diff --git a/bbb-common-web/src/main/java/org/bigbluebutton/api/model/constraint/ContentTypeConstraint.java b/bbb-common-web/src/main/java/org/bigbluebutton/api/model/constraint/ContentTypeConstraint.java
index 5eacf925c9..7baf6cfc42 100644
--- a/bbb-common-web/src/main/java/org/bigbluebutton/api/model/constraint/ContentTypeConstraint.java
+++ b/bbb-common-web/src/main/java/org/bigbluebutton/api/model/constraint/ContentTypeConstraint.java
@@ -7,11 +7,11 @@ import javax.validation.Payload;
 import java.lang.annotation.Retention;
 import java.lang.annotation.Target;
 
-import static java.lang.annotation.ElementType.FIELD;
+import static java.lang.annotation.ElementType.TYPE;
 import static java.lang.annotation.RetentionPolicy.RUNTIME;
 
 @Constraint(validatedBy = ContentTypeValidator.class)
-@Target(FIELD)
+@Target(TYPE)
 @Retention(RUNTIME)
 public @interface ContentTypeConstraint {
 
diff --git a/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/CreateMeeting.java b/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/CreateMeeting.java
index fe027dc9c8..49a50c78d9 100755
--- a/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/CreateMeeting.java
+++ b/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/CreateMeeting.java
@@ -1,12 +1,16 @@
 package org.bigbluebutton.api.model.request;
 
+import jakarta.ws.rs.core.MediaType;
 import org.bigbluebutton.api.model.constraint.*;
 import org.bigbluebutton.api.model.shared.Checksum;
 
+import javax.servlet.http.HttpServletRequest;
 import javax.validation.constraints.NotEmpty;
 import javax.validation.constraints.NotNull;
 import java.util.Map;
+import java.util.Set;
 
+@ContentTypeConstraint
 public class CreateMeeting extends RequestWithChecksum<CreateMeeting.Params> {
 
     public enum Params implements RequestParameters {
@@ -51,8 +55,8 @@ public class CreateMeeting extends RequestWithChecksum<CreateMeeting.Params> {
     private String recordString;
     private Boolean record;
 
-    public CreateMeeting(Checksum checksum) {
-        super(checksum);
+    public CreateMeeting(Checksum checksum, HttpServletRequest servletRequest) {
+        super(checksum, servletRequest);
     }
 
     public String getName() {
@@ -138,4 +142,9 @@ public class CreateMeeting extends RequestWithChecksum<CreateMeeting.Params> {
         isBreakoutRoom = Boolean.parseBoolean(isBreakoutRoomString);
         record = Boolean.parseBoolean(recordString);
     }
+
+    @Override
+    public Set<String> getSupportedContentTypes() {
+        return Set.of(MediaType.APPLICATION_FORM_URLENCODED, MediaType.MULTIPART_FORM_DATA, MediaType.APPLICATION_XML);
+    }
 }
diff --git a/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/EndMeeting.java b/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/EndMeeting.java
index 55feff00df..865dd363b0 100755
--- a/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/EndMeeting.java
+++ b/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/EndMeeting.java
@@ -1,16 +1,16 @@
 package org.bigbluebutton.api.model.request;
 
-import org.bigbluebutton.api.model.constraint.MeetingExistsConstraint;
-import org.bigbluebutton.api.model.constraint.MeetingIDConstraint;
-import org.bigbluebutton.api.model.constraint.NotEmpty;
-import org.bigbluebutton.api.model.constraint.PasswordConstraint;
+import org.bigbluebutton.api.model.constraint.*;
 import org.bigbluebutton.api.model.shared.Checksum;
 import org.bigbluebutton.api.model.shared.ModeratorPassword;
 import org.bigbluebutton.api.model.shared.Password;
 
+import javax.servlet.http.HttpServletRequest;
 import javax.validation.Valid;
 import java.util.Map;
+import java.util.Set;
 
+@ContentTypeConstraint
 public class EndMeeting extends RequestWithChecksum<EndMeeting.Params> {
 
     public enum Params implements RequestParameters {
@@ -34,8 +34,8 @@ public class EndMeeting extends RequestWithChecksum<EndMeeting.Params> {
     @Valid
     private Password moderatorPassword;
 
