diff --git a/ProcessMaker/Http/Controllers/Api/ProcessController.php b/ProcessMaker/Http/Controllers/Api/ProcessController.php
index 6a834fef74..8ea9f56958 100644
--- a/ProcessMaker/Http/Controllers/Api/ProcessController.php
+++ b/ProcessMaker/Http/Controllers/Api/ProcessController.php
@@ -107,6 +107,11 @@ public function index(Request $request)
         if (!empty($filter)) {
             $processes->filter($filter);
         }
+        // Filter by category
+        $category = $request->input('category', null);
+        if (!empty($category)) {
+            $processes->processCategory($category);
+        }
 
         if (!empty($pmql)) {
             try {
diff --git a/ProcessMaker/Models/Process.php b/ProcessMaker/Models/Process.php
index 9bb5270516..3d471bcccc 100644
--- a/ProcessMaker/Models/Process.php
+++ b/ProcessMaker/Models/Process.php
@@ -450,6 +450,14 @@ public function scopeArchived($query)
         return $query->where('processes.status', 'ARCHIVED');
     }
 
+    /**
+     * Scope a query to include a specific category
+     */
+    public function scopeProcessCategory($query, int $id)
+    {
+        return $query->where('processes.process_category_id', $id);
+    }
+
     public function getCollaborations()
     {
         $this->bpmnDefinitions = app(BpmnDocumentInterface::class, ['process' => $this]);
diff --git a/tests/Feature/Api/ProcessTest.php b/tests/Feature/Api/ProcessTest.php
index 018605ab4e..18bad14bc2 100644
--- a/tests/Feature/Api/ProcessTest.php
+++ b/tests/Feature/Api/ProcessTest.php
@@ -555,6 +555,29 @@ public function testSorting()
         ]);
     }
 
+    /**
+     * Test filter by Category
+     */
+    public function testFilterCategory()
+    {
+        // Create Category
+        $categoryA = ProcessCategory::factory()->create();
+        $categoryB = ProcessCategory::factory()->create();
+        // Now we create process related to this
+        Process::factory()->count(5)->create([
+            'process_category_id' => $categoryB->id,
+        ]);
+        // Get process without category
+        $response = $this->apiCall('GET', route('api.processes.index', ['per_page' => 5, 'page' => 1]));
+        $response->assertJsonCount(5, 'data');
+        // Get process related categoryA
+        $response = $this->apiCall('GET', route('api.processes.index', ['category' => $categoryA->id]));
+        $response->assertJsonCount(0, 'data');
+        // Get process related categoryB
+        $response = $this->apiCall('GET', route('api.processes.index', ['category' => $categoryB->id]));
+        $response->assertJsonCount(5, 'data');
+    }
+
     /**
      * Test pagination of process list
      */