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ExploreYC
ExploreYC is an open-source startup intelligence platform and API that indexes data across thousands of Y Combinator and Andreessen Horowitz (a16z) portfolio companies. By organizing historical batch statistics, founder profiles, market categories, and funding trajectories, ExploreYC provides deep visibility into startup trends. Founders, investors, and researchers use its semantic search tools, interactive maps, and REST API to validate ideas, track competitors, and evaluate market crowding.
What it does
• Provides a clean REST API delivering structured data across YC and a16z companies, founders, and funding rounds. • Offers an AI-powered Idea Validator that uses semantic search to detect market crowding across 8,000+ startups. • Visualizes startup ecosystems with interactive 2D maps, 3D globes, and batch analytics dashboards. • Ranks founder leaderboards and tracks live daily updates on new batch additions and active job openings.
Why it works
Open-source architecture allows community contributions while keeping base API usage 100% free forever. Replaces manual Crunchbase and LinkedIn scraping with a unified, developer-friendly REST API endpoint. Provides semantic search over historical YC batch data instead of relying on basic keyword matching. Offers instant drop-in developer onboarding without requiring complex API sales cycles or subscriptions.
Category: AI & Automation
Team Size: 1
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As of 2026
AI & Automation
Revenue: 0-$100k ARR
Open-source data platform and API for Y Combinator startup ecosystem analytics.
Overview
ExploreYC is an open-source startup intelligence platform and API that indexes data across thousands of Y Combinator and Andreessen Horowitz (a16z) portfolio companies. By organizing historical batch statistics, founder profiles, market categories, and funding trajectories, ExploreYC provides deep visibility into startup trends. Founders, investors, and researchers use its semantic search tools, interactive maps, and REST API to validate ideas, track competitors, and evaluate market crowding.
Funding status: Bootstrapped
Revenue source: Free / Open Source
Customer type: B2B
Pricing: Free (Open Source)
Tech stack: TypeScript, React, Next.js, Node.js, REST API, Vector Search
Platform: Web
Integrations: REST API, Y Combinator Directory, a16z Portfolio Data, Hacker News, Product Hunt
Founder story
ExploreYC was built in 2026 by developer Konstantin Borimechkov. Tired of manually cross-referencing YC directories, Crunchbase, and LinkedIn to see if startup ideas had been attempted before, he built ExploreYC. He turned scattered accelerator research into an open-source platform offering semantic search, API access, and market intelligence across 11,000+ startups.
What it does
- • Provides a clean REST API delivering structured data across YC and a16z companies, founders, and funding rounds
- • Offers an AI-powered Idea Validator that uses semantic search to detect market crowding across 8,000+ startups
- • Visualizes startup ecosystems with interactive 2D maps, 3D globes, and batch analytics dashboards
- • Ranks founder leaderboards and tracks live daily updates on new batch additions and active job openings.
Who it's for
- Startup Founders & Vibe Coders
- Venture Capitalists & Angel Investors
- Market Researchers & Analysts
- Job Seekers & Software Engineers
Why it works
- Open-source architecture allows community contributions while keeping base API usage 100% free forever
- Replaces manual Crunchbase and LinkedIn scraping with a unified, developer-friendly REST API endpoint
- Provides semantic search over historical YC batch data instead of relying on basic keyword matching
- Offers instant drop-in developer onboarding without requiring complex API sales cycles or subscriptions.
Growth strategies
- Product Hunt launches targeting startup founders and open- source developer communities
- Providing a free public REST API to drive developer integrations and API adoption
- Open- source repository contributions encouraging community feature additions
- Shareable viral infographics like Spotify- style 'Batch Wrapped' stats on Twitter/X
Alternatives
Comparison overview
- ExploreYC offers an open-source, developer-friendly REST API with semantic search across YC and a16z companies.
- Traditional platforms like Crunchbase or PitchBook charge heavy enterprise subscription fees and rely on proprietary closed-source data infrastructure.