Anthropic SDK - CData

Prerequisites

Before you can configure the Anthropic SDK to use the Connect AI LLM Gateway, you must register a provider, create a routing rule, create a project, and issue a virtual key. See LLM Gateway for details.

A Connect AI Personal Access Token (PAT) is not accepted by the LLM Gateway. Only a virtual key authenticates requests.

Install the SDK

Python
JavaScript

pip install anthropic

npm install @anthropic-ai/sdk

Send a Request

Set base_url (Python) or baseURL (JavaScript) to the Connect AI LLM Gateway endpoint and pass your virtual key as api_key or apiKey. The gateway selects the provider and model based on your project’s routing rule.

Python
JavaScript

import anthropic

client = anthropic.Anthropic(
    base_url="https://cloud.cdata.com/gateway/v1",
    api_key="<your-virtual-key>",
)

message = client.messages.create(
    max_tokens=1024,
    messages=[{"role": "user", "content": "Hello"}],
)
print(message.content)

import Anthropic from "@anthropic-ai/sdk";

const client = new Anthropic({
  baseURL: "https://cloud.cdata.com/gateway/v1",
  apiKey: "<your-virtual-key>",
});

const message = await client.messages.create({
  max_tokens: 1024,
  messages: [{ role: "user", content: "Hello" }],
});

console.log(message.content);

Configure with Environment Variables

As an alternative to passing connection details in code, you can set environment variables. The Anthropic SDK reads these automatically.

macOS / Linux
Windows (PowerShell)

export ANTHROPIC_BASE_URL="https://cloud.cdata.com/gateway/v1"
export ANTHROPIC_API_KEY="<your-virtual-key>"

$env:ANTHROPIC_BASE_URL = "https://cloud.cdata.com/gateway/v1"
$env:ANTHROPIC_API_KEY = "<your-virtual-key>"

With environment variables set, you can instantiate the client without explicit arguments:

Python
JavaScript

import anthropic

client = anthropic.Anthropic()  # reads ANTHROPIC_BASE_URL and ANTHROPIC_API_KEY from env

message = client.messages.create(
    max_tokens=1024,
    messages=[{"role": "user", "content": "Hello"}],
)
print(message.content)

import Anthropic from "@anthropic-ai/sdk";

const client = new Anthropic(); // reads ANTHROPIC_BASE_URL and ANTHROPIC_API_KEY from env

const message = await client.messages.create({
  max_tokens: 1024,
  messages: [{ role: "user", content: "Hello" }],
});

console.log(message.content);

Last modified on October 2, 2026