cryptorefills-x402

Name: cryptorefills-x402
Availability: InStock
Author: Cryptorefills

Facilitate machine-to-machine USDC payments via the x402 protocol on Ethereum or Solana.

2|Updated Apr 14, 2026

Search Tags:#Ethereum #agent commerce #x402 #USDC #Solana #cryptorefills #autonomous payments

Ready to run

npx skills add https://github.com/Cryptorefills/agents --skill cryptorefills-x402

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: cryptorefills-x402
Source: https://github.com/Cryptorefills/agents/tree/main/skills/cryptorefills-x402
Command: npx skills add https://github.com/Cryptorefills/agents --skill cryptorefills-x402

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill enables autonomous agent commerce through crypto payments without requiring accounts or API keys.

Core Features & Use Cases

Automated crypto transactions: Purchase gift cards, top-ups, and eSIMs on behalf of AI agents.
Multi-rail support: Operates on Base (Ethereum) or Solana mainnet, selecting the best settlement method without user intervention.
Use Case: Automate procurement of digital gift cards using USDC on either Base or Solana, with no gas or native asset required.

Quick Start

Use the cryptorefills-x402 skill to initiate an autonomous purchase of a $25 Amazon gift card via USDC on the Base network.

Frequently Asked Questions about cryptorefills-x402

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

FAQPage Schema

How do AI agents make autonomous crypto payments without API keys?▼

AI agents make autonomous crypto payments using the x402 protocol to facilitate direct machine-to-machine USDC transfers on Ethereum or Solana without requiring accounts or API keys. This enables secure, direct settlement for digital goods procurement.

What is the x402 protocol for agent commerce?▼

The x402 protocol is a payment standard enabling autonomous AI agent transactions. It supports zero account setups and crypto-native settlement methods, ensuring secure direct USDC transfers with strict transaction instructions on Base or Solana.

How do I automate gift card purchases using USDC for an AI agent?▼

To automate gift card purchases using USDC, use the cryptorefills-x402 skill to initiate transactions on either Base or Solana. The skill selects the best settlement rail automatically, requiring no gas or native asset to procure digital goods.

Does the x402 protocol work with Solana and Base networks?▼

Yes, the x402 protocol works with both Solana mainnet and Base (Ethereum). It supports multi-rail operations, automatically selecting the best settlement method for USDC transfers without requiring user intervention or native gas assets.

Can I use partial-signed transactions for autonomous agent payments on Ethereum?▼

Yes, autonomous agent payments on Ethereum are compatible with web3 tools and partial-signed transactions. The x402 protocol ensures secure USDC transfers using crypto-native settlement rails with minimal dependencies and strict transaction instructions.

What are the limitations of using x402 for machine-to-machine settlements?▼

x402 machine-to-machine settlements require USDC on either Base or Solana mainnet and do not support native gas assets. Transactions are constrained by strict transaction instructions and compatibility with partial-signed web3 tools.