-    public EndMeeting(Checksum checksum) {
-        super(checksum);
+    public EndMeeting(Checksum checksum, HttpServletRequest servletRequest) {
+        super(checksum, servletRequest);
         moderatorPassword = new ModeratorPassword();
     }
 
diff --git a/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/Enter.java b/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/Enter.java
index 11981e1014..065cfb1803 100755
--- a/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/Enter.java
+++ b/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/Enter.java
@@ -1,11 +1,16 @@
 package org.bigbluebutton.api.model.request;
 
+import jakarta.ws.rs.core.MediaType;
 import org.bigbluebutton.api.model.constraint.*;
 import org.bigbluebutton.api.service.SessionService;
+
+import javax.servlet.http.HttpServletRequest;
 import javax.validation.constraints.NotNull;
 import java.util.Map;
+import java.util.Set;
 
-public class Enter implements Request<Enter.Params> {
+@ContentTypeConstraint
+public class Enter extends RequestWithSession<Enter.Params>{
 
     public enum Params implements RequestParameters {
         SESSION_TOKEN("sessionToken");
@@ -27,7 +32,8 @@ public class Enter implements Request<Enter.Params> {
 
     private SessionService sessionService;
 
-    public Enter() {
+    public Enter(HttpServletRequest servletRequest) {
+        super(servletRequest);
         sessionService = new SessionService();
     }
 
diff --git a/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/GetJoinUrl.java b/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/GetJoinUrl.java
index 96a4120e42..8c30160b20 100755
--- a/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/GetJoinUrl.java
+++ b/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/GetJoinUrl.java
@@ -2,9 +2,10 @@ package org.bigbluebutton.api.model.request;
 
 import org.bigbluebutton.api.model.constraint.UserSessionConstraint;
 
+import javax.servlet.http.HttpServletRequest;
 import java.util.Map;
 
-public class GetJoinUrl implements Request<GetJoinUrl.Params> {
+public class GetJoinUrl extends RequestWithSession<GetJoinUrl.Params> {
 
     public enum Params implements RequestParameters {
         SESSION_TOKEN("sessionToken");
@@ -19,6 +20,10 @@ public class GetJoinUrl implements Request<GetJoinUrl.Params> {
     @UserSessionConstraint
     private String sessionToken;
 
+    public GetJoinUrl(HttpServletRequest servletRequest) {
+        super(servletRequest);
+    }
+
     public String getSessionToken() {
         return sessionToken;
     }
diff --git a/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/GuestWait.java b/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/GuestWait.java
index 2e2e3aeecc..e882d9b1a3 100755
--- a/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/GuestWait.java
+++ b/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/GuestWait.java
@@ -1,14 +1,17 @@
 package org.bigbluebutton.api.model.request;
 
+import org.bigbluebutton.api.model.constraint.ContentTypeConstraint;
 import org.bigbluebutton.api.model.constraint.MeetingEndedConstraint;
 import org.bigbluebutton.api.model.constraint.MeetingExistsConstraint;
 import org.bigbluebutton.api.model.constraint.UserSessionConstraint;
 import org.bigbluebutton.api.service.SessionService;
 
+import javax.servlet.http.HttpServletRequest;
 import javax.validation.constraints.NotNull;
 import java.util.Map;
 
-public class GuestWait implements Request<GuestWait.Params> {
+@ContentTypeConstraint
+public class GuestWait extends RequestWithSession<GuestWait.Params>{
 
     public enum Params implements RequestParameters {
         SESSION_TOKEN("sessionToken");
@@ -29,7 +32,8 @@ public class GuestWait implements Request<GuestWait.Params> {
 
     private SessionService sessionService;
 
-    public GuestWait() {
+    public GuestWait(HttpServletRequest servletRequest) {
+        super(servletRequest);
         sessionService = new SessionService();
     }
 
diff --git a/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/InsertDocument.java b/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/InsertDocument.java
index 3d77fe8cbf..1b5a69a0d6 100644
--- a/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/InsertDocument.java
+++ b/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/InsertDocument.java
@@ -1,11 +1,14 @@
 package org.bigbluebutton.api.model.request;
 
