AI Agent Payments: Wallets, Protocols & Infrastructure
The go-to resource for developers and builders who want to understand and build on AI agent payment infrastructure.
AI Agent Wallets
Co-wallets, virtual cards and spending controls for autonomous AI agents.
AgentCard: Disposable Virtual Cards for AI Agents
AgentCard issues single-use virtual cards on demand — amount-locked, auto-closed after use, with full audit trail tied to agent identity.
API Key vs AI Agent Wallet: What's the Difference?
API keys handle authentication — not spending. Learn why autonomous agents need a financial control layer, and when to use an API key vs an agent wallet.
How to Set Spending Limits for Your AI Agent
Giving an AI agent payment access without spend controls is a liability. Learn 3 methods to set hard limits — from API key scoping to agent-native wallets.
What Is an AI Agent Wallet?
An AI agent wallet lets autonomous agents pay for services independently — within spend limits you control. Learn how it works, how to set one up, and key risks to manage.
MCP & API Payments
Let AI agents discover, pay for and access your MCP servers and APIs.
Agent Commerce & Protocols
x402, AEP2, A2A and the infrastructure powering agent-to-agent transactions.
