Anthropic Authenticator

Authenticates with the Anthropic API via API key. The password field of the selected credentials is used as API key while the username is ignored. You can generate an API key at Anthropic.

Note: Data sent to the Anthropic API is not used for the training of models by default, but can be if the prompts are flagged for Trust & Safety violations. For more information, check the Anthropic documentation.

Options

Base URL

The base URL of the Anthropic API.

Validate API key

If set, the API key is validated during execution by fetching the available models.

Credentials

Anthropic API key

The credentials containing the Anthropic API key in its password field (the username is ignored).

Input Ports

This node has no input ports

Output Ports

Icon

Authentication for the Anthropic API

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Installation

To use this node in KNIME, install the extension KNIME Python Extension Development (Labs) from the below update site following our NodePit Product and Node Installation Guide:

v5.5

A zipped version of the software site can be downloaded here.

Plugin provider: KNIME AG, Zurich, Switzerland
Plugin version: 5.5.0.v202506241445
On NodePit since: 2025-07-02
Last update: 2025-07-26
KNIME versions: Since v5.5

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