x402, a protocol incubated by Coinbase, launched Agent.market as an AI agent app store after saying its network has about 69,000 active agents and $50 million in transaction volume. Agent.market launched with seven service categories and integrates providers such as OpenAI, Bloomberg, CoinGecko, LinkedIn, X, and AWS Lambda. x402 said the protocol supports instant micropayments through blockchain and traditional payment channels and is governed as an open standard under the Linux Foundation.