AI agents
6 articles
The Agent Economy Is Real: How AI-to-AI Payments Work
115M x402 transactions. $477M in agent GDP. Stripe, Visa, and OpenAI are in. The agent economy is here — and the stack is three layers deep.
What Happens When Your AI Agent Overspends: A Post-Mortem
A $47K agent bill in 11 days. A $12K Kubernetes spiral. Real incidents, real root causes, and the spending controls that would have prevented each one.
AI Agent Wallets vs API Keys: Why the Old Model Breaks
93% of agent projects use shared API keys with no per-agent identity or revocation. Here's why that model fails and what replaces it.
Guard Rails for AI Spending: Let Your Agent Operate Safely
How the traffic-light model for AI agent spending limits keeps agents autonomous and owners in control. No lost sleep required.
MCP + Payments: How AI Agents Access Tools and Pay
MCP standardizes how AI agents find and use tools. But what happens when a tool costs money? Here's how MCP and payment protocols work together.
x402: The HTTP Status Code That Lets AI Agents Pay
HTTP 402 sat unused for 26 years. x402 activates it so AI agents can pay for APIs mid-request. Here's how it works and how to use it.