ANTHROPIC_FOUNDRY_AUTH_TOKEN

Updated October 13, 2026 by Alex Sorokoletov

ANTHROPIC_FOUNDRY_AUTH_TOKEN is a Claude Code environment variable. Its release history is not tracked here. It is listed in the official reference.

Status	Present in v2.1.294
Category	Cloud providers
Official docs	Listed

How to set it

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

export ANTHROPIC_FOUNDRY_AUTH_TOKEN=<value>
claude

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

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

Related variables

ANTHROPIC_FOUNDRY_API_KEY: Foundry API key.
ANTHROPIC_FOUNDRY_BASE_URL: Custom Foundry endpoint.
ANTHROPIC_FOUNDRY_RESOURCE: Foundry resource name.
CLAUDE_CODE_SKIP_ANTHROPIC_AWS_AUTH: Skips credential resolution for the Anthropic AWS provider.
CLAUDE_CODE_SKIP_ANTHROPIC_GOOGLE_CLOUD_AUTH: The skip-auth companion to the toggle above, grouped in the auth-bypass list with SKIP_BEDROCK_AUTH, SKIP_VERTEX_AUTH, SKIP_FOUNDRY_AUTH, SKIP_ANTHROPIC_AWS_AUTH, and SKIP_MANTLE_AUTH.
CLAUDE_CODE_SKIP_FOUNDRY_AUTH: Skip Foundry authentication.
ANTHROPIC_AWS_API_KEY
ANTHROPIC_AWS_BASE_URL

Frequently asked questions

Which Claude Code version has ANTHROPIC_FOUNDRY_AUTH_TOKEN?

Its release history is not tracked here.

How do I set ANTHROPIC_FOUNDRY_AUTH_TOKEN?

Export it before starting Claude Code (export ANTHROPIC_FOUNDRY_AUTH_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.