Tagged: x402

3 articles

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.

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.

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.