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Claude incident response

Shared an API key with Claude? What to do next

If you shared an API key with Claude or Claude Code, rotate the exposed key, check where it was used, and move future Claude workflows to scoped runtime access.

Answer target

What should I do if I shared an API key with Claude?

Updated June 25, 2026

Short answer

Treat the key as exposed if it reaches real systems. Revoke or rotate it, create a scoped replacement, update the real runtime that needs it, and avoid sending the replacement value back through Claude chat.

What to do now

If the key belongs to a real account, rotate it. Then update the legitimate app or workflow and check provider usage or billing for activity after the paste.

  • Rotate the exposed provider key.
  • Replace it in the app, CLI, or local workflow that actually needs access.
  • Check recent provider usage, billing, and logs where available.
  • Do not paste the replacement value into Claude.

Better pattern

For Claude Code or another Claude-driven workflow, create a named agent identity and grant it only the credential required for the current project. The agent resolves the key at runtime instead of receiving it in chat.

Avoid

Avoid using one human API key for every Claude workflow, storing production keys in project files, or treating a deleted chat message as a complete cleanup step.

Example

If Claude Code needs a Supabase key for one repo, grant the Claude Code agent that one project secret and keep Stripe, GitHub, or production database credentials outside its reach.

Try this with one key

  1. 1.Store one API key.
  2. 2.Create one agent identity.
  3. 3.Grant only that key.
  4. 4.Resolve it at runtime.
  5. 5.See the audit entry.

No card required.

Give Claude one scoped secret

Why a shared Claude key should be treated as exposed

A credential pasted into a Claude conversation may become part of the working context, logs, transcripts, screenshots, or copied follow-up prompts. Even if there is no visible misuse, the clean operational answer is to rotate the key and stop depending on that value.

Claude Code needs access, not raw keys in chat

Claude Code is valuable because it can work across files and commands. That same capability means a credential workflow should be explicit: one agent identity, one project boundary, direct grants, runtime resolution, and audit history.

Make the next grant narrow

The replacement should not become a broader all-purpose credential. Store it centrally, assign it to the right project, and grant Claude only the key it needs for the current job.

Practical workflow

  1. 1Rotate the shared keyInvalidate the value that appeared in Claude and create a scoped replacement.
  2. 2Update the real consumerChange the app, CLI, CI job, or local runtime that legitimately needs the key.
  3. 3Provision Claude Code safelyUse a short-lived setup prompt or runtime-specific secure store for agent access, not a provider key in chat.
  4. 4Review access laterUse audit history to see when the Claude agent resolved the credential and revoke the grant when the work is done.

Shared with Claude vs Granted to Claude agent

TopicShared with ClaudeGranted to Claude agent
ExposureThe provider key is in the conversation.The provider key stays in managed custody.
ScopeClaude may receive whatever value the human copied.Claude resolves only directly granted project secrets.
CleanupYou have to remember where the value was pasted.Revoke the grant or rotate the stored value centrally.

Frequently asked questions

Is it safe to share an API key with Claude?

It is safer not to share raw provider keys in chat. If a real key was shared, rotate it and use scoped runtime access next time.

Does Claude Code need API keys to do useful work?

Sometimes it does need live credentials to test or operate real workflows. The safer question is how to grant that access without placing the raw value in the conversation or repo.

What should I use instead of pasting a key into Claude?

Use a named Claude agent identity with direct grants to only the secrets required for the project, then resolve those secrets at runtime and audit each use.

Where ScopeHold fits

ScopeHold lets Claude and Claude Code workflows get real work done with live credentials while keeping provider secrets out of chat, local files, and broad human accounts.

Sources and reference notes