diff --git a/androidApp/src/main/java/bou/amine/apps/readerforselfossv2/android/UpsertSourceActivity.kt b/androidApp/src/main/java/bou/amine/apps/readerforselfossv2/android/UpsertSourceActivity.kt
index f952bdb..bcc6d35 100644
--- a/androidApp/src/main/java/bou/amine/apps/readerforselfossv2/android/UpsertSourceActivity.kt
+++ b/androidApp/src/main/java/bou/amine/apps/readerforselfossv2/android/UpsertSourceActivity.kt
@@ -65,6 +65,7 @@ class UpsertSourceActivity :
     private fun initFields(items: Map<String, SelfossModel.Spout>) {
         binding.nameInput.setText(existingSource!!.title)
         binding.tags.setText(existingSource!!.tags?.joinToString(", "))
+        binding.filter.setText(existingSource!!.filter)
         binding.sourceUri.setText(existingSource!!.params?.url)
         binding.spoutsSpinner.setSelection(items.keys.indexOf(existingSource!!.spout))
         binding.progress.visibility = View.GONE
@@ -169,6 +170,7 @@ class UpsertSourceActivity :
                                 url,
                                 mSpoutsValue!!,
                                 binding.tags.text.toString(),
+                                binding.filter.text.toString(),
                             )
                         } else {
                             repository.createSource(
@@ -176,6 +178,7 @@ class UpsertSourceActivity :
                                 url,
                                 mSpoutsValue!!,
                                 binding.tags.text.toString(),
+                                binding.filter.text.toString(),
                             )
                         }
                     if (successfullyAddedSource) {
diff --git a/androidApp/src/main/res/layout/activity_upsert_source.xml b/androidApp/src/main/res/layout/activity_upsert_source.xml
index b2ed65b..35df0f8 100644
--- a/androidApp/src/main/res/layout/activity_upsert_source.xml
+++ b/androidApp/src/main/res/layout/activity_upsert_source.xml
@@ -64,15 +64,28 @@
                 android:id="@+id/tags"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
-                android:minHeight="48dp"
                 android:layout_marginTop="16dp"
                 android:autofillHints="false"
                 android:hint="@string/add_source_hint_tags"
                 android:inputType="text"
+                android:minHeight="48dp"
                 android:textColorHint="?android:textColorPrimary"
                 app:layout_constraintLeft_toLeftOf="parent"
                 app:layout_constraintTop_toBottomOf="@+id/sourceUri" />
 
+            <EditText
+                android:id="@+id/filter"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
+                android:autofillHints="false"
+                android:hint="@string/add_source_hint_filter"
+                android:inputType="text"
+                android:minHeight="48dp"
+                android:textColorHint="?android:textColorPrimary"
+                app:layout_constraintLeft_toLeftOf="parent"
+                app:layout_constraintTop_toBottomOf="@+id/tags" />
+
             <Spinner
                 android:id="@+id/spoutsSpinner"
                 android:layout_width="match_parent"
@@ -80,7 +93,7 @@
                 android:minHeight="48dp"
                 android:layout_marginTop="16dp"
                 app:layout_constraintLeft_toLeftOf="parent"
-                app:layout_constraintTop_toBottomOf="@+id/tags" />
+                app:layout_constraintTop_toBottomOf="@+id/filter" />
 
             <Button
                 android:id="@+id/saveBtn"
diff --git a/androidApp/src/main/res/values/strings.xml b/androidApp/src/main/res/values/strings.xml
index 5541661..0069c56 100644
--- a/androidApp/src/main/res/values/strings.xml
+++ b/androidApp/src/main/res/values/strings.xml
@@ -17,6 +17,7 @@
     <string name="add_source_hint_tags">"Tag1, Tag2, Tag3"</string>
     <string name="add_source_hint_url">"Link"</string>
     <string name="add_source_hint_name">"Name"</string>
+    <string name="add_source_hint_filter">/Filter/</string>
     <string name="add_source">"Add a source"</string>
     <string name="add_source_save">"Save"</string>
     <string name="wrong_infos">"Check your details again."</string>
diff --git a/androidApp/src/test/kotlin/bou/amine/apps/readerforselfossv2/tests/repository/RepositoryTest.kt b/androidApp/src/test/kotlin/bou/amine/apps/readerforselfossv2/tests/repository/RepositoryTest.kt
index f68d441..41577f9 100644
--- a/androidApp/src/test/kotlin/bou/amine/apps/readerforselfossv2/tests/repository/RepositoryTest.kt
+++ b/androidApp/src/test/kotlin/bou/amine/apps/readerforselfossv2/tests/repository/RepositoryTest.kt
@@ -44,6 +44,8 @@ private const val FEED_URL = "https://test.com/feed"
 
 private const val TAGS = "Test, New"
 