+import jakarta.ws.rs.core.MediaType;
 import org.bigbluebutton.api.model.constraint.*;
 import org.bigbluebutton.api.model.shared.Checksum;
 
+import javax.servlet.http.HttpServletRequest;
 import java.util.Map;
+import java.util.Set;
 
-
+@ContentTypeConstraint
 public class InsertDocument extends RequestWithChecksum<InsertDocument.Params> {
 
     public enum Params implements RequestParameters {
@@ -21,8 +24,8 @@ public class InsertDocument extends RequestWithChecksum<InsertDocument.Params> {
     @MeetingIDConstraint
     private String meetingID;
 
-    public InsertDocument(Checksum checksum) {
-        super(checksum);
+    public InsertDocument(Checksum checksum, HttpServletRequest servletRequest) {
+        super(checksum, servletRequest);
     }
 
     public String getMeetingID() {
@@ -37,4 +40,9 @@ public class InsertDocument extends RequestWithChecksum<InsertDocument.Params> {
     public void populateFromParamsMap(Map<String, String[]> params) {
         if(params.containsKey(Params.MEETING_ID.getValue())) setMeetingID(params.get(Params.MEETING_ID.getValue())[0]);
     }
+
+    @Override
+    public Set<String> getSupportedContentTypes() {
+        return Set.of(MediaType.APPLICATION_XML);
+    }
 }
diff --git a/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/JoinMeeting.java b/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/JoinMeeting.java
index b629d9c8bb..00c80b225a 100755
--- a/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/JoinMeeting.java
+++ b/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/JoinMeeting.java
@@ -5,9 +5,11 @@ import org.bigbluebutton.api.model.shared.Checksum;
 import org.bigbluebutton.api.model.shared.JoinPassword;
 import org.bigbluebutton.api.model.shared.Password;
 
+import javax.servlet.http.HttpServletRequest;
 import javax.validation.Valid;
 import java.util.Map;
 
+@ContentTypeConstraint
 public class JoinMeeting extends RequestWithChecksum<JoinMeeting.Params> {
 
     public enum Params implements RequestParameters {
@@ -57,8 +59,8 @@ public class JoinMeeting extends RequestWithChecksum<JoinMeeting.Params> {
     @Valid
     private Password joinPassword;
 
-    public JoinMeeting(Checksum checksum) {
-        super(checksum);
+    public JoinMeeting(Checksum checksum, HttpServletRequest servletRequest) {
+        super(checksum, servletRequest);
         joinPassword = new JoinPassword();
     }
 
diff --git a/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/LearningDashboard.java b/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/LearningDashboard.java
index a99556b373..263e729b67 100755
--- a/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/LearningDashboard.java
+++ b/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/LearningDashboard.java
@@ -2,10 +2,11 @@ package org.bigbluebutton.api.model.request;
 
 import org.bigbluebutton.api.model.constraint.UserSessionConstraint;
 
+import javax.servlet.http.HttpServletRequest;
 import javax.validation.constraints.NotNull;
 import java.util.Map;
 
-public class LearningDashboard implements Request<LearningDashboard.Params> {
+public class LearningDashboard extends RequestWithSession<LearningDashboard.Params> {
 
     public enum Params implements RequestParameters {
         SESSION_TOKEN("sessionToken");
@@ -20,6 +21,10 @@ public class LearningDashboard implements Request<LearningDashboard.Params> {
     @UserSessionConstraint
     private String sessionToken;
 
+    public LearningDashboard(HttpServletRequest servletRequest) {
+        super(servletRequest);
+    }
+
     public String getSessionToken() {
         return sessionToken;
     }
diff --git a/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/MeetingInfo.java b/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/MeetingInfo.java
index b6f28fc1f4..c40052f7a0 100755
--- a/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/MeetingInfo.java
+++ b/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/MeetingInfo.java
@@ -1,11 +1,14 @@
 package org.bigbluebutton.api.model.request;
 
