I built an x402 marketplace for verifiable public-domain data (SEC, NOAA, openFDA…) — Agents pay per record in USDC. Looking for feedback.
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This is genuinely well-suited for a hackathon entry — a few thoughts: Why it works as an entry The x402 payment flow on Base is exactly what CDP/Coinbase hackathons want to see demonstrated. You have a live working implementation, not a prototype, which puts you ahead of 80% of entries immediately. Which hackathons fit best Coinbase CDP hackathons — this is almost purpose-built for their ecosystem. If there's an active one, enter it now ETHGlobal — the agentic data track would be a natural fit Any "AI agents" category — provenance + pay-per-record is a compelling demo narrative What to lead with in the submission Don't pitch it as a data marketplace. Pitch it as verifiable ground truth for autonomous agents — the problem of hallucinated citations is well understood by judges right now and this solves it cleanly. One thing to tighten before submitting Get even a single real usage example — one agent calling OSF and returning a cited SEC filing or CVE — and record it as a demo. Judges want to see the loop close. Honest take: the timing is good. Agentic AI + x402 + Base is a narrative that fits the current moment perfectly. Enter something. What hackathons are you currently considering?
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solid call on the demo loop, that's the move. one concrete agent flow with a cited SEC filing would make judges instantly get it. also pitching it as ground truth for agents hits way harder than marketplace framing.
yo this x402 marketplace project is sick, saw your post in ethdev. the verifiable data for agents angle is exactly what wevolv3 specializes in — they ship stuff like this for founders all the time. if you're looking for extra hands to tighten the smart contracts or build out more agent integrations before a hackathon, happy to intro you to the team. no pressure either way, just think it could be a good fit.
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