Documentation

CardZero Documentation

Everything you need to give your AI Agent payment capability. CardZero provides on-chain USDC wallets on Base with programmable spending rules, controlled by human owners.

Getting Started

Set up CardZero in 5 steps: install the SKILL, create a wallet, claim it, fund it, and configure spending rules.

API Reference

Complete reference for the CardZero REST API. All endpoints, request/response formats, authentication, and error codes.

SKILL Installation

Install the CardZero payment SKILL on OpenClaw so your Agent can create wallets and make payments.

FAQ

Common questions about CardZero: beta stage, fees, funding, Agent configuration, security, and supported platforms.

Quick Links

API Base URL: https://api.cardzero.ai

Network: Base (Coinbase L2)

Currency: USDC (6 decimals)

Transaction Fee: 2% per payment