diff --git a/owncloudApp/src/main/java/com/owncloud/android/presentation/authentication/AccountAuthenticator.java b/owncloudApp/src/main/java/com/owncloud/android/presentation/authentication/AccountAuthenticator.java
index bf32e5a6d23..c597bed732c 100644
--- a/owncloudApp/src/main/java/com/owncloud/android/presentation/authentication/AccountAuthenticator.java
+++ b/owncloudApp/src/main/java/com/owncloud/android/presentation/authentication/AccountAuthenticator.java
@@ -7,7 +7,7 @@
  * @author Juan Carlos Garrote Gascón
  *
  * Copyright (C) 2012  Bartek Przybylski
- * Copyright (C) 2022 ownCloud GmbH.
+ * Copyright (C) 2024 ownCloud GmbH.
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2,
@@ -343,6 +343,9 @@ private String refreshToken(
         String clientId = accountManager.getUserData(account, KEY_CLIENT_REGISTRATION_CLIENT_ID);
         String clientSecret = accountManager.getUserData(account, KEY_CLIENT_REGISTRATION_CLIENT_SECRET);
 
+        String clientIdForRequest = null;
+        String clientSecretForRequest = null;
+
         if (clientId == null) {
             Timber.d("Client Id not stored. Let's use the hardcoded one");
             clientId = mContext.getString(R.string.oauth2_client_id);
@@ -359,6 +362,11 @@ private String refreshToken(
             // Use token endpoint retrieved from oidc discovery
             tokenEndpoint = oidcServerConfigurationUseCaseResult.getDataOrNull().getTokenEndpoint();
 
+            if (oidcServerConfigurationUseCaseResult.getDataOrNull() != null &&
+            oidcServerConfigurationUseCaseResult.getDataOrNull().isTokenEndpointAuthMethodSupportedClientSecretPost()) {
+                clientIdForRequest = clientId;
+                clientSecretForRequest = clientSecret;
+            }
         } else {
             Timber.d("OIDC Discovery failed. Server discovery info: [ %s ]",
                     oidcServerConfigurationUseCaseResult.getThrowableOrNull().toString());
@@ -375,6 +383,8 @@ private String refreshToken(
                 tokenEndpoint,
                 clientAuth,
                 scope,
+                clientIdForRequest,
+                clientSecretForRequest,
                 refreshToken
         );
 
diff --git a/owncloudApp/src/main/java/com/owncloud/android/presentation/authentication/LoginActivity.kt b/owncloudApp/src/main/java/com/owncloud/android/presentation/authentication/LoginActivity.kt
index 0a66264e815..4720c437baa 100644
--- a/owncloudApp/src/main/java/com/owncloud/android/presentation/authentication/LoginActivity.kt
+++ b/owncloudApp/src/main/java/com/owncloud/android/presentation/authentication/LoginActivity.kt
@@ -609,9 +609,22 @@ class LoginActivity : AppCompatActivity(), SslUntrustedCertDialog.OnSslUntrusted
         }
 
         // Use oidc discovery one, or build an oauth endpoint using serverBaseUrl + Setup string.
-        val tokenEndPoint = when (val serverInfo = authenticationViewModel.serverInfo.value?.peekContent()?.getStoredData()) {
-            is ServerInfo.OIDCServer -> serverInfo.oidcServerConfiguration.tokenEndpoint
-            else -> "$serverBaseUrl${File.separator}${contextProvider.getString(R.string.oauth2_url_endpoint_access)}"
+        val tokenEndPoint: String
+
+        var clientId: String? = null
+        var clientSecret: String? = null
+
+        when (val serverInfo = authenticationViewModel.serverInfo.value?.peekContent()?.getStoredData()) {
+            is ServerInfo.OIDCServer -> {
+                tokenEndPoint = serverInfo.oidcServerConfiguration.tokenEndpoint
+                if (serverInfo.oidcServerConfiguration.isTokenEndpointAuthMethodSupportedClientSecretPost()) {
+                    clientId = clientRegistrationInfo?.clientId ?: contextProvider.getString(R.string.oauth2_client_id)
+                    clientSecret = clientRegistrationInfo?.clientSecret ?: contextProvider.getString(R.string.oauth2_client_secret)
+                }
+            }
+            else -> {
+                tokenEndPoint = "$serverBaseUrl${File.separator}${contextProvider.getString(R.string.oauth2_url_endpoint_access)}"
+            }
         }
 
