- Free forever for Hackers and Tinkerers
- Works with all popular frameworks
- 1000 operations/month
- Pay as you go ($20/2000 addt'l)
- Send to Slack and Email (Discord coming soon)
- Up to 10 active users
- Limited Data Retention
HumanLayer
0
HumanLayer provides an API and SDK that allows AI agents to interact with humans for feedback, guidance, and approvals. It's designed to integrate seamlessly into various tech stacks, ensuring human oversight and enhancing the quality and reliability of AI outputs.
AI API
Humanizer AI
Whiteboard AI
AI Social Link
#AI feedback loop
#human oversight in AI
#AI decision approval
#custom workflow integration
#human-AI collaboration
#feedback collection for AI
#API for AI systems
#SDK for developers
#integrate AI with humans
#oversight tools for developers
#human-driven decisions
#AI transparency
#real-time feedback for AI
#human-centered AI
#feedback management system
#AI adaptability
#development of AI agents
#user approval process
#AI system enhancement
#AI ethics in development
...
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What is HumanLayer?
HumanLayer is an API and SDK that enables AI agents to interact with humans for feedback, approvals, and guidance. By integrating HumanLayer, developers can ensure critical AI decisions are overseen by humans, create custom approval workflows, manage transitions between software- and human-driven processes, and collect valuable human feedback to improve AI systems. It supports integration with popular frameworks and LLMs, making it a versatile tool for various applications requiring human oversight on AI outputs.
Who will use HumanLayer?
- AI Developers
- Data Scientists
- Machine Learning Engineers
- Product Managers
- Technical Leads
How to use the HumanLayer?
- Step1: Sign up for an account on HumanLayer.
- Step2: Get your API key from the dashboard.
- Step3: Install the HumanLayer SDK using pip for Python or npm for TypeScript.
- Step4: Initialize the HumanLayer instance in your code.
- Step5: Decorate functions that require human approval with `@hl.require_approval`.
- Step6: Configure approval workflows and human contact channels.
- Step7: Test and deploy your application with human-in-the-loop capabilities.
Platform
- web
HumanLayer's Core Features & Benefits
The Core Features
- Human Approvals for Function Calls
- OmniChannel Contact
- Advanced Approvals
- Human as Tool
- Granular Routing
- Bring Your Own LLM and Framework
The Benefits
- Ensures human oversight on critical AI decisions
- Enhances AI quality and reliability
- Customizable workflows to fit specific needs
- Easy integration with existing AI applications
- Collects and exports human feedback for AI training and evaluation
HumanLayer's Main Use Cases & Applications
- Manual approval steps in AI processes
- Oversight of autonomous AI agents
- Custom approval workflows for AI outputs
HumanLayer's Pros & Cons
The Pros
Enables creation of AI agents that feel like real coworkers with human-in-the-loop control
Supports multiple communication channels including Slack, email, and Discord
Advanced approval workflows with human oversight improve agent reliability
Integrates easily with popular programming languages and frameworks
Flexible pricing plans including a free tier for experimentation
The Cons
Not open source, limiting custom modifications and transparency
Discord channel functionality is marked as coming soon, indicating incomplete support
Pricing details for premium and enterprise require contacting sales, which may slow purchase decisions
HumanLayer's Pricing
| Has free plan | YES |
|---|---|
| Free trial details | |
| Pricing model | Freemium |
| Is credit card required | No |
| Paid from | 500 USD |
| Has lifetime plan | No |
| Billing frequency | Monthly |
Details of Pricing Plan
Starter
0 USDPremium
500 USD- Collaborate and scale
- Remove HumanLayer Branding (BYO app/keys)
- Higher Operation Cap
- 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 USD- 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.
FAQs of HumanLayer
HumanLayer Company Information
Analytic of HumanLayer
Visit Over Time
Monthly Visits
243.0k
Avg Visit Duration
00:00:45
Page Per Visit
1.71
Bounce Rate
52.27%
Feb 2026 - Apr 2026 All Traffic
Geography
Top 5 Regions
United States
16.89%
China
7.73%
Vietnam
7.64%
Germany
4.45%
Brazil
3.73%
Feb 2026 - Apr 2026 Worldwide Desktop Only
Traffic Sources
SearchOrganic
37.28%
Direct
29.93%
Referrals
14.70%
SocialOrganic
14.01%
GenAi
3.33%
Mail
0.60%
DisplayAds
0.11%
SocialPaid
0.03%
Affiliate
0.00%
SearchPaid
0.00%
Feb 2026 - Apr 2026 Desktop Only
Top Keywords
| Keyword | Traffic | Cost Per Click |
|---|---|---|
| harness engineering | 171.1k | $ 6.64 |
| humanlayer | 2.5k | $ 5.01 |
| human layer | 1.5k | $ 5.04 |
| claude md | 24.1k | $ 3.08 |
| claude.md | 20.8k | $ -- |
HumanLayer Reviews
5/5
HumanLayer's Main Competitors and alternatives?
- Labelbox
- Scale AI
- SuperAnnotate
- Clarifai
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