A new toolkit links AI agents to cryptographic identity and micropayments, aiming to prove that automated actions online are backed by real humans. Posted March 17, 2026 at 11:00 am EST. World , the digital identity project co-founded by OpenAI CEO Sam Altman, has launched AgentKit , a developer toolkit designed to help AI agents prove they are backed by a real human when interacting online. The beta product integrates with x402 , an open protocol developed by Coinbase and Cloudflare that allows automated agents to make micropayments when accessing websites, APIs and services. The goal is to address a growing challenge as AI agents begin performing tasks that once required humans, such as booking reservations or shopping online. Platforms often treat automated traffic as suspicious, blocking it outright. AgentKit connects agents to World ID , a system that uses cryptographic verification to confirm that an individual is a unique human without revealing their identity. According to World, this allows developers to build what it calls “human-backed agents.” This story is an excerpt from the Unchained Daily newsletter . Subscribe here to get these updates in your email for free “ Payments are the ‘how’ of agentic commerce, but identity is the ‘who,’ ” said Erik Reppel , head of engineering at the Coinbase Developer Platform and founder of x402. He said combining payments with identity verification creates a “complete trust stack” for AI agents operating online. DC Builder , a research engineer at the World Foundation , said the challenge is distinguishing legitimate agents from automated bot networks. “ Proof of human addresses this gap by allowing websites to verify that an agent represents a unique person without revealing who that person is. ” World says its network currently includes about 18 million verified users across more than 160 countries .