Glossary
Human-in-the-loop (HITL)
A control pattern where a person must approve or reject a system's action before it takes effect. For AI agents, it means pausing an irreversible action until a human decides, rather than letting the agent act unchecked.
Related terms
- Approval-as-an-API
A hosted service that adds a human approval step to any action through a single API or SDK call — handling routing to a …
- Approval by exception
A policy model where most actions proceed automatically and only exceptions — high amounts, sensitive scopes, risky agen…
- Fail-closed
A safety default where any unknown, missing, or malformed input resolves to the restrictive outcome. In an approval gate…