+import org.bigbluebutton.api.model.constraint.ContentTypeConstraint;
 import org.bigbluebutton.api.model.constraint.MeetingExistsConstraint;
 import org.bigbluebutton.api.model.constraint.MeetingIDConstraint;
 import org.bigbluebutton.api.model.shared.Checksum;
 
+import javax.servlet.http.HttpServletRequest;
 import java.util.Map;
 
+@ContentTypeConstraint
 public class MeetingInfo extends RequestWithChecksum<MeetingInfo.Params> {
 
     public enum Params implements RequestParameters {
@@ -22,8 +25,8 @@ public class MeetingInfo extends RequestWithChecksum<MeetingInfo.Params> {
     @MeetingExistsConstraint
     private String meetingID;
 
-    public MeetingInfo(Checksum checksum) {
-        super(checksum);
+    public MeetingInfo(Checksum checksum, HttpServletRequest servletRequest) {
+        super(checksum, servletRequest);
     }
 
     public String getMeetingID() {
diff --git a/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/MeetingRunning.java b/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/MeetingRunning.java
index 5f146cdcfb..8782714b0b 100755
--- a/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/MeetingRunning.java
+++ b/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/MeetingRunning.java
@@ -1,10 +1,13 @@
 package org.bigbluebutton.api.model.request;
 
+import org.bigbluebutton.api.model.constraint.ContentTypeConstraint;
 import org.bigbluebutton.api.model.constraint.MeetingIDConstraint;
 import org.bigbluebutton.api.model.shared.Checksum;
 
+import javax.servlet.http.HttpServletRequest;
 import java.util.Map;
 
+@ContentTypeConstraint
 public class MeetingRunning extends RequestWithChecksum<MeetingRunning.Params> {
 
     public enum Params implements RequestParameters {
@@ -20,8 +23,8 @@ public class MeetingRunning extends RequestWithChecksum<MeetingRunning.Params> {
     @MeetingIDConstraint
     private String meetingID;
 
-    public MeetingRunning(Checksum checksum) {
-        super(checksum);
+    public MeetingRunning(Checksum checksum, HttpServletRequest servletRequest) {
+        super(checksum, servletRequest);
     }
 
     public String getMeetingID() {
diff --git a/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/Request.java b/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/Request.java
index ed90a90ecb..9e3cd5c76e 100755
--- a/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/Request.java
+++ b/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/Request.java
@@ -1,9 +1,13 @@
 package org.bigbluebutton.api.model.request;
 
+import javax.servlet.http.HttpServletRequest;
 import java.util.Map;
+import java.util.Set;
 
 public interface Request<P extends Enum<P> & RequestParameters> {
 
     void populateFromParamsMap(Map<String, String[]> params);
     void convertParamsFromString();
+    Set<String> getSupportedContentTypes();
+    HttpServletRequest getServletRequest();
 }
diff --git a/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/RequestWithChecksum.java b/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/RequestWithChecksum.java
index fa47bc7c0a..f86d656136 100755
--- a/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/RequestWithChecksum.java
+++ b/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/RequestWithChecksum.java
@@ -1,17 +1,23 @@
 package org.bigbluebutton.api.model.request;
 
+import jakarta.ws.rs.core.MediaType;
 import org.bigbluebutton.api.model.shared.Checksum;
 
+import javax.servlet.http.HttpServletRequest;
 import javax.validation.Valid;
 import java.util.Map;
+import java.util.Set;
 
 public abstract class RequestWithChecksum<P extends Enum<P> & RequestParameters> implements Request<P> {
 
     @Valid
     protected Checksum checksum;
 
-    protected RequestWithChecksum(Checksum checksum) {
+    protected HttpServletRequest servletRequest;
+
+    protected RequestWithChecksum(Checksum checksum, HttpServletRequest servletRequest) {
         this.checksum = checksum;
+        this.servletRequest = servletRequest;
     }
 
     public Checksum getChecksum() {
@@ -27,4 +33,14 @@ public abstract class RequestWithChecksum<P extends Enum<P> & RequestParameters>
     public void convertParamsFromString() {
 
