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Overview

Keep your AI systems safe and accurate with human oversight. HITL.sh provides a mobile-first platform for routing critical decisions to human reviewers with instant notifications and structured responses.

Create your first loop

Set up your first human-in-the-loop workflow in minutes with our API.

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How it works

1

Create a loop

Set up a human review loop using the API. Each loop automatically generates invite codes and QR codes for easy team onboarding.
2

Add reviewers

Invite team members to join your loop using invite codes, QR codes, or direct links. They receive the mobile app for instant notifications.
3

Send requests

Submit review requests to your loop via API with customizable response types (single-select, text, rating, etc.) and timeout settings.
4

Human review

Reviewers receive push notifications on mobile and can respond immediately with structured feedback.
5

Get responses

Receive human decisions via webhooks or polling, with structured data ready for your application logic.

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Core features

Everything you need for human-in-the-loop workflows

Mobile-First Reviews

Reviewers receive instant push notifications and can respond on-the-go using our native mobile app for iOS and Android.

Flexible Response Types

Configure exactly how reviewers respond: single-select decisions, text feedback, ratings, numbers, or boolean choices.

Easy Team Onboarding

Invite codes, QR codes, and direct links make it simple to add reviewers to your loops instantly.

Real-time Integration

Get instant webhooks when requests complete, or poll for status updates with structured JSON responses.

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Integrations

Integrate human oversight into any application or workflow

RESTful API

Full-featured REST API for creating loops, submitting requests, and receiving responses.

n8n Integration

Native n8n nodes for seamless workflow automation with human-in-the-loop steps.

Zapier Integration

Connect HITL.sh to thousands of apps through Zapier’s automation platform.

Webhooks

Receive real-time notifications when human reviews are completed.

Mobile App

Native iOS and Android apps for reviewers to handle requests on-the-go.

Python & JavaScript

Code examples and SDKs for popular programming languages.

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Use cases

Real-world applications for human-in-the-loop workflows

Content Moderation

Review user-generated content for policy compliance with mobile-first moderation teams.

AI Quality Control

Validate AI outputs before they reach customers, with structured feedback for model improvement.

Document Approval

Route contracts, proposals, and sensitive documents through human approval workflows.

Risk Assessment

Flag high-risk transactions, user accounts, or system anomalies for human review.

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Get started today

Ready to add human oversight to your AI workflows?

Create Your First Loop

Follow our step-by-step guide to set up your first human-in-the-loop workflow with API examples.

Explore the API

Browse our complete API documentation with code examples in Python, JavaScript, and cURL.

Download Mobile App

Get the HITL.sh mobile app for iOS and Android to start reviewing requests on-the-go.

Join a Loop

Learn how to join existing loops using invite codes, QR codes, or direct links.