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Alternatives

Products that do what dupay.lol does

Post an idea. Let strangers price it in seconds

  1. 1
    Minipay77

    Payments for products with a unique link 🔗

    2018

  2. 2AS

    Hi HN! I made a really quick web app to help people validate their ideas. The app is a simple landing page builder, but every page includes a really simple Yes/No "Are You Interested?" poll. Every vote is recorded and tracked, and if they click yes they are brought to a page where they can submit an email. This makes validating ideas super easy because you can post your link to different communities and get statistically significant results as well as build an email list. Given an hour, you could easily create 50 different landing pages and be able to validate your ideas in bulk. The…

    2020

  3. 3

    Should my startup pay to advertise?

    2014

  4. 4
    Kopai92

    Share your expertise, and let our agents earn for you.

    Aug 2026 · usekopai.com

  5. 5
    20min122

    Ask & Pay Storefront for Experts and Creators

    2024

  6. 6

    Sell your startup with 1 line of code

    2024

  7. 7

    Set a deadline and a price. If you fail, you pay.

    2014

  8. 8

    Glassdoor for SaaS pricing.

    2017

  9. 9

    Let your customers build their own payment plans

    2017

  10. 10

    Build your own payments product fast with zero risk

    2014

  11. 11

    Ideas are cheap, execution is everything - prove it for $1

    2018

  12. 12MA

    Hi there, So a buddy a couple of days ago came up with the idea for a new SaaS product regarding gpt and image generation. We did a quick MVP that barely works, it breaks almost 50% of the time but we still wanted to validate the idea before going all in. We have almost 1k followers on Twitter together. Did a quick post describing the idea with a stripe link in the comments with a 5$ value, no landing page, and no shipped product. In exchange, the buyers become beta users. Around 30 mins later we got our first sale next 30 mins another 5$ and so on. Do we consider the idea validated? The…

    2023

  13. 13

    Validate Your SaaS Idea with Real Pain Points

    Jan 2026

  14. 14IS

    I'm tired of seeing founders building stuff for months and years that nobody would ever pay for. They just don't see it, like most other founders learn to do. Business validation = making money, and nothing else really. If you really wanna make money this year, I can help you do it.

    2025 · validatedsaas.com

  15. 15

    I built a tool (https://1mil.app/hn) to help me test my intuition about various weird business ideas that were on my mind. Initially, I wanted to create a database with 1 million business ideas (hence the name - "1 million opportunities"). But turned out to be a dumb idea already. So instead I built this tool that returns only 10 ideas. It's all based on your input, market + your background. The first release scored on demand only and it gave false confidence. So I rebuilt the the scoring around "winnability": can a solo founder with a specific background "win" against what…

    7d ago · 1mil.app

  16. 16VV

    Hi Hacker News! My name is Marcel, and I created Valideate.com Valideate is a quick way to validate your ideas so you can determine whether or not they are worth pursuing further. How does it work? 1. You can post your rough idea on Valideate for free, but it costs 1 point. 2. To earn 1 point, you have to vote on 5 other ideas. 3. That's it! Right now, anyone who registers will instantly earn 5 points, so you can validate 5 ideas immediately. I created this because I wanted a quick way to pulse check my own ideas, and I hope it solves your problem too. If you have questions or feedback, I'll…

    2022 · valideate.com

  17. 17GS

    I'm building a startup every 4 weeks. Startup #1 is a service where you can hire a virtual assistant for $2 per task, http://JFDI.ninja. For more about my project: http://4weekstolaunch.com

    2017

  18. 18IM

    Hello everyone. I'm a relatively new developer and I started my first project to go full production recently. It is a directory of payment processors and payment service providers. It's free to use and gives detailed info on their pricing, business model, supported business types, available countries, prohibited businesses and high risk business support. So far only 40 have been added with more to come. And I allow processors to contact me so that they're details can be added to the database. I'll eventually automate this and add verification the months to come. I hope you'll find it useful.…

    2025 · sourcefees.com

  19. 19AP

    I've noticed that in the IndieHacker space, there are two distinct groups of people. Group 1: Have a million ideas, a thousand unused domains in their registrar account, and 15 projects that they're currently working on. Group 2: Have the drive to start something, but for the life of them can't find a good idea to start working on. I wanted to try and make a tool on my site that will bridge the gap between these two groups. The idea is this: People from group 1 can list a combination of a domain, logo and business plan on the site. You can list it for sale on any platform such as Gumroad,…

    2021

  20. 20

    From Idea to Sales within 10mins. 0 Cost, 0 tech knowledge.

    12d ago · 10mins.co

  21. 21FR

    Hey HN! We're launching Founderpath today to help saas founders raise cash without diluting their company Instead of a merchant cash advance needing to be paid back within 6-12 months, our standard deal is 15% interest, 4 year payback, $200k check We get no equity, no warrants, no weird covenants, and don't require personal guarantees This cash is way cheaper than if you were to raise from a VC (normally diluting your equity pool by 20%+ and losing a lot of control via a board seat and veto powers) We're around all day today showing demos & answering questions over at…

    2020

  22. 22HM

    Thank you for taking some time to help me out! http://projectionable.herokuapp.com I just launched Projectionable at http://projectionable.herokuapp.com. My goal is to decrease the time it takes to get client approval for project estimates by making the estimates interactive for clients. I haven't set up Stripe yet (I'm setting up an LLC then I'll be on my way), and I'm trying to iron out the pricing strategy by the time I have that set up. Basically, I see three options: 1. Charge users to invite clients to a project. These are single transactions on a per project basis. 2. Offer monthly…

    2012

  23. 23

    Get paid by international clients with one simple link

    20d ago · simplepayment.io

  24. 24

    Find out what your market wants before you waste months

    21d ago · shouldbuild.io

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