.md) [(source)](https://github.com/ethauvin/bitly-shorten/tree/master/src/main/kotlin/net/thauvin/erik/bitly/Bitly.kt#L117)
 
 Executes an API call.
 
diff --git a/docs/net.thauvin.erik.bitly/-bitly/index.md b/docs/net.thauvin.erik.bitly/-bitly/index.md
index 51f6d98..6f3d1fb 100644
--- a/docs/net.thauvin.erik.bitly/-bitly/index.md
+++ b/docs/net.thauvin.erik.bitly/-bitly/index.md
@@ -23,4 +23,4 @@ Provides access to the [Bitly API v4](https://dev.bitly.com/v4).
 | Name | Summary |
 |---|---|
 | [bitlinks](bitlinks.md) | Returns a new [Bitlinks](../-bitlinks/index.md) instance.`fun bitlinks(): `[`Bitlinks`](../-bitlinks/index.md) |
-| [call](call.md) | Executes an API call.`fun call(endPoint: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`, params: `[`Map`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-map/index.html)`<`[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`, `[`Any`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-any/index.html)`> = emptyMap(), method: `[`Methods`](../-methods/index.md)` = Methods.POST): `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html) |
+| [call](call.md) | Executes an API call.`fun call(endPoint: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`, params: `[`Map`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-map/index.html)`<`[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`, `[`Any`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-any/index.html)`> = emptyMap(), method: `[`Methods`](../-methods/index.md)` = Methods.POST): `[`CallResponse`](../-call-response/index.md) |
diff --git a/docs/net.thauvin.erik.bitly/-constants/-a-p-i_-b-a-s-e_-u-r-l.md b/docs/net.thauvin.erik.bitly/-constants/-a-p-i_-b-a-s-e_-u-r-l.md
index beb111f..c24758f 100644
--- a/docs/net.thauvin.erik.bitly/-constants/-a-p-i_-b-a-s-e_-u-r-l.md
+++ b/docs/net.thauvin.erik.bitly/-constants/-a-p-i_-b-a-s-e_-u-r-l.md
@@ -2,7 +2,7 @@
 
 # API_BASE_URL
 
-`const val API_BASE_URL: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html) [(source)](https://github.com/ethauvin/bitly-shorten/tree/master/src/main/kotlin/net/thauvin/erik/bitly/Constants.kt#L42)
+`const val API_BASE_URL: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html) [(source)](https://github.com/ethauvin/bitly-shorten/tree/master/src/main/kotlin/net/thauvin/erik/bitly/Constants.kt#L43)
 
 The Bitly API base URL.
 
diff --git a/docs/net.thauvin.erik.bitly/-constants/-e-m-p-t-y.md b/docs/net.thauvin.erik.bitly/-constants/-e-m-p-t-y.md
index d48cafe..8ffe3dd 100644
--- a/docs/net.thauvin.erik.bitly/-constants/-e-m-p-t-y.md
+++ b/docs/net.thauvin.erik.bitly/-constants/-e-m-p-t-y.md
@@ -2,7 +2,7 @@
 
 # EMPTY
 
-`const val EMPTY: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html) [(source)](https://github.com/ethauvin/bitly-shorten/tree/master/src/main/kotlin/net/thauvin/erik/bitly/Constants.kt#L51)
+`const val EMPTY: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html) [(source)](https://github.com/ethauvin/bitly-shorten/tree/master/src/main/kotlin/net/thauvin/erik/bitly/Constants.kt#L53)
 
 Empty String.
 
diff --git a/docs/net.thauvin.erik.bitly/-constants/-e-m-p-t-y_-j-s-o-n.md b/docs/net.thauvin.erik.bitly/-constants/-e-m-p-t-y_-j-s-o-n.md
index 1a701aa..839f6dd 100644
--- a/docs/net.thauvin.erik.bitly/-constants/-e-m-p-t-y_-j-s-o-n.md
+++ b/docs/net.thauvin.erik.bitly/-constants/-e-m-p-t-y_-j-s-o-n.md
@@ -2,7 +2,7 @@
 
