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Anthropic

Use Claude in your site's AI features, like a support assistant, writing tools or document analysis, with your own Anthropic account. Usage is billed to your Anthropic account.

Connect​

  1. Open Settings > Connectors, click Anthropic, then Connect.
  2. Go to platform.claude.com/settings/keys and click Create Key.
  3. Copy the key, paste it into API Key and click Connect.

WebTwizz checks the key with Anthropic before saving it. If Anthropic rejects it, you'll see Invalid API key.

What you see​

Anthropic in a project: the key works, the models it can use, account and model setting
  • Overview: The key works with a Working label, checked when you open it. Check again checks it now. Below that, Models this key can use. Usage opens your usage on Anthropic.
  • Account: the key, shown by its last four characters, with Replace key.
  • Settings: Model, used whenever your app doesn't ask for a specific one. Pick from Claude Sonnet 5.5 (Recommended), Claude Opus 5.5, Claude Fable 5.1 and Claude Haiku 4.5.

What the AI can do​

The AI checks that your key works and which models it reaches, then uses those exact model names in your code.

Environment variables​

  • ANTHROPIC_API_KEY: your Anthropic API key, server-side only
  • ANTHROPIC_MODEL: the default model, claude-sonnet-5-5 unless you pick another

Good to know​

  • Replacing the key under Account switches every project that uses it.
  • Removing Anthropic from a project takes both variables out. Your Anthropic account is untouched.