diff --git a/database/migrations/2025_12_17_000001_create_api_bookmarks_table.php b/database/migrations/2025_12_17_000001_create_api_bookmarks_table.php
new file mode 100644
index 00000000..245f8a40
--- /dev/null
+++ b/database/migrations/2025_12_17_000001_create_api_bookmarks_table.php
@@ -0,0 +1,36 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('api_bookmarks', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('user_id')->constrained()->onDelete('cascade')->comment('사용자 ID');
+            $table->string('endpoint', 500)->comment('API 엔드포인트');
+            $table->string('method', 10)->comment('HTTP 메서드');
+            $table->string('display_name', 100)->nullable()->comment('표시명');
+            $table->integer('display_order')->default(0)->comment('표시 순서');
+            $table->string('color', 20)->nullable()->comment('색상 코드');
+            $table->timestamps();
+
+            $table->unique(['user_id', 'endpoint', 'method'], 'api_bookmarks_unique');
+            $table->index('user_id');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('api_bookmarks');
+    }
+};
diff --git a/database/migrations/2025_12_17_000002_create_api_templates_table.php b/database/migrations/2025_12_17_000002_create_api_templates_table.php
new file mode 100644
index 00000000..513ea418
--- /dev/null
+++ b/database/migrations/2025_12_17_000002_create_api_templates_table.php
@@ -0,0 +1,40 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('api_templates', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('user_id')->constrained()->onDelete('cascade')->comment('사용자 ID');
+            $table->string('endpoint', 500)->comment('API 엔드포인트');
+            $table->string('method', 10)->comment('HTTP 메서드');
+            $table->string('name', 100)->comment('템플릿명');
+            $table->text('description')->nullable()->comment('설명');
+            $table->json('headers')->nullable()->comment('헤더 (JSON)');
+            $table->json('path_params')->nullable()->comment('경로 파라미터 (JSON)');
+            $table->json('query_params')->nullable()->comment('쿼리 파라미터 (JSON)');
+            $table->json('body')->nullable()->comment('요청 본문 (JSON)');
+            $table->boolean('is_shared')->default(false)->comment('공유 여부');
+            $table->timestamps();
+
+            $table->index(['user_id', 'endpoint', 'method'], 'api_templates_user_endpoint');
+            $table->index('is_shared');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('api_templates');
+    }
+};
diff --git a/database/migrations/2025_12_17_000003_create_api_histories_table.php b/database/migrations/2025_12_17_000003_create_api_histories_table.php
new file mode 100644
index 00000000..561744c1
--- /dev/null
+++ b/database/migrations/2025_12_17_000003_create_api_histories_table.php
@@ -0,0 +1,40 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('api_histories', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('user_id')->constrained()->onDelete('cascade')->comment('사용자 ID');
+            $table->string('endpoint', 500)->comment('API 엔드포인트');
+            $table->string('method', 10)->comment('HTTP 메서드');
+            $table->json('request_headers')->nullable()->comment('요청 헤더 (JSON)');
+            $table->json('request_body')->nullable()->comment('요청 본문 (JSON)');
+            $table->integer('response_status')->comment('응답 상태 코드');
+            $table->json('response_headers')->nullable()->comment('응답 헤더 (JSON)');
+            $table->longText('response_body')->nullable()->comment('응답 본문');
+            $table->integer('duration_ms')->comment('소요 시간 (ms)');
+            $table->string('environment', 50)->comment('환경명');
+            $table->timestamp('created_at')->useCurrent()->comment('생성일시');
+
+            $table->index(['user_id', 'created_at'], 'api_histories_user_created');
+            $table->index(['endpoint', 'method'], 'api_histories_endpoint_method');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('api_histories');
+    }
+};
diff --git a/database/migrations/2025_12_17_000004_create_api_environments_table.php b/database/migrations/2025_12_17_000004_create_api_environments_table.php
new file mode 100644
index 00000000..8e45b8f0
--- /dev/null
+++ b/database/migrations/2025_12_17_000004_create_api_environments_table.php
@@ -0,0 +1,36 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('api_environments', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('user_id')->constrained()->onDelete('cascade')->comment('사용자 ID');
+            $table->string('name', 50)->comment('환경명');
+            $table->string('base_url', 500)->comment('기본 URL');
+            $table->string('api_key', 500)->nullable()->comment('API Key (암호화 저장)');
+            $table->text('auth_token')->nullable()->comment('인증 토큰 (암호화 저장)');
+            $table->json('variables')->nullable()->comment('환경 변수 (JSON)');
+            $table->boolean('is_default')->default(false)->comment('기본 환경 여부');
+            $table->timestamps();
+
+            $table->index('user_id');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('api_environments');
+    }
+};