         val scope = resources.getString(R.string.oauth2_openid_scope)
@@ -619,10 +632,12 @@ class LoginActivity : AppCompatActivity(), SslUntrustedCertDialog.OnSslUntrusted
         val requestToken = TokenRequest.AccessToken(
             baseUrl = serverBaseUrl,
             tokenEndpoint = tokenEndPoint,
-            authorizationCode = authorizationCode,
-            redirectUri = OAuthUtils.buildRedirectUri(applicationContext).toString(),
             clientAuth = clientAuth,
             scope = scope,
+            clientId = clientId,
+            clientSecret = clientSecret,
+            authorizationCode = authorizationCode,
+            redirectUri = OAuthUtils.buildRedirectUri(applicationContext).toString(),
             codeVerifier = authenticationViewModel.codeVerifier
         )
 
diff --git a/owncloudComLibrary/src/main/java/com/owncloud/android/lib/common/http/HttpConstants.java b/owncloudComLibrary/src/main/java/com/owncloud/android/lib/common/http/HttpConstants.java
index 48fcdcee2d7..ce889c7319a 100644
--- a/owncloudComLibrary/src/main/java/com/owncloud/android/lib/common/http/HttpConstants.java
+++ b/owncloudComLibrary/src/main/java/com/owncloud/android/lib/common/http/HttpConstants.java
@@ -1,5 +1,5 @@
 /* ownCloud Android Library is available under MIT license
- *   Copyright (C) 2020 ownCloud GmbH.
+ *   Copyright (C) 2024 ownCloud GmbH.
  *
  *   Permission is hereby granted, free of charge, to any person obtaining a copy
  *   of this software and associated documentation files (the "Software"), to deal
@@ -59,6 +59,8 @@ public class HttpConstants {
     public static final String OAUTH_HEADER_REFRESH_TOKEN = "refresh_token";
     public static final String OAUTH_HEADER_CODE_VERIFIER = "code_verifier";
     public static final String OAUTH_HEADER_SCOPE = "scope";
+    public static final String OAUTH_BODY_CLIENT_ID = "client_id";
+    public static final String OAUTH_BODY_CLIENT_SECRET = "client_secret";
 
     /***********************************************************************************************************
      ************************************************ CONTENT TYPES ********************************************
diff --git a/owncloudComLibrary/src/main/java/com/owncloud/android/lib/resources/oauth/params/TokenRequestParams.kt b/owncloudComLibrary/src/main/java/com/owncloud/android/lib/resources/oauth/params/TokenRequestParams.kt
index 6fb8919df7c..7169b75bb27 100644
--- a/owncloudComLibrary/src/main/java/com/owncloud/android/lib/resources/oauth/params/TokenRequestParams.kt
+++ b/owncloudComLibrary/src/main/java/com/owncloud/android/lib/resources/oauth/params/TokenRequestParams.kt
@@ -1,6 +1,6 @@
 /* ownCloud Android Library is available under MIT license
  *
- *   Copyright (C) 2020 ownCloud GmbH.
+ *   Copyright (C) 2024 ownCloud GmbH.
  *
  *   Permission is hereby granted, free of charge, to any person obtaining a copy
  *   of this software and associated documentation files (the "Software"), to deal
@@ -21,6 +21,7 @@
  *   CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  *   THE SOFTWARE.
  */
+
 package com.owncloud.android.lib.resources.oauth.params
 
 import com.owncloud.android.lib.common.http.HttpConstants
@@ -32,6 +33,8 @@ sealed class TokenRequestParams(
     val clientAuth: String,
     val grantType: String,
     val scope: String,
+    val clientId: String?,
+    val clientSecret: String?,
 ) {
     abstract fun toRequestBody(): RequestBody
 
@@ -40,19 +43,24 @@ sealed class TokenRequestParams(
         clientAuth: String,
         grantType: String,
         scope: String,
+        clientId: String?,
+        clientSecret: String?,
         val authorizationCode: String,
         val redirectUri: String,
         val codeVerifier: String,
-    ) : TokenRequestParams(tokenEndpoint, clientAuth, grantType, scope) {
+    ) : TokenRequestParams(tokenEndpoint, clientAuth, grantType, scope, clientId, clientSecret) {
 
         override fun toRequestBody(): RequestBody =
-            FormBody.Builder()
-                .add(HttpConstants.OAUTH_HEADER_AUTHORIZATION_CODE, authorizationCode)
-                .add(HttpConstants.OAUTH_HEADER_GRANT_TYPE, grantType)
-                .add(HttpConstants.OAUTH_HEADER_REDIRECT_URI, redirectUri)
-                .add(HttpConstants.OAUTH_HEADER_CODE_VERIFIER, codeVerifier)
-                .add(HttpConstants.OAUTH_HEADER_SCOPE, scope)
-                .build()
+            FormBody.Builder().apply {
+                add(HttpConstants.OAUTH_HEADER_AUTHORIZATION_CODE, authorizationCode)
+                add(HttpConstants.OAUTH_HEADER_GRANT_TYPE, grantType)
+                add(HttpConstants.OAUTH_HEADER_REDIRECT_URI, redirectUri)
+                add(HttpConstants.OAUTH_HEADER_CODE_VERIFIER, codeVerifier)
+                add(HttpConstants.OAUTH_HEADER_SCOPE, scope)
+                if (clientId != null) add(HttpConstants.OAUTH_BODY_CLIENT_ID, clientId)
+                if (clientSecret != null) add(HttpConstants.OAUTH_BODY_CLIENT_SECRET, clientSecret)
+            }.build()
+
     }
 