     }
+
+    @Override
+    public Set<String> getSupportedContentTypes() {
+        return Set.of(MediaType.APPLICATION_FORM_URLENCODED, MediaType.MULTIPART_FORM_DATA);
+    }
+
+    @Override
+    public HttpServletRequest getServletRequest() {
+        return servletRequest;
+    }
 }
diff --git a/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/RequestWithSession.java b/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/RequestWithSession.java
new file mode 100644
index 0000000000..7dc5c6445b
--- /dev/null
+++ b/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/RequestWithSession.java
@@ -0,0 +1,25 @@
+package org.bigbluebutton.api.model.request;
+
+import jakarta.ws.rs.core.MediaType;
+
+import javax.servlet.http.HttpServletRequest;
+import java.util.Set;
+
+public abstract class RequestWithSession<P extends Enum<P> & RequestParameters> implements Request<P> {
+
+    protected HttpServletRequest servletRequest;
+
+    protected RequestWithSession(HttpServletRequest servletRequest) {
+        this.servletRequest = servletRequest;
+    }
+
+    @Override
+    public Set<String> getSupportedContentTypes() {
+        return Set.of(MediaType.APPLICATION_FORM_URLENCODED, MediaType.MULTIPART_FORM_DATA);
+    }
+
+    @Override
+    public HttpServletRequest getServletRequest() {
+        return servletRequest;
+    }
+}
diff --git a/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/SignOut.java b/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/SignOut.java
index 3a0ff66122..58e3994051 100755
--- a/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/SignOut.java
+++ b/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/SignOut.java
@@ -2,10 +2,11 @@ package org.bigbluebutton.api.model.request;
 
 import org.bigbluebutton.api.model.constraint.UserSessionConstraint;
 
+import javax.servlet.http.HttpServletRequest;
 import javax.validation.constraints.NotNull;
 import java.util.Map;
 
-public class SignOut implements Request<SignOut.Params> {
+public class SignOut extends RequestWithSession<SignOut.Params> {
 
     public enum Params implements RequestParameters {
         SESSION_TOKEN("sessionToken");
@@ -20,6 +21,10 @@ public class SignOut implements Request<SignOut.Params> {
     @UserSessionConstraint
     private String sessionToken;
 
+    public SignOut(HttpServletRequest servletRequest) {
+        super(servletRequest);
+    }
+
     public String getSessionToken() {
         return sessionToken;
     }
diff --git a/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/SimpleRequest.java b/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/SimpleRequest.java
index 297dbdd6d4..a7ae3be80c 100755
--- a/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/SimpleRequest.java
+++ b/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/SimpleRequest.java
@@ -1,9 +1,12 @@
 package org.bigbluebutton.api.model.request;
 
+import org.bigbluebutton.api.model.constraint.ContentTypeConstraint;
 import org.bigbluebutton.api.model.shared.Checksum;
 
+import javax.servlet.http.HttpServletRequest;
 import java.util.Map;
 
+@ContentTypeConstraint
 public class SimpleRequest extends RequestWithChecksum<SimpleRequest.Params> {
 
     public enum Params implements RequestParameters {
@@ -16,8 +19,8 @@ public class SimpleRequest extends RequestWithChecksum<SimpleRequest.Params> {
         public String getValue() { return value; }
     }
 
-    public SimpleRequest(Checksum checksum) {
-        super(checksum);
+    public SimpleRequest(Checksum checksum, HttpServletRequest servletRequest) {
+        super(checksum, servletRequest);
     }
 
     @Override
diff --git a/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/Stuns.java b/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/Stuns.java
index 0050906634..423910729d 100755
--- a/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/Stuns.java
+++ b/bbb-common-web/src/main/java/org/bigbluebutton/api/model/request/Stuns.java
@@ -3,9 +3,11 @@ package org.bigbluebutton.api.model.request;
 import org.bigbluebutton.api.model.constraint.*;
 import org.bigbluebutton.api.service.SessionService;
 
+import javax.servlet.http.HttpServletRequest;
 import java.util.Map;
 
