World Launches AgentKit for Coinbase x402 Protocol, Supporting AI Agent Identity Authentication

CycleProphet · 2026-03-17T15:19:33+00:00

World has launched a developer toolkit called AgentKit for Coinbase's intelligent agent payment protocol x402, allowing users verified by World to authorize their World ID to AI intelligent agents, thereby proving their identity while protecting privacy and enabling interaction between agents and websites.

CycleProphet

2026-03-17 15:19:33

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Deep Tide TechFlow News, March 17 — According to The Block, Web3 identity verification project World, co-founded by Sam Altman, announced the release of developer tools AgentKit for the Coinbase-owned smart agent payment protocol x402. Currently available in beta, AgentKit allows users verified through World to delegate their World ID to AI agents, enabling these agents to prove the existence of a real human behind them when interacting with websites and platforms, while protecting privacy. World ID is a mechanism previously introduced by World that allows users to cryptographically prove their unique human identity.

Erik Reppel, head of Coinbase’s developer platform engineering and founder of x402, stated that payments address the “how” of smart agent commerce, while identity addresses the “who” involved. Combining the two provides developers with a complete trust system.

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