Startups
Promotion Conditional
r/buildinpublic
Communities for startup founders, from idea validation to scaling.
Promotion Verdict
Sharing your work must focus on progress, lessons, or feedback rather than standalone promotion. Paid, free, or affiliate-linked tools must be disclosed.
Official subreddit rules reviewed July 13, 2026. Rules can change and moderators have final say.
Read the official live r/buildinpublic rulesBest Post Formats for r/buildinpublic
1
Startup journey updates
2
Feedback requests on MVPs
3
Technical architecture decisions
4
Fundraising experiences
5
Pivot stories
Marketing Strategy
Before You Post
- Spend 1-2 weeks engaging with existing posts before promoting anything
- Build karma by providing genuinely helpful answers
- Study top posts to understand what resonates with this community
Content That Works
- Share your journey and lessons learned (build in public)
- Ask for genuine feedback on specific aspects of your product
- Provide value first - educational content performs best
What to Avoid
- Direct promotional posts without providing value
- Posting the same content across multiple subreddits
- Using multiple accounts to upvote or comment
Topics & Tags
Building in publictransparency