+private const val FILTER = "/filter/"
+
 private const val NUMBER_ARTICLES = 100
 private const val NUMBER_UNREAD = 50
 private const val NUMBER_STARRED = 20
@@ -836,7 +838,7 @@ class RepositoryTest {
 
     @Test
     fun create_source() {
-        coEvery { api.createSourceForVersion(any(), any(), any(), any()) } returns
+        coEvery { api.createSourceForVersion(any(), any(), any(), any(), any()) } returns
             SuccessResponse(true)
 
         initializeRepository()
@@ -848,6 +850,7 @@ class RepositoryTest {
                     FEED_URL,
                     SPOUT,
                     TAGS,
+                    FILTER,
                 )
         }
 
@@ -857,6 +860,7 @@ class RepositoryTest {
                 any(),
                 any(),
                 any(),
+                any(),
             )
         }
         assertSame(true, response)
@@ -864,7 +868,7 @@ class RepositoryTest {
 
     @Test
     fun create_source_but_response_fails() {
-        coEvery { api.createSourceForVersion(any(), any(), any(), any()) } returns
+        coEvery { api.createSourceForVersion(any(), any(), any(), any(), any()) } returns
             SuccessResponse(false)
 
         initializeRepository()
@@ -876,6 +880,7 @@ class RepositoryTest {
                     FEED_URL,
                     SPOUT,
                     TAGS,
+                    FILTER,
                 )
         }
 
@@ -885,6 +890,7 @@ class RepositoryTest {
                 any(),
                 any(),
                 any(),
+                any(),
             )
         }
         assertSame(false, response)
@@ -892,7 +898,7 @@ class RepositoryTest {
 
     @Test
     fun create_source_without_connection() {
-        coEvery { api.createSourceForVersion(any(), any(), any(), any()) } returns
+        coEvery { api.createSourceForVersion(any(), any(), any(), any(), any()) } returns
             SuccessResponse(true)
 
         initializeRepository(false)
@@ -904,6 +910,7 @@ class RepositoryTest {
                     FEED_URL,
                     SPOUT,
                     TAGS,
+                    FILTER,
                 )
         }
 
@@ -913,6 +920,7 @@ class RepositoryTest {
                 any(),
                 any(),
                 any(),
+                any(),
             )
         }
         assertSame(false, response)
diff --git a/shared/src/commonMain/kotlin/bou/amine/apps/readerforselfossv2/model/SelfossModel.kt b/shared/src/commonMain/kotlin/bou/amine/apps/readerforselfossv2/model/SelfossModel.kt
index 085d52d..9662ef0 100644
--- a/shared/src/commonMain/kotlin/bou/amine/apps/readerforselfossv2/model/SelfossModel.kt
+++ b/shared/src/commonMain/kotlin/bou/amine/apps/readerforselfossv2/model/SelfossModel.kt
@@ -102,6 +102,7 @@ class SelfossModel {
         override var error: String? = null,
         override var icon: String? = null,
         var params: SourceParams? = null,
+        var filter: String? = null,
     ) : Source
 
     @Serializable
diff --git a/shared/src/commonMain/kotlin/bou/amine/apps/readerforselfossv2/repository/Repository.kt b/shared/src/commonMain/kotlin/bou/amine/apps/readerforselfossv2/repository/Repository.kt
index 45a2272..9a33bf1 100644
--- a/shared/src/commonMain/kotlin/bou/amine/apps/readerforselfossv2/repository/Repository.kt
+++ b/shared/src/commonMain/kotlin/bou/amine/apps/readerforselfossv2/repository/Repository.kt
@@ -368,6 +368,7 @@ class Repository(
         url: String,
         spout: String,
         tags: String,
+        filter: String,
     ): Boolean {
         var response = false
         if (connectivityService.isNetworkAvailable()) {
@@ -377,6 +378,7 @@ class Repository(
                     url,
                     spout,
                     tags,
+                    filter,
                 ).isSuccess == true
         }
 
