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For the complete documentation index, see llms.txt. Markdown versions of all docs pages are available by appending .md to any docs URL.

Basic authentication

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Configure simple username and password authentication for your routes.

Attaches to:

Route

Note

Agentgateway supports more than one configuration style. Where a feature can also be configured in the simplified llm or mcp modes, the examples on this page show each option in tabs. For more information, see Routing-based configuration.

Basic authentication enables a simple username/password authentication mechanism.

Warning

Basic authentication is not generally recommended for production use. At a minimum, use basic authentication along with TLS encryption.

The htpasswd field specifies the username/password pairs. See the htpasswd documentation. The realm field, optionally, specifies the realm name returned in error responses.

Additionally, authentication can run in two different modes:

  • Strict: A valid username/password pair must be present.
  • Optional (default): If a username/password pair exists, validate it.
    Warning: This allows requests without a username/password pair!
# yaml-language-server: $schema=https://agentgateway.dev/schema/config
llm:
  policies:
    basicAuth:
      mode: strict
      # Generated with `htpasswd -nb -B user1 agentgateway`
      # You can also use:
      # htpasswd:
      #   file: /path/to/htpasswd
      # With inline configuration, $ must be escaped to $$.
      htpasswd: |
        user1:$$2y$$05$$LMZ.8WGNqvagmtJz2Gw6VuiE6khXc2zc0FDTHrfWJyLT66HM8BMAa
      realm: example.com
  models:
  - name: "*"
    provider: openAI
    params:
      apiKey: "$OPENAI_API_KEY"

Now to send requests, include the username and password.

curl http://user1:agentgateway@localhost:3000
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