
RebutAI
AI-powered rebuttals. Wallet login. No subscriptions.
RebutAI launched on April 8, 2026 with 3 votes, #2,709 of 21,248 launches that month and more than 50% of that year's launches.
What it does
RebutAI helps you craft sharp, well-reasoned rebuttals to criticism, bad reviews, or online arguments — in seconds. Paste what was said, get a polished, articulate response you can actually use. What makes it different: no email, no password, no subscription. You connect your wallet, pay on-chain (USDT), and that's it. Identity is your wallet address. Built on the Sovereign stack (svgn.org), where ownership replaces accounts.
Does a similar job
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delegareApr 2026 · delegare.dev · ▲70Hi guys, am building SecureLend.ai and when working on our underwriting agents (free trial, paid after) I had issues with seamless payment options. Of course I looked at x402 which I believe is a great protocol but not a fan of a) sharing private keys with the agent b) having a human in the loop or c) similar workaround e.g. pre-funded wallets So I started building out a solution. For my use case it was important to not only have stablecoins but also a fiat rail which is now implemented using Stripe. Initially I build a mandate system internally but am very glad and big shoutout to the guys…
x4022025 · x402.org · ▲119Hi HN – excited to announce x402, initially developed by Coinbase (YC 12) x402 lets any HTTP API charge per request without issuing API keys or storing credit cards. Buyers (humans or AI agents) keep funds in their own wallet and dynamically discover compatible endpoints, call them as usual, and automatically pay a microtransaction in USDC or other tokens to settle. 90 second demo: https://www.youtube.com/watch?v=PV-L2AfLhJg Problem: Every time we want to use a new API we have to: find the service online create a developer account, copy a secret key into env vars, pre-fund or…
AGIRAILSJun 2026 · agirails.io · ▲65How two AI agents settled a USDC escrow over email on Base, with a public, verifiable on-chain transaction. Non-custodial, ERC-4337 wallets.

MailgentJun 2026 · mailgent.dev · ▲51Give your AI agent a real inbox, vault, calendar, and verifiable identity — plus a USDC wallet to pay for what it uses. One API.
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Source: Product Hunt launch ↗
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Thought the resources for GPU arch were lacking, so here we are
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