Self-Promotion
p/self-promotionShow off what you're working on
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23d ago

Builders, creators, founders - what are you building?

Skip the formal intros Tell us what you're working on, what problem you're solving

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7mo ago

Building a zero-setup API debugger, would love feedback

Hey PH

I'm working on toran, a live API inspection tool that works with just a URL swap. No SDK, no proxy config, no cert setup.

The problem - I couldn't see what my code was actually sending to third-party APIs. Debugging meant console.logs everywhere or messing with Charles/Proxyman certs.

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24d ago

NoteVault: a real notepad app hiding an encrypted vault behind a secret word

We built NoteVault because private photos, videos, and documents should not be obvious on your phone.

Most hide apps just move files into a hidden folder or use a fake calculator disguise. NoteVault is different: it looks and works like a genuine Material 3 notes app, and only reveals the encrypted vault when you type your secret trigger word in the search bar.

What makes it different:

  • 100% offline, zero cloud, zero accounts

  • AES-256-GCM encrypted vault

  • Real notes app on the outside, private vault on the inside

  • Fingerprint, PIN, pattern, and password unlock

  • Multiple isolated vaults

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23d ago

I turned my offline CSV cleaner into a $19 done-for-you cleanup service

After launching CSV Cleanroom, I learned that some people do not want another tool they want one recurring export fixed and documented.

I am testing a small, privacy-first service: send the headers and 5 10 anonymized rows from one CSV structure, plus the problem you want eliminated. I will return a cleaned example, exact header mappings, validation and deduplication rules, and a short quality report. One revision is included.

The scope is deliberately narrow: one structure, up to 30 columns, with no confidential or identifying data. Delivery is within 3 days and the price is $19 once.

https://www.sellifystore.com/csv...

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3mo ago

Harbor Bridge is launching on Product Hunt today — DeepSeek V4 API at a fraction of GPT-5 pricing

Launching Harbor Bridge on Product Hunt today and would love your support!

Harbor Bridge gives developers OpenAI-compatible access to DeepSeek V4-Flash and V4-Pro. Drop it into any existing project by swapping one line pay in USD via Stripe, no friction.

Significantly cheaper than GPT-5.4 and 5.5, worth checking if you're running anything at volume.

Would love any upvotes, feedback, or questions on the launch page!

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24d ago

Agencies, freelancers & developers: how do you actually handle client documentation?

Every client project I've worked on ends the same way: documentation. Setup guides, handoffs, "how do I edit my own site" walkthroughs. Screenshots into a doc, tidy it up, export a PDF that's outdated by the next change. It's real work and usually the unpaid, unloved kind.

What I can never quite tell: does everyone just accept this as part of the job, or have some of you found genuinely good ways to make it less painful?

So I'm curious how you all handle it

  • What do you use today: Notion, Confluence, Google Docs, Loom (or video walkthroughs in general), PDFs, something custom?

  • What's the worst part: writing it, keeping it up to date, or making it look professional for the client?

  • Do clients actually read it, or does it vanish into an inbox?

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23d ago

agent-eval: Statistical regression testing for LLM agents

Hi Everyone!

@rudrendu_paul_ai and I are officially soft-launching a new OSS solution, agent-eval, today.

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24d ago

How much information is too much for a focused dashboard?

Hi Product Hunt!

I m building Gold Dashboard at TR-MATE Global, a research-first XAUUSD dashboard.

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7mo ago

Building AI-powered crypto trading tools — need your honest feedback

Hey Product Hunt community!

I've been building Sublime Traders for 7+ years, and we just launched a complete AI platform for crypto traders. I'd love your honest feedback on the concept and execution.

The problem i'm trying to solve: Most crypto traders lose money not because of bad analysis, but because of poor risk management, emotional decisions, and lack of systematic planning. Trading groups just spam signals without teaching you how to trade.

What I built:

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24d ago

Built a Modern Social Media App. 3,000+ registered users in Just 2 Months šŸš€ ⭐

2 months ago, PairUp.chat was just an idea.

Today we've crossed:
3,000+ registered users
20,000+ website visits

A growing community discovering friends through shared interests not endless swiping.

Most social apps optimize for engagement.

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