Humanlayer
To be verifiedHumanLayer 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.
API/SDK for AI agents to interact with humans for assistance and approvals.
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humanlayer.dev/
What is Humanlayer?
API/SDK for AI agents to interact with humans for assistance and approvals.
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.
Core Features
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
Popular Use Cases
- AI agents requiring human approval for critical decisions.
- Workflows needing human feedback to improve agent performance.
- Agentic AI workflows that need human oversight for production-grade reliability.
- Automated lead generation with human feedback on lead quality.
Feature Comparison
A functional comparison based on maker input.
To be verified.
Comparison details are provided for informational purposes and should be verified with the official website.
How to use
- 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.
Pricing
Humanlayer uses a freemium pricing model. Pricing and features may change over time.
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.
Deal / Coupon
No coupon listed.
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Frequently Asked Questions
Verification
Tool status
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Founder claimed
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Source
Official website / Community submitted
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