     class RefreshToken(
@@ -60,16 +68,18 @@ sealed class TokenRequestParams(
         clientAuth: String,
         grantType: String,
         scope: String,
+        clientId: String?,
+        clientSecret: String?,
         val refreshToken: String? = null
-    ) : TokenRequestParams(tokenEndpoint, clientAuth, grantType, scope) {
+    ) : TokenRequestParams(tokenEndpoint, clientAuth, grantType, scope, clientId, clientSecret) {
 
         override fun toRequestBody(): RequestBody =
             FormBody.Builder().apply {
                 add(HttpConstants.OAUTH_HEADER_GRANT_TYPE, grantType)
                 add(HttpConstants.OAUTH_HEADER_SCOPE, scope)
-                if (!refreshToken.isNullOrBlank()) {
-                    add(HttpConstants.OAUTH_HEADER_REFRESH_TOKEN, refreshToken)
-                }
+                if (!refreshToken.isNullOrBlank()) add(HttpConstants.OAUTH_HEADER_REFRESH_TOKEN, refreshToken)
+                if (clientId != null) add(HttpConstants.OAUTH_BODY_CLIENT_ID, clientId)
+                if (clientSecret != null) add(HttpConstants.OAUTH_BODY_CLIENT_SECRET, clientSecret)
             }.build()
 
     }
diff --git a/owncloudData/src/main/java/com/owncloud/android/data/oauth/datasources/implementation/OCRemoteOAuthDataSource.kt b/owncloudData/src/main/java/com/owncloud/android/data/oauth/datasources/implementation/OCRemoteOAuthDataSource.kt
index 1cc057d611a..351f0ac80ba 100644
--- a/owncloudData/src/main/java/com/owncloud/android/data/oauth/datasources/implementation/OCRemoteOAuthDataSource.kt
+++ b/owncloudData/src/main/java/com/owncloud/android/data/oauth/datasources/implementation/OCRemoteOAuthDataSource.kt
@@ -2,7 +2,9 @@
  * ownCloud Android client application
  *
  * @author Abel García de Prada
- * Copyright (C) 2020 ownCloud GmbH.
+ * @author Juan Carlos Garrote Gascón
+ *
+ * Copyright (C) 2024 ownCloud GmbH.
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2,
@@ -103,6 +105,8 @@ class OCRemoteOAuthDataSource(
                     authorizationCode = this.authorizationCode,
                     grantType = this.grantType,
                     scope = this.scope,
+                    clientId = this.clientId,
+                    clientSecret = this.clientSecret,
                     redirectUri = this.redirectUri,
                     clientAuth = this.clientAuth,
                     codeVerifier = this.codeVerifier
@@ -112,6 +116,8 @@ class OCRemoteOAuthDataSource(
                     tokenEndpoint = this.tokenEndpoint,
                     grantType = this.grantType,
                     scope = this.scope,
+                    clientId = this.clientId,
+                    clientSecret = this.clientSecret,
                     clientAuth = this.clientAuth,
                     refreshToken = this.refreshToken
                 )
diff --git a/owncloudData/src/test/java/com/owncloud/android/data/oauth/RemoteOAuthUtils.kt b/owncloudData/src/test/java/com/owncloud/android/data/oauth/RemoteOAuthUtils.kt
index 6f6f09541a1..dc84a584620 100644
--- a/owncloudData/src/test/java/com/owncloud/android/data/oauth/RemoteOAuthUtils.kt
+++ b/owncloudData/src/test/java/com/owncloud/android/data/oauth/RemoteOAuthUtils.kt
@@ -48,6 +48,8 @@ val OC_REMOTE_TOKEN_REQUEST_PARAMS_ACCESS = TokenRequestParams.Authorization(
     clientAuth = OC_TOKEN_REQUEST_ACCESS.clientAuth,
     grantType = OC_TOKEN_REQUEST_ACCESS.grantType,
     scope = OC_TOKEN_REQUEST_ACCESS.scope,
+    clientId = null,
+    clientSecret = null,
     authorizationCode = OC_TOKEN_REQUEST_ACCESS.authorizationCode,
     redirectUri = OC_TOKEN_REQUEST_ACCESS.redirectUri,
     codeVerifier = OC_TOKEN_REQUEST_ACCESS.codeVerifier
@@ -58,6 +60,8 @@ val OC_REMOTE_TOKEN_REQUEST_PARAMS_REFRESH = TokenRequestParams.RefreshToken(
     clientAuth = OC_TOKEN_REQUEST_REFRESH.clientAuth,
     grantType = OC_TOKEN_REQUEST_REFRESH.grantType,
     scope = OC_TOKEN_REQUEST_REFRESH.scope,
+    clientId = null,
+    clientSecret = null,
     refreshToken = OC_TOKEN_REQUEST_REFRESH.refreshToken
 )
 
