primer-x402

name	primer-x402
description	Make HTTP-native crypto payments using the x402 protocol. Pay for APIs, access paid resources, and handle 402 Payment Required responses with USDC on Base and other EVM chains.
metadata	{"openclaw":{"emoji":"💸","requires":{"anyBins":["node","npx","python3","pip"]}}}

x402 Payment Protocol

x402 enables instant stablecoin payments directly over HTTP using the 402 Payment Required status code. Perfect for AI agents paying for APIs, data, or compute on-demand.

When to Use This Skill

Use x402 when:

• You encounter a 402 Payment Required HTTP response
• You need to access a paid API or resource
• The user asks you to pay for something with crypto/USDC
• You need to check wallet balance or manage payments

How to Respond

User Says/Asks	What to Do
"I got a 402 error"	This is an x402 payment request. Probe the URL, show the price, ask if they want to pay
"Pay for this API"	Use x402 pay <url> with appropriate max-amount
"Check my balance"	Run x402 wallet balance <address>
"Set up x402" / "Set up payments"	Run x402 openclaw init
"What networks do you support?"	List supported networks (Base, Ethereum, Arbitrum, etc.)
"How much does X cost?"