As AI assistants and automated software agents become more capable — able to browse, retrieve information, and complete multi-step tasks — a new question arises: under whose authority, and with what limits, should these agents be allowed to act online? Web4 refers to this category of automated, agent-driven activity as the Synthetic Web.
Rather than giving an AI agent broad, long-lasting access — the way a traditional access key often works — Web4 is designed so that agents act under narrowly defined, time-limited permissions tied back to the person or organization that authorized them. These permissions clearly state what the agent is allowed to do, for how long, and can be revoked at any time by the person who granted them.
This approach is intended to give people confidence that their automated agents remain accountable and within clear boundaries, rather than operating with open-ended access that is difficult to monitor or withdraw. It reflects a broader industry conversation about how to safely bring AI agents into everyday digital life, including work referenced by organizations such as the U.S. National Institute of Standards and Technology (NIST).