diff --git a/owncloudDomain/src/main/java/com/owncloud/android/domain/authentication/oauth/model/OIDCServerConfiguration.kt b/owncloudDomain/src/main/java/com/owncloud/android/domain/authentication/oauth/model/OIDCServerConfiguration.kt
index 5c8de9722ef..1c0d22405ff 100644
--- a/owncloudDomain/src/main/java/com/owncloud/android/domain/authentication/oauth/model/OIDCServerConfiguration.kt
+++ b/owncloudDomain/src/main/java/com/owncloud/android/domain/authentication/oauth/model/OIDCServerConfiguration.kt
@@ -2,7 +2,9 @@
  * ownCloud Android client application
  *
  * @author Abel García de Prada
- * Copyright (C) 2020 ownCloud GmbH.
+ * @author Juan Carlos Garrote Gascón
+ *
+ * Copyright (C) 2024 ownCloud GmbH.
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2,
@@ -16,6 +18,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
+
 package com.owncloud.android.domain.authentication.oauth.model
 
 data class OIDCServerConfiguration(
@@ -29,4 +32,7 @@ data class OIDCServerConfiguration(
     val tokenEndpoint: String,
     val tokenEndpointAuthMethodsSupported: List<String>?,
     val userInfoEndpoint: String?,
-)
+) {
+    fun isTokenEndpointAuthMethodSupportedClientSecretPost(): Boolean =
+        tokenEndpointAuthMethodsSupported?.any { it == "client_secret_post" } ?: false
+}
diff --git a/owncloudDomain/src/main/java/com/owncloud/android/domain/authentication/oauth/model/TokenRequest.kt b/owncloudDomain/src/main/java/com/owncloud/android/domain/authentication/oauth/model/TokenRequest.kt
index 1ac098509d9..a8e814dc3ec 100644
--- a/owncloudDomain/src/main/java/com/owncloud/android/domain/authentication/oauth/model/TokenRequest.kt
+++ b/owncloudDomain/src/main/java/com/owncloud/android/domain/authentication/oauth/model/TokenRequest.kt
@@ -2,7 +2,9 @@
  * ownCloud Android client application
  *
  * @author Abel García de Prada
- * Copyright (C) 2020 ownCloud GmbH.
+ * @author Juan Carlos Garrote Gascón
+ *
+ * Copyright (C) 2024 ownCloud GmbH.
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2,
@@ -16,6 +18,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
+
 package com.owncloud.android.domain.authentication.oauth.model
 
 sealed class TokenRequest(
@@ -24,24 +27,30 @@ sealed class TokenRequest(
     val clientAuth: String,
     val grantType: String,
     val scope: String,
+    val clientId: String?,
+    val clientSecret: String?,
 ) {
     class AccessToken(
         baseUrl: String,
         tokenEndpoint: String,
         clientAuth: String,
         scope: String,
+        clientId: String? = null,
+        clientSecret: String? = null,
         val authorizationCode: String,
         val redirectUri: String,
         val codeVerifier: String
-    ) : TokenRequest(baseUrl, tokenEndpoint, clientAuth, GrantType.ACCESS_TOKEN.string, scope)
+    ) : TokenRequest(baseUrl, tokenEndpoint, clientAuth, GrantType.ACCESS_TOKEN.string, scope, clientId, clientSecret)
 
     class RefreshToken(
         baseUrl: String,
         tokenEndpoint: String,
         clientAuth: String,
         scope: String,
+        clientId: String? = null,
+        clientSecret: String? = null,
         val refreshToken: String? = null
-    ) : TokenRequest(baseUrl, tokenEndpoint, clientAuth, GrantType.REFRESH_TOKEN.string, scope)
+    ) : TokenRequest(baseUrl, tokenEndpoint, clientAuth, GrantType.REFRESH_TOKEN.string, scope, clientId, clientSecret)
 
     enum class GrantType(val string: String) {
         /** Request access token. [More info](https://tools.ietf.org/html/rfc6749#section-4.1.3) */