 # EMPTY_JSON
 
-`const val EMPTY_JSON: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html) [(source)](https://github.com/ethauvin/bitly-shorten/tree/master/src/main/kotlin/net/thauvin/erik/bitly/Constants.kt#L54)
+`const val EMPTY_JSON: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html) [(source)](https://github.com/ethauvin/bitly-shorten/tree/master/src/main/kotlin/net/thauvin/erik/bitly/Constants.kt#L56)
 
 Empty JSON Object.
 
diff --git a/docs/net.thauvin.erik.bitly/-constants/-e-n-v_-a-c-c-e-s-s_-t-o-k-e-n.md b/docs/net.thauvin.erik.bitly/-constants/-e-n-v_-a-c-c-e-s-s_-t-o-k-e-n.md
index c3ff8b3..8d2a60e 100644
--- a/docs/net.thauvin.erik.bitly/-constants/-e-n-v_-a-c-c-e-s-s_-t-o-k-e-n.md
+++ b/docs/net.thauvin.erik.bitly/-constants/-e-n-v_-a-c-c-e-s-s_-t-o-k-e-n.md
@@ -2,7 +2,7 @@
 
 # ENV_ACCESS_TOKEN
 
-`const val ENV_ACCESS_TOKEN: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html) [(source)](https://github.com/ethauvin/bitly-shorten/tree/master/src/main/kotlin/net/thauvin/erik/bitly/Constants.kt#L48)
+`const val ENV_ACCESS_TOKEN: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html) [(source)](https://github.com/ethauvin/bitly-shorten/tree/master/src/main/kotlin/net/thauvin/erik/bitly/Constants.kt#L50)
 
 The API access token environment variable.
 
diff --git a/docs/net.thauvin.erik.bitly/-constants/index.md b/docs/net.thauvin.erik.bitly/-constants/index.md
index b7385f6..1380cdf 100644
--- a/docs/net.thauvin.erik.bitly/-constants/index.md
+++ b/docs/net.thauvin.erik.bitly/-constants/index.md
@@ -14,3 +14,5 @@ Provides the constants for this package.
 | [EMPTY](-e-m-p-t-y.md) | Empty String.`const val EMPTY: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html) |
 | [EMPTY_JSON](-e-m-p-t-y_-j-s-o-n.md) | Empty JSON Object.`const val EMPTY_JSON: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html) |
 | [ENV_ACCESS_TOKEN](-e-n-v_-a-c-c-e-s-s_-t-o-k-e-n.md) | The API access token environment variable.`const val ENV_ACCESS_TOKEN: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html) |
+| [FALSE](-f-a-l-s-e.md) | False`const val FALSE: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html) |
+| [TRUE](-t-r-u-e.md) | True`const val TRUE: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html) |
diff --git a/docs/net.thauvin.erik.bitly/-utils/call.md b/docs/net.thauvin.erik.bitly/-utils/call.md
index 11c1cb7..bc82ad2 100644
--- a/docs/net.thauvin.erik.bitly/-utils/call.md
+++ b/docs/net.thauvin.erik.bitly/-utils/call.md
@@ -2,7 +2,7 @@
 
 # call
 
-`@JvmOverloads fun call(accessToken: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`, endPoint: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`, params: `[`Map`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-map/index.html)`<`[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`, `[`Any`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-any/index.html)`> = emptyMap(), method: `[`Methods`](../-methods/index.md)` = Methods.POST): `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html) [(source)](https://github.com/ethauvin/bitly-shorten/tree/master/src/main/kotlin/net/thauvin/erik/bitly/Utils.kt#L65)
+`@JvmOverloads fun call(accessToken: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`, endPoint: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`, params: `[`Map`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-map/index.html)`<`[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`, `[`Any`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-any/index.html)`> = emptyMap(), method: `[`Methods`](../-methods/index.md)` = Methods.POST): `[`CallResponse`](../-call-response/index.md) [(source)](https://github.com/ethauvin/bitly-shorten/tree/master/src/main/kotlin/net/thauvin/erik/bitly/Utils.kt#L65)
 
