CLAUDE_CODE_ARTIFACTS_API_TOKEN

Updated October 14, 2026 by Alex Sorokoletov

CLAUDE_CODE_ARTIFACTS_API_TOKEN is a Claude Code environment variable. Added between v2.1.219 and v2.1.221 and still present in v2.1.295. It is not in the official reference.

Status	Present in v2.1.295
Added	Added between v2.1.219 and v2.1.221
Category	Authentication
Official docs	Not listed

How to set it

For one session, export it in the shell that starts Claude Code:

export CLAUDE_CODE_ARTIFACTS_API_TOKEN=<value>
claude

To apply it to every session, add it to the env object of a settings file:

// ~/.claude/settings.json
{
  "env": {
    "CLAUDE_CODE_ARTIFACTS_API_TOKEN": "<value>"
  }
}

Release notes that mention it

Related variables

CLAUDE_CODE_MEMORY_API_TOKEN
ANTHROPIC_API_KEY: Primary API key for Claude API.
ANTHROPIC_AUTH_TOKEN: Alternative bearer token; takes priority over API key.
CLAUDE_CODE_API_KEY_FILE_DESCRIPTOR: File descriptor to read API key from.
CLAUDE_CODE_API_KEY_HELPER_TTL_MS: Cache TTL for API key helper.
CLAUDE_CODE_ENABLE_TOKEN_USAGE_ATTACHMENT: Attach token usage info to messages.
CLAUDE_CODE_IDLE_TOKEN_THRESHOLD: Works alongside CLAUDE_CODE_IDLE_THRESHOLD_MINUTES to gate when the idle-return prompt appears.
CLAUDE_CODE_MESSAGING_TOKEN: Controls access to the local inbox for cross-session messages.

Frequently asked questions

Which Claude Code version has CLAUDE_CODE_ARTIFACTS_API_TOKEN?

Added between v2.1.219 and v2.1.221 and still present in v2.1.295.

How do I set CLAUDE_CODE_ARTIFACTS_API_TOKEN?

Export it before starting Claude Code (export CLAUDE_CODE_ARTIFACTS_API_TOKEN=value), or add it to the "env" object in ~/.claude/settings.json to apply it to every session.

All variables, searchable: Claude Code environment variables.