API access, without passing the key around.
Applications and AI agents need access to services. That doesn’t have to mean giving each one the original provider key.
Active Key Protection keeps that key inside a controlled request path, where access can be checked, observed, and withdrawn.
Read the explanationWhat is Active Key Protection?
Active Key Protection is a cybersecurity approach that keeps raw provider API keys outside the applications and AI agents that use them, controls access through a protected request path, and makes that access observable and revocable.
The approach brings together established security practices, including credential brokering and least-privilege access. This guide explains how those practices apply when applications use provider APIs.
Understand the boundaryA key rarely stays in one place.
It starts in a configuration file. Then it may be copied into a deployment, printed in a debug log, or included in a snippet shared with an AI agent. Every copy creates another place to protect.
For supported integrations, a protection layer reduces the original keys needed in application runtimes. Teams can manage access through that layer while continuing to use scanning, rotation, and other security controls.
Compare the approachesWhere it helps when something goes wrong.
Recent incidents involving software dependencies and AI agents bring an old problem into focus: code that can read a powerful credential can hand that access to someone else.
- Less to steal in a supply-chain attack
- A malicious package or compromised build tool can look for secrets in its environment. Keeping the original provider key outside that environment reduces what it can steal. The replacement credential still needs restrictions and protection.
- Fewer secrets within an AI agent’s reach
- An agent can use a supported API without the original key in its files, environment, or context. That reduces one route to key exposure if the agent is manipulated. It does not stop prompt injection or misuse of the agent’s permitted access.
- Limits on API abuse and unexpected spending
- Where enforced, per-caller permissions, request limits, and spending caps can contain misuse of managed access. Activity records help a team investigate unusual use. Alerts alone do not stop requests or cap a bill.
- A way to cut off one compromised application
- With separate managed credentials, a team can withdraw the affected caller’s access through the protection layer while other callers continue working. If the original provider key has leaked, it still needs to be revoked or rotated at the provider.
These benefits depend on the controls an implementation actually enforces and on keeping the protection layer secure.
Read the recent examples and limitsWhat protection should provide
These principles help explain what a protection layer should do. Use them to ask specific questions about an implementation and understand its limits.
Read the evaluation guide- Separate
- Keep the original provider key outside the caller’s normal integration.
- Mediate
- Check access before a request reaches the provider.
- Constrain
- Give permitted access clear, enforceable limits.
- Observe
- Make activity understandable without recording secrets.
- Revoke
- Let operators withdraw access through the protection layer.
From the idea to a working system
A useful evaluation follows a real request: how the caller authenticates, which checks run, where the provider key is handled, and what happens when access is withdrawn.
See a practical exampleThe example illustrates the approach. Supported services, enforced controls, and operational limits depend on the implementation.