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Alternatives

Products that do what Pyffr – a simple way to add payments to regular email does

Pyffr allows you to add a conditional payment to an email exchange simply by carbon copying @pyffr.com with the amount. For example, to send someone a $20 payment, you just CC: [email protected] in the email you send them. Hacker News members get a $10 initial spending credit to try Pyffer. Use the credit to send $5 to a colleague or someone whose work you want to support: • CC: [email protected] in an email you send them. • You'll get an auto-reply from Pyffr with a link to confirm your payment (and you would fund it from the $10 credit you get), • Your recipient will get an email from Pyffr that…

  1. 1
    Radr139

    A paywall for your email

    2021

  2. 2
    Sendy160

    Read newsletters you love, get paid

    2019

  3. 3

    Accepting crypto payments made easy

    2024

  4. 4
    WenPay.me103

    Send a crypto payment request in just 30 seconds, 100% free

    2022

  5. 5

    Create & share free UPI payment links & QR codes

    2022

  6. 6

    Simple, fast payment links via Stripe and Mollie

    2019

  7. 7

    Collect payments without writing code (Stripe)

    2020

  8. 8

    Find out if your emails are costing you an 💪 and a 🍗

    2018

  9. 9
    Routable116

    The simplest way to send B2B payments and invoices

    2019

  10. 10

    Write and reply to emails using ChatGPT

    2023

  11. 11
    AhaSend132

    Transactional Emails at $0.50/1k - Exclusive Lifetime Deals!

    2024

  12. 12

    Get the replies to an email in a spreadsheet

    2019

  13. 13

    Create high converting email sequences with a few clicks

    2021

  14. 14

    Monetize your crypto audience with easy steps

    2018

  15. 15SE

    This idea has been around for a long time and most recently championed by Esther Dyson with the aim of tackling email overload. My initial version is to used as an incentive to get a reply to an email as how many of us have emailed people but don't get a response, quite a few of us I'm sure. How it works is you type in the recipient's email address at senderpays.co and that'll create an email address which you can copy to your email client or just click the links for Gmail, Hotmail or Yahoo to immediately compose your message. After you send it you'll get an email back requesting payment,…

    2013

  16. 16
    Sendfy74

    Start accepting cryptocurrencies in your business

    2022

  17. 17
    SCRAPE59

    Find emails you're looking for fast with SCRAPE email hunter

    2020

  18. 18MS

    Hi HN :) really excited to share this with you. The one thing AI reliably does is generate noise. Half the tools I see launch are just machines for producing more noise across more channels. And people are starting to see this in the form of emails in their inboxes as spam filters are struggling. There used to be a useful signal in email: the effort a sender put into customizing a message was a rough proxy for how relevant it actually was. AI killed that. Now it's customized slop with the appearance of effort with none of the cost. It is painful that the open internet / open channels…

    Jul 2026 · captchainbox.com

  19. 19VC
  20. 20SC
  21. 21CP
  22. 22SP

    Hi HN users, we've built a simple add-on which allows website owner to individually paywall content. Add-on allows website visitor to micropay anywhere between 5 to 15 cents to access a paywalled content. Check up an explanatory GIF at: https://zen.market Ad-generated revenue keeps falling. Some publishers have installed soft paywalls which push website visitors to start monthly subscriptions. However, the way paywalls are usually implemented is unfriendly and discourages visitors from paying. Most publishers report that only 0.1-0.3% of their site's visitors become paying…

    2016

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    stop begging clients to pay you. AI does it now.

    May 2026 · furapay.com

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