
Holdfast — Payment Recovery for SaaS & Creators
Retries failed Stripe charges and recovers subscriptions with automated dunning sequences.
@Holdfast_app · X
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Retries failed Stripe charges and recovers subscriptions with automated dunning sequences.
@Holdfast_app · X

Provision Docker containers for AI agents on demand, pay per hour with USDC on Base.
z1z2z3 · HN
X402vps – Docker containers for AI agents, paid per hour with USDC

Connect your Stripe account to receive weekly emails highlighting revenue leaks from failed payments and churn risks.
@whismone · X

Set up recurring cryptocurrency subscription payments on the Stellar blockchain.
@recurra116 · X
Crypto Subscriptions at your fingertips on

Paste a contract address to detect Ethereum rug pulls and scams instantly.
@mik3fly__ · X
Here is mine: Check for scam before being scammed!

Create professional invoices, quotations, and receipts instantly without signup.
@nametsobuilds · X

Collection of 125+ free calculators for finance, health, legal, real estate, and travel—no signup required.
@Arafat3599651 · X
Just launched 🧮 125+ free calculators — mortgage, BMI, debt payoff, compound interest, calories & more. No signup. No ads. Everything runs in your browser instantly. #buildinpublic #webdev #react

Chat-based AI investigator that analyzes crypto transactions, profiles wallets, and traces stolen funds.
loopedcircuits · HN
AI Crypto Investigations/Research Agents

Enter your mechanic quote details to analyze pricing fairness.
@Himansh42661941 · X
I built QuoteShield — an early MVP for people who don’t know if their mechanic quote is fair. It gives: ✅ estimated fair price range ✅ red flags ✅ missing details ✅ questions to ask before paying Still testing the idea. Try it here:

Purchase international travel eSIM profiles with cryptocurrency, delivered instantly via QR code, no registration required.
@tigerfpvteam · X
Building - eSIM store for buying eSIM instantly without any registration. For now supports only crypto payments but It's only starting point :)

View Burger Money airdrop wallet statistics on this AI-powered dashboard.
@BurgersOnBase · X
I built my first app using @bankrbot. The Burger Money Airdrop Tracker. You can view up to date statistics on every wallet I’ve ever sent $BURGERS on Robinhood to right from this fancy dashboard! I have a lot more apps in mind that I want to build with Bankr too.

Free AWS bill scanner that runs in your browser with no signup or API keys required.
@malinuonuo · X
Day 1 live: I just shipped CloudSaver AI on Reddit. A free AWS bill scanner. No signup. No API keys. Runs entirely in your browser. Demo: #buildinpublic #aws #indiemaker