What is the correct base URL for the Anthropic Claude API?
Select an answer to reveal the explanation.
Short Explanation
You want api.anthropic.com — that's the official API domain. It's not the OpenAI URL, not the consumer Claude site, and not api.claude.ai.
Full Explanation
The Anthropic Claude API base URL is https://api.anthropic.com/v1/. The primary endpoint for creating messages is https://api.anthropic.com/v1/messages. The OpenAI API base URL is a completely different company and service. The claude.anthropic.com/api/ URL would be for the consumer Claude.ai product, not the API. The api.claude.ai/v1/ URL is not the correct API URL. This is fundamental knowledge for any developer integrating with Claude.