X402

aiskillstore/marketplace-x402

>- x402 agentic payments using Coinbase's HTTP 402 protocol. Provides custody-free tools to pay x402-protected endpoints by building the EIP-3009 transferWithAuthorization payload, signing it, and assembling the X-PAYMENT header; call facilitator verify, settle, and supported operations; and monetize APIs by generating PaymentRequirements. Supports USDC on Base. Use for x402, HTTP 402, pay-per-request, agentic or machine payments, X-PAYMENT, transferWithAuthorization, EIP-3009, facilitators, API monetization, and agents paying for APIs.

This is a copy. The original lives at aiskillstore/x402.

3k tokens

context cost

the whole folder, loaded on every use

files

instructions only

copies elsewhere

how many repositories repackaged it

404

stars on the repo

on the repository, not the skill itself

Install

one command, takes just this skill from the repository

npx skills add https://github.com/aiskillstore/marketplace --skill x402

How to use it

Copy the folder

Take aiskillstore/marketplace-x402 from the repository into ~/.claude/skills for personal use, or into .claude/skills inside a project.

Check the name does not clash

The agent identifies a skill by the name field in its header. Two skills with the same name cannot sit side by side — one of them will be ignored.