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Welcome
Developer Guide
API Guide
Claude Code
Resources
Release Notes
Build with

Learn how to get started with the Anthropic API and Claude.

Get started

Make your first API call in minutes.

API reference

Integrate and scale using our API and SDKs.

Anthropic Console

Craft and test powerful prompts directly in your browser.

Release notes

Learn about changes and new features in Claude and the API.

Upgrade to Claude 4

Upgrade to the latest model to access new tools and features available in Claude 4.

Features overview

Explore the advanced features and capabilities now available in Claude.

Anthropic Courses

Explore Anthropic’s educational courses and projects.

Anthropic Cookbook

See replicable code samples and implementations.

Anthropic Quickstarts

Deployable applications built with our API.