-public class Stuns implements Request<Stuns.Params> {
+@ContentTypeConstraint
+public class Stuns extends RequestWithSession<Stuns.Params> {
 
     public enum Params implements RequestParameters {
         SESSION_TOKEN("sessionToken");
@@ -26,7 +28,10 @@ public class Stuns implements Request<Stuns.Params> {
 
     private SessionService sessionService;
 
-    public Stuns() { sessionService = new SessionService(); }
+    public Stuns(HttpServletRequest servletRequest) {
+        super(servletRequest);
+        sessionService = new SessionService();
+    }
 
     public String getSessionToken() {
         return sessionToken;
diff --git a/bbb-common-web/src/main/java/org/bigbluebutton/api/model/shared/Checksum.java b/bbb-common-web/src/main/java/org/bigbluebutton/api/model/shared/Checksum.java
index 2ceccd53ef..5ceb991c60 100755
--- a/bbb-common-web/src/main/java/org/bigbluebutton/api/model/shared/Checksum.java
+++ b/bbb-common-web/src/main/java/org/bigbluebutton/api/model/shared/Checksum.java
@@ -16,13 +16,9 @@ public abstract class Checksum {
 
     protected String queryStringWithoutChecksum;
 
-    @ContentTypeConstraint
-    protected HttpServletRequest request;
-
-    public Checksum(String apiCall, String checksum, HttpServletRequest request) {
+    public Checksum(String apiCall, String checksum) {
         this.apiCall = ParamsUtil.sanitizeString(apiCall);
         this.checksum = ParamsUtil.sanitizeString(checksum);
-        this.request = request;
     }
 
     public String getApiCall() {
@@ -37,14 +33,10 @@ public abstract class Checksum {
         return checksum;
     }
 
-    public HttpServletRequest getRequest() { return request; }
-
     public void setChecksum(String checksum) {
         this.checksum = checksum;
     }
 
-    public void setRequest(HttpServletRequest request) { this.request = request; }
-
     public String getQueryStringWithoutChecksum() {
         return queryStringWithoutChecksum;
     }
diff --git a/bbb-common-web/src/main/java/org/bigbluebutton/api/model/shared/GetChecksum.java b/bbb-common-web/src/main/java/org/bigbluebutton/api/model/shared/GetChecksum.java
index c1df483052..a99df6b1cb 100755
--- a/bbb-common-web/src/main/java/org/bigbluebutton/api/model/shared/GetChecksum.java
+++ b/bbb-common-web/src/main/java/org/bigbluebutton/api/model/shared/GetChecksum.java
@@ -12,8 +12,8 @@ public class GetChecksum extends Checksum {
     @NotEmpty(message = "You must provide the query string")
     private String queryString;
 
-    public GetChecksum(String apiCall, String checksum, String queryString, HttpServletRequest request) {
-        super(apiCall, checksum, request);
+    public GetChecksum(String apiCall, String checksum, String queryString) {
+        super(apiCall, checksum);
         this.queryString = ParamsUtil.sanitizeString(queryString);
         removeChecksumFromQueryString();
     }
diff --git a/bbb-common-web/src/main/java/org/bigbluebutton/api/model/validator/ContentTypeValidator.java b/bbb-common-web/src/main/java/org/bigbluebutton/api/model/validator/ContentTypeValidator.java
index 7992c12258..6ce868be88 100644
--- a/bbb-common-web/src/main/java/org/bigbluebutton/api/model/validator/ContentTypeValidator.java
+++ b/bbb-common-web/src/main/java/org/bigbluebutton/api/model/validator/ContentTypeValidator.java
@@ -3,6 +3,7 @@ package org.bigbluebutton.api.model.validator;
 import jakarta.ws.rs.core.MediaType;
 import org.apache.commons.compress.utils.Sets;
 import org.bigbluebutton.api.model.constraint.ContentTypeConstraint;
+import org.bigbluebutton.api.model.request.Request;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -11,7 +12,7 @@ import javax.validation.ConstraintValidator;
 import javax.validation.ConstraintValidatorContext;
 import java.util.Set;
 
