How it works
From invite to hire in four steps.
Send invite
Share a unique assessment link with candidates. No account needed to start.
Assess skills
Candidates complete AI-powered assessments and peer sessions to prove their abilities.
Review scores
Get a detailed SCI score breakdown showing verified skill levels with evidence.
Make decision
Compare candidates side-by-side with objective, evidence-based skill data.
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Faster screening
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Better retention
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Lower cost per hire
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Average assessment time
Assess API
Your hiring pipeline, supercharged.
The Assess API integrates directly into your recruitment workflow. Send invites, track progress, and receive webhooks when assessments complete.
- Programmatic invite creation with custom expiry
- Real-time progress tracking via webhooks
- Batch candidate comparison endpoints
- Skill-specific scoring with confidence intervals
- Full audit trail for compliance
Why Lemma
Hiring based on evidence, not intuition.
Verified proof
Every skill score is backed by session recordings, AI assessments, and peer endorsements.
10x faster screening
Skip resume parsing. Filter candidates by verified skill level in seconds.
92% prediction accuracy
Our SCI score correlates with on-the-job performance better than any interview format.
Reduced bias
Skill-first evaluation removes unconscious bias from the screening process.
Works with your ATS.
Lemma integrates with Greenhouse, Lever, Workday, and any ATS with a REST API.
Greenhouse
Sync assessment results directly to Greenhouse scorecards. One-click setup, automatic candidate tracking.
Lever
Push verified skill data into Lever candidate profiles. Filter candidates by SCI score in your pipeline.
Workday
Enterprise-grade integration with Workday HCM. Map Lemma skills to your internal competency framework.
BambooHR
Auto-import employee profiles and track skill growth over time. Perfect for internal mobility programs.
Ashby
Modern ATS integration with real-time webhook events. Assessment results appear instantly in Ashby.
REST API
Build custom integrations with any platform. RESTful endpoints, webhook subscriptions, and TypeScript SDK.
Start proving what you know.
Early access is rolling out for individuals and teams. No credit card, no PDFs — just the things you made, made visible.