 Executes an API call.
 
diff --git a/docs/net.thauvin.erik.bitly/-utils/index.md b/docs/net.thauvin.erik.bitly/-utils/index.md
index 635825d..8e4086f 100644
--- a/docs/net.thauvin.erik.bitly/-utils/index.md
+++ b/docs/net.thauvin.erik.bitly/-utils/index.md
@@ -16,7 +16,7 @@ Provides useful generic functions.
 
 | Name | Summary |
 |---|---|
-| [call](call.md) | Executes an API call.`fun call(accessToken: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`, endPoint: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`, params: `[`Map`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-map/index.html)`<`[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`, `[`Any`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-any/index.html)`> = emptyMap(), method: `[`Methods`](../-methods/index.md)` = Methods.POST): `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html) |
+| [call](call.md) | Executes an API call.`fun call(accessToken: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`, endPoint: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`, params: `[`Map`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-map/index.html)`<`[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`, `[`Any`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-any/index.html)`> = emptyMap(), method: `[`Methods`](../-methods/index.md)` = Methods.POST): `[`CallResponse`](../-call-response/index.md) |
 | [isValidUrl](is-valid-url.md) | Validates a URL.`fun `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`.isValidUrl(): `[`Boolean`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-boolean/index.html) |
 | [removeHttp](remove-http.md) | Removes http(s) scheme from string.`fun `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`.removeHttp(): `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html) |
 | [toEndPoint](to-end-point.md) | Builds the full API endpoint URL using the [Constants.API_BASE_URL](../-constants/-a-p-i_-b-a-s-e_-u-r-l.md).`fun `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`.toEndPoint(): `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html) |
diff --git a/docs/net.thauvin.erik.bitly/-utils/is-valid-url.md b/docs/net.thauvin.erik.bitly/-utils/is-valid-url.md
index 8e7ba41..81a81ac 100644
--- a/docs/net.thauvin.erik.bitly/-utils/is-valid-url.md
+++ b/docs/net.thauvin.erik.bitly/-utils/is-valid-url.md
@@ -2,7 +2,7 @@
 
 # isValidUrl
 
-`fun `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`.isValidUrl(): `[`Boolean`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-boolean/index.html) [(source)](https://github.com/ethauvin/bitly-shorten/tree/master/src/main/kotlin/net/thauvin/erik/bitly/Utils.kt#L148)
+`fun `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`.isValidUrl(): `[`Boolean`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-boolean/index.html) [(source)](https://github.com/ethauvin/bitly-shorten/tree/master/src/main/kotlin/net/thauvin/erik/bitly/Utils.kt#L149)
 
 Validates a URL.
 
diff --git a/docs/net.thauvin.erik.bitly/-utils/remove-http.md b/docs/net.thauvin.erik.bitly/-utils/remove-http.md
index 2b6a221..ff9aa3a 100644
--- a/docs/net.thauvin.erik.bitly/-utils/remove-http.md
+++ b/docs/net.thauvin.erik.bitly/-utils/remove-http.md
@@ -2,7 +2,7 @@
 
 # removeHttp
 
-`fun `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`.removeHttp(): `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html) [(source)](https://github.com/ethauvin/bitly-shorten/tree/master/src/main/kotlin/net/thauvin/erik/bitly/Utils.kt#L163)
+`fun `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`.removeHttp(): `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html) [(source)](https://github.com/ethauvin/bitly-shorten/tree/master/src/main/kotlin/net/thauvin/erik/bitly/Utils.kt#L164)
 
 Removes http(s) scheme from string.
 