@@ -389,10 +391,11 @@ class Repository(
         url: String,
         spout: String,
         tags: String,
+        filter: String,
     ): Boolean {
         var response = false
         if (connectivityService.isNetworkAvailable()) {
-            response = api.updateSourceForVersion(id, title, url, spout, tags).isSuccess == true
+            response = api.updateSourceForVersion(id, title, url, spout, tags, filter).isSuccess == true
         }
 
         return response
diff --git a/shared/src/commonMain/kotlin/bou/amine/apps/readerforselfossv2/rest/SelfossApi.kt b/shared/src/commonMain/kotlin/bou/amine/apps/readerforselfossv2/rest/SelfossApi.kt
index 9bab495..90a29c8 100644
--- a/shared/src/commonMain/kotlin/bou/amine/apps/readerforselfossv2/rest/SelfossApi.kt
+++ b/shared/src/commonMain/kotlin/bou/amine/apps/readerforselfossv2/rest/SelfossApi.kt
@@ -638,17 +638,59 @@ class SelfossApi(
         url: String,
         spout: String,
         tags: String,
+        filter: String,
     ): SuccessResponse =
         maybeResponse(
             if (appSettingsService.getApiVersion() > 1) {
-                createSource("tags[]", title, url, spout, tags)
+                createSource(title, url, spout, tags, filter)
             } else {
-                createSource("tags", title, url, spout, tags)
+                createSourceOld(title, url, spout, tags)
             },
         )
 
     private suspend fun createSource(
-        tagsParamName: String,
+        title: String,
+        url: String,
+        spout: String,
+        tags: String,
+        filter: String,
+    ): HttpResponse? =
+        client.tryToSubmitForm(
+            url = url("/source"),
+            formParameters =
+                Parameters.build {
+                    if (!shouldHavePostLogin()) {
+                        append("username", appSettingsService.getUserName())
+                        append("password", appSettingsService.getPassword())
+                    }
+                    append("title", title)
+                    append("url", url)
+                    append("spout", spout)
+                    append("filter", filter)
+                    append("tags[]", tags)
+                },
+            block = {
+                if (appSettingsService
+                        .getBasicUserName()
+                        .isNotEmpty() &&
+                    appSettingsService.getBasicPassword().isNotEmpty()
+                ) {
+                    headers {
+                        append(
+                            HttpHeaders.Authorization,
+                            constructBasicAuthValue(
+                                BasicAuthCredentials(
+                                    username = appSettingsService.getBasicUserName(),
+                                    password = appSettingsService.getBasicPassword(),
+                                ),
+                            ),
+                        )
+                    }
+                }
+            },
+        )
+
+    private suspend fun createSourceOld(
         title: String,
         url: String,
         spout: String,
@@ -665,7 +707,7 @@ class SelfossApi(
                     append("title", title)
                     append("url", url)
                     append("spout", spout)
-                    append(tagsParamName, tags)
+                    append("tags", tags)
                 },
             block = {
                 if (appSettingsService
@@ -694,18 +736,61 @@ class SelfossApi(
         url: String,
         spout: String,
         tags: String,
+        filter: String,
     ): SuccessResponse =
         maybeResponse(
             if (appSettingsService.getApiVersion() > 1) {
-                updateSource(id, "tags[]", title, url, spout, tags)
+                updateSource(id, title, url, spout, tags, filter)
             } else {
-                updateSource(id, "tags", title, url, spout, tags)
+                updateSourceOld(id, title, url, spout, tags)
             },
         )
 
     private suspend fun updateSource(
         id: Int,
-        tagsParamName: String,
+        title: String,
+        url: String,
+        spout: String,
+        tags: String,
+        filter: String,
+    ): HttpResponse? =
+        client.tryToSubmitForm(
+            url = url("/source/$id"),
+            formParameters =
+                Parameters.build {
+                    if (!shouldHavePostLogin()) {
+                        append("username", appSettingsService.getUserName())
+                        append("password", appSettingsService.getPassword())
+                    }
+                    append("title", title)
+                    append("url", url)
+                    append("spout", spout)
+                    append("tags[]", tags)
+                    append("filter", filter)
+                },
+            block = {
+                if (appSettingsService
+                        .getBasicUserName()
+                        .isNotEmpty() &&
+                    appSettingsService.getBasicPassword().isNotEmpty()
+                ) {
+                    headers {
+                        append(
+                            HttpHeaders.Authorization,
+                            constructBasicAuthValue(
+                                BasicAuthCredentials(
+                                    username = appSettingsService.getBasicUserName(),
+                                    password = appSettingsService.getBasicPassword(),
+                                ),
+                            ),
+                        )
+                    }
+                }
+            },
+        )
+
+    private suspend fun updateSourceOld(
+        id: Int,
         title: String,
         url: String,
         spout: String,
@@ -722,7 +807,7 @@ class SelfossApi(
                     append("title", title)
                     append("url", url)
                     append("spout", spout)
-                    append(tagsParamName, tags)
+                    append("tags", tags)
                 },
             block = {
                 if (appSettingsService