x402 Bazaar

Coinbase's x402 Bazaar, a marketplace where AI agents pay for API calls with stablecoin micropayments, now lists 34,768 paid endpoints. A test buying a single call from 100 sellers found most delivered, but quality and reliability vary widely, prompting a cottage industry of trust scores aiming to rate sellers. The experiment highlights both the protocol's rapid growth and the trust problems facing machine-to-machine payments.