Proof of Usefulness Report

Lago

Analysis completed on 1/24/2026

+483
Proof of Usefulness Score
Industry Mainstay

Lago is a verifiable, high-growth open-source billing platform (YC S21, $22M Series A) with significant market traction (9k+ GitHub stars, enterprise adoption). However, the specific submission provided contains low-effort, hyperbolic claims ('most people have used my product', 'audience reach: everyone') which contradict the actual B2B nature of the project. The score reflects the high real-world utility and verified traction of the technology, heavily penalized by the low quality and inaccuracy of the form submission.

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Score Breakdown

Real World Utility+90.0
Audience Reach Impact+64.0
Technical Innovation+68.4
Evidence Of Traction+114.0
Market Timing Relevance+38.0
Functional Completeness+1.0
Subtotal+375.4
Usefulness Multiplierx1.15
Final Score+432

Project Details

Project URL
Description
Lago is an Open Source Billing API for all kinds of pricing. It's the alternative to Stripe Billing and Chargebee.

Algorithm Insights

Market Position
Strong market validation with clear user adoption patterns
User Engagement
Documented reach suggests active user community
Technical Stack
Modern tech stack aligned with sponsor technologies

Recommendations to Increase Usefulness Score

Document User Growth

Provide specific metrics on user acquisition and retention rates

Showcase Revenue Model

Detail sustainable monetization strategy and current revenue streams

Expand Evidence Base

Include testimonials, case studies, and third-party validation

Technical Roadmap

Share development milestones and feature completion timeline