-public class ContentTypeValidator implements ConstraintValidator<ContentTypeConstraint, HttpServletRequest> {
+public class ContentTypeValidator implements ConstraintValidator<ContentTypeConstraint, Request> {
 
     private static final Logger log = LoggerFactory.getLogger(ContentTypeValidator.class);
 
@@ -25,17 +26,18 @@ public class ContentTypeValidator implements ConstraintValidator<ContentTypeCons
     public void initialize(ContentTypeConstraint constraintAnnotation) {}
 
     @Override
-    public boolean isValid(HttpServletRequest request, ConstraintValidatorContext context) {
-        String requestMethod = request.getMethod();
-        String contentType = request.getContentType();
-        String contentTypeHeader = request.getHeader("Content-Type");
+    public boolean isValid(Request request, ConstraintValidatorContext context) {
+        HttpServletRequest servletRequest = request.getServletRequest();
+        String requestMethod = servletRequest.getMethod();
+        String contentType = servletRequest.getContentType();
+        String contentTypeHeader = servletRequest.getHeader("Content-Type");
         log.info("Validating {} request with content type {}", requestMethod, contentType);
 
-        boolean requestBodyPresent = request.getContentLength() > 0;
+        boolean requestBodyPresent = servletRequest.getContentLength() > 0;
         if (requestBodyPresent) {
             if (contentType == null || contentTypeHeader == null) return false;
             else {
-                return SUPPORTED_CONTENT_TYPES.contains(contentType);
+                return request.getSupportedContentTypes().contains(contentType);
             }
         }
 
diff --git a/bbb-common-web/src/main/java/org/bigbluebutton/api/service/ValidationService.java b/bbb-common-web/src/main/java/org/bigbluebutton/api/service/ValidationService.java
index 070e7b6863..7882c6aaa4 100755
--- a/bbb-common-web/src/main/java/org/bigbluebutton/api/service/ValidationService.java
+++ b/bbb-common-web/src/main/java/org/bigbluebutton/api/service/ValidationService.java
@@ -119,47 +119,47 @@ public class ValidationService {
 
         switch(apiCall.requestType) {
             case GET:
-                checksum = new GetChecksum(apiCall.getName(), checksumValue, queryString, servletRequest);
+                checksum = new GetChecksum(apiCall.getName(), checksumValue, queryString);
                 switch(apiCall) {
                     case CREATE:
-                        request = new CreateMeeting(checksum);
+                        request = new CreateMeeting(checksum, servletRequest);
                         break;
                     case JOIN:
-                        request = new JoinMeeting(checksum);
+                        request = new JoinMeeting(checksum, servletRequest);
                         break;
                     case MEETING_RUNNING:
-                        request = new MeetingRunning(checksum);
+                        request = new MeetingRunning(checksum, servletRequest);
                         break;
                     case END:
-                        request = new EndMeeting(checksum);
+                        request = new EndMeeting(checksum, servletRequest);
                         break;
                     case GET_MEETING_INFO:
-                        request = new MeetingInfo(checksum);
+                        request = new MeetingInfo(checksum, servletRequest);
                         break;
                     case GET_MEETINGS:
                     case GET_SESSIONS:
-                        request = new SimpleRequest(checksum);
+                        request = new SimpleRequest(checksum, servletRequest);
                         break;
                     case INSERT_DOCUMENT:
-                        request = new InsertDocument(checksum);
+                        request = new InsertDocument(checksum, servletRequest);
                         break;
                     case GUEST_WAIT:
-                        request = new GuestWait();
+                        request = new GuestWait(servletRequest);
                         break;
                     case ENTER:
-                        request = new Enter();
+                        request = new Enter(servletRequest);
                         break;
                     case STUNS:
-                        request = new Stuns();
+                        request = new Stuns(servletRequest);
                         break;
                     case SIGN_OUT:
-                        request = new SignOut();
+                        request = new SignOut(servletRequest);
                         break;
                     case LEARNING_DASHBOARD:
-                        request = new LearningDashboard();
+                        request = new LearningDashboard(servletRequest);
                         break;
                     case GET_JOIN_URL:
-                        request = new GetJoinUrl();
+                        request = new GetJoinUrl(servletRequest);
                         break;
                 }
         }