diff --git a/.java-version b/.java-version
new file mode 100644
index 00000000..62593409
--- /dev/null
+++ b/.java-version
@@ -0,0 +1 @@
+1.8
diff --git a/README.md b/README.md
index 26ad3191..3e258694 100644
--- a/README.md
+++ b/README.md
@@ -185,6 +185,7 @@ If you're not familiar with Java 8's `CompletableFuture` API, know that you can
  - [@mlr46](https://github.com/mlr46) | [:computer:](https://github.com/HubSpot/slack-client/commits?author=mlr46)
  - [@mindspin311](https://github.com/mindspin311) | [:computer:](https://github.com/HubSpot/slack-client/commits?author=mindspin311)
  - [@Ulya0302](https://github.com/Ulya0302) | [:computer:](https://github.com/HubSpot/slack-client/commits?author=Ulya0302)
+ - [@bdros](https://github.com/bdros) | [:computer:](https://github.com/HubSpot/slack-client/commits?author=bdros)
 
 ## License
 
diff --git a/slack-base/src/main/java/com/hubspot/slack/client/methods/interceptor/HasToken.java b/slack-base/src/main/java/com/hubspot/slack/client/methods/interceptor/HasToken.java
new file mode 100644
index 00000000..627d7045
--- /dev/null
+++ b/slack-base/src/main/java/com/hubspot/slack/client/methods/interceptor/HasToken.java
@@ -0,0 +1,6 @@
+package com.hubspot.slack.client.methods.interceptor;
+
+public interface HasToken {
+
+    String getToken();
+}
diff --git a/slack-base/src/main/java/com/hubspot/slack/client/methods/params/chat/AbstractChatMessageParams.java b/slack-base/src/main/java/com/hubspot/slack/client/methods/params/chat/AbstractChatMessageParams.java
index 323eb4e0..3a693fd4 100644
--- a/slack-base/src/main/java/com/hubspot/slack/client/methods/params/chat/AbstractChatMessageParams.java
+++ b/slack-base/src/main/java/com/hubspot/slack/client/methods/params/chat/AbstractChatMessageParams.java
@@ -15,6 +15,7 @@
 public abstract class AbstractChatMessageParams implements MessageParams {
   @JsonProperty("channel")
   public abstract String getChannelId();
+  public abstract String getToken();
   public abstract Optional<String> getText();
   public abstract Optional<String> getThreadTs();
   public abstract Optional<String> getUsername();
diff --git a/slack-base/src/main/java/com/hubspot/slack/client/methods/params/chat/MessageParams.java b/slack-base/src/main/java/com/hubspot/slack/client/methods/params/chat/MessageParams.java
index 159bfb72..99c915ab 100644
--- a/slack-base/src/main/java/com/hubspot/slack/client/methods/params/chat/MessageParams.java
+++ b/slack-base/src/main/java/com/hubspot/slack/client/methods/params/chat/MessageParams.java
@@ -1,5 +1,6 @@
 package com.hubspot.slack.client.methods.params.chat;
 
+import com.hubspot.slack.client.methods.interceptor.HasToken;
 import java.util.Collections;
 import java.util.List;
 import java.util.Optional;
@@ -10,7 +11,7 @@
 import com.hubspot.slack.client.models.Attachment;
 import com.hubspot.slack.client.models.blocks.Block;
 
-public interface MessageParams extends HasChannel {
+public interface MessageParams extends HasChannel, HasToken {
   Optional<String> getText();
 
   List<Attachment> getAttachments();
diff --git a/slack-base/src/test/java/com/hubspot/slack/client/methods/params/chat/MessageParamsTest.java b/slack-base/src/test/java/com/hubspot/slack/client/methods/params/chat/MessageParamsTest.java
index 2fda55a9..541bc551 100644
--- a/slack-base/src/test/java/com/hubspot/slack/client/methods/params/chat/MessageParamsTest.java
+++ b/slack-base/src/test/java/com/hubspot/slack/client/methods/params/chat/MessageParamsTest.java
@@ -12,17 +12,20 @@ public class MessageParamsTest {
   @Test
   public void itBuildsWithAttachmentsAndNoText() {
     ChatPostEphemeralMessageParams.builder()
+        .setToken("testToken")
         .setChannelId("testChannelId")
         .setUserToSendTo("testUserId")
         .addAttachments(Attachment.builder().build())
         .build();
 
     ChatPostMessageParams.builder()
+        .setToken("testToken")
         .setChannelId("testChannelId")
         .addAttachments(Attachment.builder().build())
         .build();
 
     ChatUpdateMessageParams.builder()
+        .setToken("testToken")
         .setTs("testTs")
         .setChannelId("testChannelId")
         .addAttachments(Attachment.builder().build())
@@ -32,17 +35,20 @@ public void itBuildsWithAttachmentsAndNoText() {
   @Test
   public void itBuildsWithTextAndNoAttachments() {
     ChatPostEphemeralMessageParams.builder()
+        .setToken("testToken")
         .setChannelId("testChannelId")
         .setUserToSendTo("testUserId")
         .setText("testText")
         .build();
 
     ChatPostMessageParams.builder()
+        .setToken("testToken")
         .setChannelId("testChannelId")
         .setText("testText")
         .build();
 
     ChatUpdateMessageParams.builder()
+        .setToken("testToken")
         .setTs("testTs")
         .setChannelId("testChannelId")
         .setText("testText")
@@ -55,6 +61,7 @@ public void itFailsToBuildWithoutTextOrAttachments() {
 
     try {
       ChatPostEphemeralMessageParams.builder()
+          .setToken("testToken")
           .setChannelId("testChannelId")
           .setUserToSendTo("testUserId")
           .build();
@@ -65,6 +72,7 @@ public void itFailsToBuildWithoutTextOrAttachments() {
 
     try {
       ChatPostMessageParams.builder()
+          .setToken("testToken")
           .setChannelId("testChannelId")
           .build();
       success = false;
@@ -74,6 +82,7 @@ public void itFailsToBuildWithoutTextOrAttachments() {
 
     try {
       ChatUpdateMessageParams.builder()
+          .setToken("testToken")
           .setTs("testTs")
           .setChannelId("testChannelId")
           .build();