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x402

Implement the x402 payment protocol v2 for server-to-client transactions via HTTP headers.

4|Updated Feb 5, 2026
Search Tags:#micropayments#x402#payment protocol#eip-3009#web3 payments#facilitator
One-click install
npx skills add https://github.com/TheGreatAxios/armory --skill x402-thegreataxios
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: x402
Source: https://github.com/TheGreatAxios/armory/tree/main/.agents/skills/x402
Command: npx skills add https://github.com/TheGreatAxios/armory --skill x402-thegreataxios

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill enables seamless, secure, and efficient internet-native payments for digital resources and services, streamlining transactions between clients and servers.

Core Features & Use Cases

  • Protocol Implementation: Supports the x402 payment protocol (v2) for server-to-client payments via HTTP headers.
  • Multi-Chain & Multi-Token: Facilitates payments across various blockchain networks and supports multiple token standards.
  • Use Case: A content provider can use x402 to charge users a small fee for accessing premium articles, with payments handled automatically via HTTP headers.

Quick Start

Use the x402 skill to process a payment for accessing premium API data.

Frequently Asked Questions about x402

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I implement web3 micropayments for digital resources via HTTP?▼

The x402 payment protocol facilitates internet-native micropayments by handling server-to-client transactions through HTTP headers. It supports charging exact amounts for digital resources across multiple blockchain networks like EVM, SVM, and Sui.

What is the x402 payment protocol and how does it work?▼

The x402 payment protocol (v2) enables internet-native payments by processing server-to-client transactions directly through HTTP headers. It uses schemes like 'exact' to specify payment amounts and supports extensions for authentication and gas sponsorship.

Does the x402 protocol support multi-chain web3 payments across different networks?▼

Yes, the x402 payment protocol supports multi-chain web3 payments across EVM, SVM, and Sui networks. It facilitates transactions using various token standards while handling specific payment amounts through the 'exact' scheme.

Can I use HTTP headers to facilitate server-to-client payments for premium API data?▼

Yes, the x402 payment protocol enables server-to-client payments for premium API data directly via HTTP headers. Resource servers and facilitators can automatically process transactions when clients request access to digital resources.

How do I integrate a facilitator into a web3 payment flow?▼

You integrate a facilitator into a web3 payment flow using the x402 protocol, which defines specific integration points for resource servers, clients, and facilitators. Facilitators help process transactions, authentication, and payment identification across supported networks.

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