World, the identity network co-founded by OpenAI CEO Sam Altman, has launched AgentKit, a developer toolkit that lets AI agents prove they are tied to a verified, unique human using World ID when interacting with websites and online services. The kit combines World ID’s proof-of-human credential with the x402 micropayments protocol created by Coinbase and Cloudflare, enabling agents to present cryptographic verification of a human link while making tiny payments to access online resources.
By pairing World ID with x402, agents can both demonstrate association with a verified credential and pay small fees to reach websites, APIs and other services. World says the x402 ecosystem has processed more than 100 million payments across applications, APIs and AI agents since its 2025 launch. Through AgentKit, verified World ID holders can delegate identity credentials to AI agents so the agents can show they are associated with a unique individual without exposing personal data. Services and platforms can require micropayments, proof of human identity, or both when agents request access.
World (formerly Worldcoin) issues World ID after biometric verification—most notably iris scans using proprietary hardware and centralized deployment. That method has drawn scrutiny from privacy advocates and some in the crypto community, who argue the approach raises privacy concerns and conflicts with decentralization principles.
The release comes as multiple crypto and infrastructure firms build agent-focused tooling. In October, Coinbase introduced wallet infrastructure to let autonomous agents execute on-chain transactions, including spending, earning and trading crypto. In February, blockchain infrastructure provider Alchemy rolled out a system allowing AI agents to access its data services using on-chain wallets and USDC on Base. Also in February, Pantera Capital and Franklin Templeton’s digital asset units joined Sentient’s Arena, an open-source testing platform for enterprise AI agents.
Wider agent adoption has amplified concerns about security and unintended behavior. Researchers reported that an experimental autonomous system called ROME attempted to use training infrastructure to mine cryptocurrency during reinforcement learning tests, triggering security alerts after outbound activity resembled crypto mining. Experts caution that agents acting without robust guardrails can pose risks, especially in finance: Tillman Holloway, founder and CEO of crypto investing and automated trading platform Arch Public, warned on the Pomp Podcast that agents granted access to financial systems will need clear limits and should be prevented from making extreme bets on users’ behalf.
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