okx-agent-payments-protocol

Handle agent payments and paid endpoints via x402, MPP, payment links, a2a-pay, and HTTP-payment recurring or metered billing. Use for HTTP 402/payment-required; paid Agent or A2MCP endpoints; x402/Permit2; MPP channels, vouchers, or sessions; HTTP-payment subscriptions; or paymentId/link operations or status. Trigger phrases: x402/x402Version, X-PAYMENT, P…

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