**HumanLayer** is a game-changer for AI agents, bringing **human feedback** and **approvals** into the loop. With its **API** and **SDK**, you can easily integrate human oversight into your AI workflows, ensuring your agents make smarter, safer decisions.

What are the features of HumanLayer?

* **Human Approval for Function Calls**: Block specific function calls until a human gives the green light. * **OmniChannel Contact**: Reach humans via **Slack**, **Email**, **Discord**, and more. * **Advanced Approvals**: Coordinate approvals across teams with **escalations** and **timeouts**. * **Human as Tool**: Use humans for answers, advice, or feedback directly in your agent toolchain. * **Granular Routing**: Route approvals to specific teams or individuals.

What are the use cases of HumanLayer?

* **AI Agents**: Ensure AI decisions are vetted by humans. * **Customer Support**: Automate responses but keep human oversight for critical issues. * **Sales & Marketing**: Let AI find leads but have humans approve outreach.

How to use HumanLayer?

1. Drop the **SDK** into your project. 2. Use the `@hl.require_approval()` decorator for functions needing human approval. 3. Configure **contact channels** like Slack or Email for human feedback. 4. Run your AI tasks with human oversight seamlessly integrated.