Supported Networks#

Onchain OS Payment is OKX's reference implementation of Agent Payments Protocol, currently deployed on X Layer.

Currently supported#

X Layer is an EVM-compatible ZK Layer-2 network launched by OKX. Onchain OS Payment chose X Layer as the first chain because:

• Zero-gas experience: When paying with USDG / USD₮0, OKX covers the gas (see Gas Subsidy)
• Sub-second finality: On-chain transactions finalize quickly, supporting high-frequency AI Agent calls
• Full EVM compatibility: Existing EVM wallets and tooling work out of the box

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