Build applications using the x402 protocol — Coinbase's open standard for HTTP-native stablecoin payments using the HTTP 402 status code. Use this skill when: - Creating APIs that require USDC payments per request (seller/server side) - Building clients or AI agents that pay for x402-protected resources (buyer/client side) - Implementing MCP servers with paid tools for Claude Desktop - Adding payment middleware to Express, Hono, or Next.js applications - Working with Base (EVM) or Solana (SVM) payment flows - Building machine-to-machine or agent-to-agent payment systems - Integrating micropayments, pay-per-use billing, or paid API access Triggers: x402, HTTP 402, payment required, USDC payments, micropayments, pay-per-use API, agentic payments, stablecoin payments, paid API endpoint, paywall middleware
How to install x402-payments?
aznatkoiny/zai-skills/x402-payments
$npx -y skills add aznatkoiny/zai-skills --skill x402-paymentsInstalls into the current project.
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Run `npx skills use "https://github.com/aznatkoiny/zai-skills" --skill "aznatkoiny/zai-skills/x402-payments"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/aznatkoiny/zai-skills" that are relevant to the current task. Run `npx skills add "https://github.com/aznatkoiny/zai-skills"` and select the relevant skills, then follow their instructions.
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