agent-payment-x402

原文涵盖的主题

• Agent Payment Execution (x402)
• When to Use
• Decision Tree
• Supported Networks
• How It Works
• x402 Protocol
• Spending Controls
• Non-Custodial Wallets

Enable AI agents to make policy-gated payments with built-in spending controls. Uses the x402 HTTP payment protocol and MCP tools so agents can pay for external services, APIs, or other agents without custodial risk. Use when: your agent needs to pay for an API call, purchase a service, settle with another agent, enforce per-task spending limits, or manage a non-custodial wallet. Pairs naturally with cost-aware-llm-pipeline and security-review skills. Choose the integration path based on whether your agent is buying access to a paid API or charging others for one: | Need | Recommended path | |------|------------------| | Agent pays a 402-gated API on Base or another agentwallet-supported chain | Use agentwallet-sdk as an MCP payment server with strict spending policy | | Agent pays a 402-gated API on X Layer | Use OKX Agent Payments Protocol from okx/onchainos-skills; okx-x402-payment is a deprecated legacy alias | | Agent pays a 402-gated API on Solana or another x402 v2 network | Wrap the agent's HTTP client with the upstream @x402/fetch or @x402/axios package and register the EVM/SVM schemes; the resource server's facilitator verifies and settles | | API charges agents on Solana

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