diff --git a/docs/net.thauvin.erik.bitly/-utils/to-end-point.md b/docs/net.thauvin.erik.bitly/-utils/to-end-point.md
index c601025..8ad55b5 100644
--- a/docs/net.thauvin.erik.bitly/-utils/to-end-point.md
+++ b/docs/net.thauvin.erik.bitly/-utils/to-end-point.md
@@ -2,7 +2,7 @@
 
 # toEndPoint
 
-`fun `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`.toEndPoint(): `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html) [(source)](https://github.com/ethauvin/bitly-shorten/tree/master/src/main/kotlin/net/thauvin/erik/bitly/Utils.kt#L170)
+`fun `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`.toEndPoint(): `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html) [(source)](https://github.com/ethauvin/bitly-shorten/tree/master/src/main/kotlin/net/thauvin/erik/bitly/Utils.kt#L171)
 
 Builds the full API endpoint URL using the [Constants.API_BASE_URL](../-constants/-a-p-i_-b-a-s-e_-u-r-l.md).
 
diff --git a/docs/net.thauvin.erik.bitly/index.md b/docs/net.thauvin.erik.bitly/index.md
index 0694f0e..a1d8eaf 100644
--- a/docs/net.thauvin.erik.bitly/index.md
+++ b/docs/net.thauvin.erik.bitly/index.md
@@ -10,6 +10,7 @@ Provides the classes necessary to access the [Bitly API v4](https://dev.bitly.co
 |---|---|
 | [Bitlinks](-bitlinks/index.md) | Provides functions to create and manage [Bitlinks](https://dev.bitly.com/v4/#tag/Bitlinks).`open class Bitlinks` |
 | [Bitly](-bitly/index.md) | Provides access to the [Bitly API v4](https://dev.bitly.com/v4).`open class Bitly` |
+| [CallResponse](-call-response/index.md) | Provides a data class to hold the JSON response.`data class CallResponse` |
 | [Constants](-constants/index.md) | Provides the constants for this package.`open class Constants` |
 | [Methods](-methods/index.md) | Provides HTTP methods definitions.`enum class Methods` |
 | [Units](-units/index.md) | Provides units of time definitions.`enum class Units` |
diff --git a/src/main/kotlin/net/thauvin/erik/bitly/Bitlinks.kt b/src/main/kotlin/net/thauvin/erik/bitly/Bitlinks.kt
index 1639512..c18097a 100644
--- a/src/main/kotlin/net/thauvin/erik/bitly/Bitlinks.kt
+++ b/src/main/kotlin/net/thauvin/erik/bitly/Bitlinks.kt
@@ -235,7 +235,7 @@ open class Bitlinks(private val accessToken: String) {
         id: String = Constants.EMPTY,
         toJson: Boolean = false
     ): String {
-        var result = if (toJson) Constants.EMPTY_JSON else "false"
+        var result = if (toJson) Constants.EMPTY_JSON else Constants.FALSE
         if (bitlink.isNotBlank()) {
             val response = Utils.call(
                 accessToken, "/bitlinks/${bitlink.removeHttp()}".toEndPoint(), mutableMapOf<String, Any>().apply {
@@ -259,7 +259,7 @@ open class Bitlinks(private val accessToken: String) {
                 result = if (toJson) {
                     response.body
                 } else {
-                    "true"
+                    Constants.TRUE
                 }
             }
         }
diff --git a/src/test/kotlin/net/thauvin/erik/bitly/BitlyTest.kt b/src/test/kotlin/net/thauvin/erik/bitly/BitlyTest.kt
index c6fd8bb..6e1e87a 100644
--- a/src/test/kotlin/net/thauvin/erik/bitly/BitlyTest.kt
+++ b/src/test/kotlin/net/thauvin/erik/bitly/BitlyTest.kt
@@ -141,7 +141,7 @@ class BitlyTest {
     @Test
     fun `update bitlink`() {
         assertEquals(
-            true.toString(),
+            Constants.TRUE,
             bitly.bitlinks().update(shortUrl, title = "Erik's Weblog", tags = arrayOf("blog", "weblog"))
         )
     }