x402 revives the long-dormant HTTP 402 Payment Required status code as a real payment protocol: pay per request, in stablecoin, verified and settled on-chain — no accounts, no API keys, no invoices. It is also permissionless: no allowlist, no registration, nobody to ask. Anyone can charge for a service, and anyone can pay for one.
Every x402 exchange has three roles:
This site runs all three: a facilitator, two paid endpoints acting as sellers, and the buyers that call them — the AI Image Generator and the assistant, which pay for every request you make from them. Because nothing here is gated, you can point your own seller at that facilitator instead of running one yourself.
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