Humanlayer
API/SDK for AI agents to interact with humans for assistance and approvals.
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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.
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.
You should choose this if you want a tool that layers human insight with AI smarts, making your workflows smarter and more intuitive.
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.
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.
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.