> ## Documentation Index
> Fetch the complete documentation index at: https://docs.humancheck.dev/llms.txt
> Use this file to discover all available pages before exploring further.

# Connectors Overview

> Send review notifications through various communication channels

Connectors allow Humancheck to send review notifications through various communication channels and automatically route reviews to the appropriate reviewers.

<Tabs>
  <Tab title="Open Source">
    Open Source supports basic connectors (Slack, Email, Webhook) with manual configuration.
  </Tab>

  <Tab title="Platform">
    Platform provides **dozens of built-in connectors** that can be connected instantly via UI, plus no-code integrations with n8n, Zapier, Gumloop, and more.
  </Tab>
</Tabs>

## Available Connectors

### Open Source (Basic)

* **Slack**: Send notifications to Slack channels and DMs (API token required)
* **Email**: SMTP-based email notifications
* **Webhook**: Generic HTTP POST to any endpoint
* **Custom**: Create your own connector

### Platform (Built-in Connectors)

<Warning>
  Built-in connectors with instant UI setup are only available in [Humancheck Platform](/platform/overview).
</Warning>

Connect to dozens of channels instantly:

**Communication:**

* **Slack** - Channels, DMs, threads (OAuth)
* **Microsoft Teams** - Channels and chats
* **Discord** - Servers and channels
* **Email** - SMTP notifications
* **SMS** - Text message alerts

**Incident Management:**

* **PagerDuty** - On-call alerts
* **Opsgenie** - Alert management
* **VictorOps** - Incident response

**Project Management:**

* **Jira** - Create tickets for reviews
* **Linear** - Issue tracking
* **Asana** - Task management

**And many more...**

All connectors can be set up in minutes through the dashboard - no code required! Simply click "Connect" and follow the OAuth flow.

### No-Code Platform Integrations

Platform provides native integrations with popular automation platforms:

* **n8n** - Workflow automation - Connect Humancheck to your n8n workflows
* **Zapier** - Connect 5000+ apps - Use Zapier to connect Humancheck to your entire stack
* **Gumloop** - Workflow builder - Build complex workflows with Gumloop
* **Make (Integromat)** - Visual automation - Visual workflow builder
* **Tray.io** - Enterprise automation - Enterprise-grade automation

These integrations allow you to connect Humancheck to your entire tech stack without writing any code. Set up integrations in minutes through the Platform dashboard.

### Multi-User Approval Workflows

Platform supports complex approval workflows:

* **Sequential Approvals**: A → B → C (each must approve in order)
* **Parallel Approvals**: A & B both approve (either can approve)
* **Conditional Workflows**: If A approves, then B; else C
* **Role-Based Routing**: Route based on user roles and permissions
* **Escalation Paths**: Auto-escalate if no response within timeframe

Configure these workflows via the Platform dashboard or API.

## Architecture

```
Review Created
    ↓
ConnectorManager.send_review_notification()
    ↓
RoutingEngine.route_review()
    ↓
Evaluate ConnectorRoutingRules
    ↓
Send via matching Connectors
    ↓
Log to NotificationLog
```

## Setting Up Connectors

See the [Slack Connector](/connectors/slack) guide for detailed setup instructions.

## Creating Custom Connectors

See the [Custom Connectors](/connectors/custom-connectors) guide for creating your own connectors.

## Next Steps

* Learn about [Slack Connector](/connectors/slack)
* Explore [Custom Connectors](/connectors/custom-connectors)
* Set up [Webhooks](/api-reference/endpoint/webhook) (Platform)
* Configure [Multi-User Approval Workflows](/platform/overview#platform-only-features) (Platform)
* Check out [Platform Features](/platform/overview) for all available connectors