diff --git a/src/s3/s3.service.ts b/src/s3/s3.service.ts
index 87c9b13e..11077048 100644
--- a/src/s3/s3.service.ts
+++ b/src/s3/s3.service.ts
@@ -233,6 +233,15 @@ export class S3Service implements OnModuleInit {
     });
   }
 
+  async generateUploadUrl(key: string, isPublic: boolean): Promise<string> {
+    const s3Client = isPublic ? this.s3PublicClient : this.s3Client;
+    const command = new PutObjectCommand({
+      Bucket: this.bucket,
+      Key: key,
+    });
+    return await getSignedUrl(s3Client, command, { expiresIn: 900 });
+  }
+
   async generateDownloadUrl(
     key: string,
     isPublic: boolean,
diff --git a/src/tracing.ts b/src/tracing.ts
index 6ba8dfdf..9602309e 100644
--- a/src/tracing.ts
+++ b/src/tracing.ts
@@ -44,7 +44,7 @@ if (isTracingEnabled()) {
     instrumentations: [
       new HttpInstrumentation({
         ignoreIncomingRequestHook: (req) => {
-          return excludedUrls.some((url) => req.url?.includes(url)) || false;
+          return excludedUrls.some((url) => req.url === url) || false;
         },
       }),
       new ExpressInstrumentation({
diff --git a/src/wizard/dto/task-callback.dto.ts b/src/wizard/dto/task-callback.dto.ts
index 4ade1128..e1c9baa4 100644
--- a/src/wizard/dto/task-callback.dto.ts
+++ b/src/wizard/dto/task-callback.dto.ts
@@ -9,8 +9,8 @@ export class TaskCallbackDto {
   id: string;
 
   @IsOptional()
-  exception: Record<string, any>;
+  exception?: Record<string, any>;
 
   @IsOptional()
-  output: Record<string, any>;
+  output?: Record<string, any>;
 }
diff --git a/src/wizard/internal.wizard.controller.ts b/src/wizard/internal.wizard.controller.ts
index f1093fdb..3f48a444 100644
--- a/src/wizard/internal.wizard.controller.ts
+++ b/src/wizard/internal.wizard.controller.ts
@@ -5,7 +5,7 @@ import { transformKeysToSnakeCase } from 'omniboxd/interceptor/utils';
 import { TaskCallbackDto } from 'omniboxd/wizard/dto/task-callback.dto';
 import { ChunkCallbackDto } from 'omniboxd/wizard/dto/chunk-callback.dto';
 import { ChunkManagerService } from 'omniboxd/wizard/chunk-manager.service';
-import { Body, Controller, Get, Post, Query, Res } from '@nestjs/common';
+import { Body, Controller, Get, Param, Post, Query, Res } from '@nestjs/common';
 import { FetchTaskRequest } from 'omniboxd/wizard/dto/fetch-task-request.dto';
 
 @Controller('internal/api/v1/wizard')
@@ -33,6 +33,19 @@ export class InternalWizardController {
     return await this.wizardService.taskDoneCallback(taskCallback);
   }
 
+  @Public()
+  @Post('tasks/:taskId/upload')
+  async createTaskResult(@Param('taskId') taskId: string) {
+    const url = await this.wizardService.createTaskUploadUrl(taskId);
+    return { url };
+  }
+
+  @Public()
+  @Post('tasks/:taskId/callback')
+  async handleUploadedTaskCallback(@Param('taskId') taskId: string) {
+    return await this.wizardService.uploadedTaskDoneCallback(taskId);
+  }
+
   @Public()
   @Post('callback/chunk')
   async handleChunkCallback(
diff --git a/src/wizard/wizard.service.ts b/src/wizard/wizard.service.ts
index 92b598bd..e26c3cb6 100644
--- a/src/wizard/wizard.service.ts
+++ b/src/wizard/wizard.service.ts
@@ -29,6 +29,7 @@ import { isEmpty } from 'omniboxd/utils/is-empty';
 import { FetchTaskRequest } from 'omniboxd/wizard/dto/fetch-task-request.dto';
 import { S3Service } from 'omniboxd/s3/s3.service';
 import { createGunzip } from 'zlib';
+import { buffer } from 'node:stream/consumers';
 import { SharedResourcesService } from 'omniboxd/shared-resources/shared-resources.service';
 import { ResourcesService } from 'omniboxd/resources/resources.service';
 
@@ -227,6 +228,23 @@ export class WizardService {
     return { task_id: task.id, resource_id: resource.id };
   }
 
+  async createTaskUploadUrl(taskId: string): Promise<string> {
+    return await this.s3Service.generateUploadUrl(
+      `wizard-tasks/${taskId}`,
+      true,
+    );
+  }
+
+  async uploadedTaskDoneCallback(taskId: string) {
+    const key = `wizard-tasks/${taskId}`;
+    const { stream } = await this.s3Service.getObject(key);
+    const payload = await buffer(stream);
+    const taskCallback: TaskCallbackDto = JSON.parse(payload.toString('utf-8'));
+    const result = await this.taskDoneCallback(taskCallback);
+    await this.s3Service.deleteObject(key);
+    return result;
+  }
+
   async taskDoneCallback(data: TaskCallbackDto) {
     const task = await this.wizardTaskService.taskRepository.findOneOrFail({
       where: { id: data.id },
@@ -244,8 +262,8 @@ export class WizardService {
     }
 
     task.endedAt = new Date();
-    task.exception = data.exception;
-    task.output = data.output;
+    task.exception = data.exception || null;
+    task.output = data.output || null;
     await this.preprocessTask(task);
 
     await this.wizardTaskService.taskRepository.save(task);