Architecture

1. System Architecture

x402Labs consists of five composable layers:

Layer	Description
x402LabsSDK	Client SDK for handling Solana micropayments and x402 integration.
x402LabsNode	API Gateway that enforces HTTP 402 payment challenges.
x402LabsVerifier	Solana smart contract validating on-chain payments.
x402LabsRegistry	On-chain registry of AI providers and pricing schemas.
x402LabsDAO	Governance module managing upgrades, fees, and treasury.

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