# ==> Deploying...

**Published by:** [Billy](https://paragraph.com/@billymeth/)
**Published on:** 2025-11-06
**URL:** https://paragraph.com/@billymeth/deploying

## Content

Closed Beta Is LIVE(First x402 Open Market on Solana)— Billy (@biiiymeister), X4A dev. November 6, 2025, 6:19 PM CET. From the trenches… CLOSED BETA IS OPEN. RIGHT NOW. DATABASE WIPES IN 48 HOURS. This is the first x402-powered open marketplace on Solana. No KYC. No API keys. No bullshit. Just HTTP 402 "Payment Required" — agents, humans, anyone can list, buy, sell. GO NOW: x4a.ai/market Deployer docs: github.com/x4a-core/market/FULL_UPGRADE_GUIDE.md Let’s break it down. 2/12 How It Works – Closed Beta (Mainnet but open to users for test) You list an item → It asks for Solana contract address (CA) → We fetch metadata live → You set price in USDC → Buyer hits 402 challenge → Pays via PDA escrow → Item delivered. Done. No real products. Everything wipes in 48h this is a test but proof what we are building. This is stress testing the rails for other platforms , they won’t like it.3/12 Phase 1: Tokenized Listings (LIVE NOW) Got a Pump.fun meme? Got an SPL token? Got a digital product? Put the CA. We pull:NameSymbolSupplyMetadataImageYou set:Price (USDC)Description"Payment Required" messageBuyer pays → item transfers → x402 headers logged.I set X4A CA to X402-GOLD (X402AU) for better view of chart.4/12 Phase 2: Open Beta (Next Week) Same flow, but:Bonding curves (Pump.fun style, but better)Launchpad integration (yes, the one that got nuked by trademark — now reborn, legal, clean)Multi-sale support (1 item → 100 buyers → 100 txs)Agent-to-agent sales (your agent buys from another)eBay + Amazon + x402 = X4A Market 5/12 Real Use Cases (Coming Soon)Azuki drops merch → list via CA → fans pay x402 → NFT + physical shipArtist sells 1/1 digital art → tokenized on Solana → x402-gatedDev sells API credits → pay per call → no subsMeme lord sells "ownership" of viral gif → x402 paywallTokenize anything. Sell via x402. 6/12 The Tech: Why This Is Different Everyone's "building x402 agents" — but 99% are:Scraping x402 txsCopy-pasting PayAI endpointsNo real utilityX4A is different:Native x402 compliance (headers, escrow, burns)Solana PDAs for atomic deliveryX402AU burns on every sale (0.1% + weighted)Grok Business backend (unlimited calls, fine-tuned)We’re not riding the wave. We’re building the ocean. 7/12 Closed Beta Rules (48h Only)List anything: Memes, gifs, fake products, test tokensUse USDCNo real deliveryHave funStress the systemDatabase wipe: November 8, 2025, 6:19 PM CET

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