Claude turns away from API keys: temporary identities take over

Anthropic just broke with a habit as old as networked computing: the permanent access key. On June 17, 2026, the company behind Claude made a feature called Workload Identity Federation (WIF) available to everyone. In plain terms, your applications no longer need a long secret key that never changes in order to talk to Claude. They receive a temporary identity instead, valid for a few minutes, then gone on its own.

This sounds technical, but it addresses a problem every company that automates anything runs into: secret keys lying around. An access password pasted into a file, copied into an email, forgotten in a public code repository. That is exactly the kind of leak that ends up costing money. Here is what this Claude change means, in plain language, and why it is good news even if you are not a developer.

1. What is an API key?

When one of your applications wants to use Claude, say to summarize email, classify support tickets or write a draft, it has to prove it is allowed to. Until now, that proof took the form of an API key: a long string of characters starting with sk-ant-. Whoever holds the key can use the account. Full stop.

The trouble is that this key never changes on its own. It lives in a configuration file, in an automation tool, sometimes in several places at once. If a single copy ends up in the wrong spot, anyone can use it. These leaks are not rare: according to Snyk, millions of credentials were exposed publicly on GitHub in a single year. Anthropic is a partner in GitHub’s secret scanning program, which automatically spots sk-ant- keys published by mistake and disables them. Good protection, but it arrives after the leak, not before.

2. What does Workload Identity Federation change?

WIF flips the logic around. Rather than a permanent key, your application presents a signed identity token issued by a provider you already use: a cloud account (AWS, Google Cloud), a Microsoft Entra ID identity, Okta, GitHub Actions or Kubernetes. Claude verifies that token against rules you defined, then hands back temporary access, limited to what that application is allowed to do.

The difference is easy to summarize:

• Before: a permanent secret key, valid until somebody remembers to change it.
• Now: temporary access that expires in minutes and renews automatically as needed.
• Consequence: even if an access token is intercepted, it has already expired or is about to.

Anthropic also added the notion of service accounts. Each application gets its own identity, with its own rights and its own activity log, instead of ten tools sharing a single key. You know precisely who did what, and you can cut off one tool’s access without unplugging everything. For a company that wants to keep control of its automations, that is a clear gain, in the same spirit as the identity practices we deploy for clients through our managed IT services.

3. Why should a business owner be pleased about this?

You do not have to write any code to benefit from the idea. The principle behind WIF is exactly what we recommend across the board for small business security: fewer permanent secrets, more temporary and traceable access. It is the same philosophy as two-factor authentication or sessions that time out.

In practice, if your company starts connecting Claude to its tools (an assistant that answers clients, a bot that sorts documents, an agent that prepares reports), this change reduces three very real risks:

• Key leaks: there is no longer a durable secret to steal from a file, an email or an old project.
• Forgotten rotation: no need to remember to change the key every 90 days, since access renews itself.
• Blurred accountability: each tool has its own identity, so you see clearly who is reaching what.

For Quebec businesses adopting AI without a large internal IT team, this is the kind of detail that separates a solid integration from a door left ajar. It is precisely what we help put in place when a client calls to get their new AI tools under control, through our contact page.

4. A deeper trend, not a gimmick

This announcement did not arrive alone. Since the spring of 2026, Anthropic has been stacking up features aimed at businesses: service accounts, detailed audit logs, agents that run in controlled environments. The message is clear: Claude no longer wants to be only a handy tool, but a building block organizations can plug in under proper governance, like any other business software.

Anthropic gradually moving away from the old permanent key also sends a signal to the rest of the industry. Temporary identities have existed in cloud computing for years, but they are finally becoming the norm for AI tools. For you, that means the automations you set up today rest on healthier foundations than they would have a year ago. Build it right at the start and you avoid the security debt found too often in companies that automated in a hurry.

5. What to do now, even if you are not technical

No need to overhaul everything this week. But if Claude, or another AI tool, is starting to work its way into your operations, a few habits are worth their weight in gold:

1. Inventory your keys. Know which tools hold an access key and where those keys are stored.
2. Never put a key in an email or a shared file. That is the number one source of leaks.
3. Give each tool the minimum rights. A bot that reads email does not need the ability to delete everything.
4. Turn on activity logs. Being able to answer the question of who accessed what is the foundation of good security.
5. Get help. Moving to temporary identities takes some configuration, and it is exactly the kind of project an IT partner handles for you.

Frequently asked questions

Do you need to be a developer to benefit from Claude’s WIF?

For the technical setup, yes, someone has to configure the access rules. As an owner, though, you get the result: fewer permanent secrets, therefore less exposure to leaks. It is a security decision more than a programming task, and an IT partner can handle it.

Will my current API keys stop working?

No. Anthropic states that classic API keys keep working alongside WIF. You can migrate one tool at a time, at your own pace, without breaking anything. It is a gentle transition, not a forced change overnight.

Does this mean API keys are no longer safe?

A well-protected API key is still usable, but it demands discipline: keep it secret, change it regularly, never share it. Temporary identities remove much of that burden, because there is simply no durable secret left to lose. It is the principle of least risk applied to AI.

Securing AI at your company takes planning

Temporary identities arriving at Claude is good news, but mostly it is a reminder: adopting AI in a business is not only about picking a tool, it is about deciding how you connect it to the rest of your systems without opening a hole. At OKTO Solutions, we help businesses in Trois-Rivières, the Mauricie and across Quebec bring these tools in cleanly, with the right access, the right logs and the right protections. Have a look at our managed IT services or write to us directly through our contact page.