What is an active user?

An active user is any user that is registered to approve or respond to agents.

What are Learning and Auto Approvals?

Learning and Auto Approvals allow you to set a threshold for automatically approving or denying requests based on past human interactions.

What are Escalations and Timeouts?

Escalations and Timeouts allow you to coordinate approvals across multiple teams and individuals with escalations and timeouts. Supports Promise.race() and Promise.all() semantics.

What about Exporting Datasets for Training and Evals?

With HumanLayer, you can take the live feedback from your Human SMEs and periodically export it to one or more high-fidelity labeled datasets to power either fine-tuning, evals, or both.

Humanlayer

Name: Humanlayer
Brand: Humanlayer
Price: $0/month USD
Availability: InStock

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API/SDK for AI agents to interact with humans for assistance and approvals.

WebsiteFreemiumAI API AI Developer Tools AI Workflow AI Agent Large Language Models (LLMs)

Humanlayer Introduction

What is Humanlayer?

HumanLayer is an API and SDK that enables tool-calling AI Agents to contact humans for help, feedback, and approvals. It provides human-in-the-loop capabilities for AI Agents, allowing builders to create agents that feel like real coworkers. HumanLayer supports various channels like Slack, Email, and Discord, and integrates with major orchestration frameworks and LLMs.

How to use Humanlayer?

Integrate the HumanLayer SDK into your AI agent workflow. Use the @hl.require_approval() decorator to block function calls requiring human oversight. Contact humans through various channels and route approvals to specific teams or individuals.

Why Choose Humanlayer?

You should choose this if you want a tool that layers human insight with AI smarts, making your workflows smarter and more intuitive.

Humanlayer Features

AI API

✓Require Human Approval for Function Calls
✓OmniChannel Contact (Slack, Email, Discord)
✓Advanced Approval Workflows with Escalations and Timeouts
✓Human as Tool (hl.human_as_tool())
✓Granular Routing of Approvals
✓LLM and Framework Agnostic

FAQ?

Pricing

Starter

$0/month

Free forever for Hackers and Tinkerers. Works with all popular frameworks. 100 operations/month. Pay as you go ($20/200 addt'l). Send to Slack, Email, Discord. Up to 10 active users. Limited Data Retention.

Premium

$500/month

Collaborate and scale. Remove HumanLayer Branding (BYO app/keys). Includes 2000 operations/month ($18/200 add'l). Advanced Approval Workflows w/ Escalations and Timeouts. Learning and Auto Approvals. Channels for MSTeams, SMS, RCS. Priority Support. 180-day retention on feedback datasets export.

Enterprise

Custom

Deploy into your Private VPC or on-prem. RBAC and SSO support. Volume discounts. Custom notification channels. Expert Advice on custom-built agents for sales, marketing, hiring, and more.