How to Look Up a YC Company by ID, Batch, or Slug
Startup EcosystemLearn
How to look up any Y Combinator company by ID (ai29973 style), batch code, or URL slug on Guide Startups. Company lookup steps and examples.
Blog
Articles on Y Combinator applications, startup funding, batches, founder advice, and the startup ecosystem. Page 4 of 6.
Topics
- Accelerator Applications
How to apply to top startup accelerators: what they look for, application tips, and interview process.
- Startup Funding
Funding strategies, pre-seed and seed rounds, and how early-stage startups raise capital.
- Accelerator Batches
How accelerator batches work: timelines, batch structure, and how to choose which batch to apply to.
- Startup Ecosystem
Accelerator alumni networks, demo day, and the broader startup ecosystem.
- Industry Spotlights
Deep dives into industries and verticals where startups operate.
- Company Building
Product, growth, hiring, and operational lessons for early-stage startups.
Recent articles
Messaging Startups: Platforms, YC Alumni & Trends
Industry SpotlightsLearnMessaging startups explained: customer messaging platforms, CPaaS, AI agents, and notable Y Combinator companies. Browse 45+ YC messaging alumni on Guide Startups.
What Are Industry Verticals? Meaning, Examples & YC Startups
Industry SpotlightsLearnWhat are industry verticals? Learn the meaning of vertical vs. horizontal markets, startup examples (fintech, AI, healthcare), and how to browse YC companies by industry.
Y Combinator Batch Schedule: 2026 Dates, Order & Timeline
Accelerator BatchesLearnY Combinator batch schedule explained: four batches per year (Winter, Spring, Summer, Fall), 2026 Demo Day dates, application windows, and full timeline.
AI Startups: Funding Trends and What Investors Look For
Industry SpotlightsDiscoverAI startups funding trends: what investors look for, how to position an AI company, and where the capital is going.
Best Industries for Startups to Launch in 2025
Industry SpotlightsDiscoverBest industries for startups to launch in 2025: software and AI, fintech, healthtech, and sectors with strong funding and growth. How to choose.
Fintech as a Startup Vertical: What Founders Should Know
Industry SpotlightsLearnFintech as a startup vertical: sub-sectors, regulation, what investors look for, and how to position a fintech startup.
How Long Is the Y Combinator Program?
Accelerator BatchesLearnHow long is the Y Combinator program: three-month batch length, time commitment, and what to expect from start to Demo Day.
How Startups Attract Accredited Investors Without a Marketing Agency
Startup FundingLearnHow startups attract accredited investors without a marketing agency: compliance, list building, warm intros, and in-house channels. Tactical guide and checklist.