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Definite launch: what they're building and where to launch next

FoxPlug writes launch posts from what a startup ships and matches it to the launch communities that fit it. This page shows what Definite is building and where it could launch next; if it is your startup, start free below.

What they're building

Build everyday back-office agents on one live model of your books

Batch
Y Combinator Summer 2026
Industry
B2B
Team size
3
Based
San Francisco, CA, USA

Founders

usedefinite.com ↗

See their funding details ↗

Definite on the record

What they shipped

  • From its YC profile: Definite is where finance teams build everyday back-office agents on one live model of their books. We plug into your ERP, ledger, payroll, and payments read-only and compile everything into one clean model that stays current as money moves. Your back-office team then builds agents on top in plain English. We never write back and we never move money. The agents are yours, the plumbing is ours. We met in first year computer science at Waterloo and interned at Meta, Optiver, and BitGo. At Optiver they ran an n8n hackathon and the interns automated basically nothing. (source)
  • Its own site describes it as: "Definite connects your financial stack, continuously finds opportunities to improve cash, margin, and runway, and gives finance the evidence and workflow to capture the value." (source)

Who is behind it

  • Gurshabd Singh Varaich, Founder/CEO: Founder & CEO at Definite (YC S26). Previous SWE intern at BitGo (pre-execution wallet policy and approval controls). Studied CS at UWaterloo (source)
  • Mazin Al-Ani, Founder: Founder at Definite (YC S26). Previously SWE intern at Optiver (quantitative trading systems) and Boosted.ai (agentic AI platform for financial analysts). Studied CS at University of Waterloo. (source)
  • Farhan Ur Rehman, Founder: Founder at Definite (YC S26). Previous SWE at Meta (Instagram reels recommendation). Studied Statistics at University of Waterloo. (source)

Timeline

  1. 2026: founded, per its YC profile. (source)
  2. 2023-11-29: "Show HN: Definite – Get a data stack (database, ETL, and BI) in one app" posted to Hacker News by mritchie712, 7 points and 3 comments. (source)

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  • tday.com: AI that turns your product into on-brand marketing content

Where else to launch Definite

  • Product Hunt ↗
    Self-promotion allowedFree
  • Indie Hackers Forum ↗
    Self-promotion allowed
    Audience: IndieHackers; bootstrapped solo founders sharing revenue and behind-the-scenes
  • Hacker News (Show HN) ↗
    Self-promotion allowed, within the community's rules
    Audience: Hacker News readers; engineers, technical founders, infra-curious people
  • Demand Curve ↗
    Self-promotion allowed, within the community's rules
    Audience: Slack community; tight-knit, pseudo-private peer group
  • No Code Founders ↗
    Self-promotion allowed, within the community's rules
    Audience: Slack community; tight-knit, pseudo-private peer group
  • OnlineGeniuses ↗
    Self-promotion allowed, within the community's rules
    Audience: Slack community; tight-knit, pseudo-private peer group
  • Product Makers ↗
    Self-promotion allowed, within the community's rules
    Audience: Slack community; tight-knit, pseudo-private peer group
  • ProductLed ↗
    Self-promotion allowed, within the community's rules
    Audience: Slack community; tight-knit, pseudo-private peer group

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