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docs-v2/manage/ai/providers/anthropic.mdx
2026-08-20 16:17:53 -04:00

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---
title: "Anthropic"
description: "Connect Anthropic as an AI Gateway provider"
---
An Anthropic provider forwards Messages requests to Anthropic's API. Attach it to an AI Gateway resource when you want Claude Code, Claude Desktop, OpenCode, OpenClaw, or any other Anthropic-compatible client to use your org's Anthropic key.
See [AI Providers](/manage/ai/providers/overview) if you haven't created a provider before. Field options are in [Provider Configuration](/manage/ai/providers/configuration).
## Defaults
| Setting | Value |
|---|---|
| Upstream URL | `https://api.anthropic.com` |
| Auth type | `x-api-key` |
| Capabilities | Anthropic Messages, Anthropic Models |
Anthropic Models (`GET /v1/models`) is answered from this provider's allow and block lists. See [Capabilities](/manage/ai/providers/configuration#capabilities).
## Configure
1. Sidebar → **AI Gateway** → **Providers** → **Create**.
2. Set **Provider Type** to **Anthropic**. Name, capabilities, upstream URL, and auth type fill in from the defaults above.
3. Paste your Anthropic API key.
4. Set **Allow** and **Block** lists. `*` allows every model key; `claude-*` is a typical narrower pattern.
5. Save, then attach the provider to an [AI Gateway resource](/manage/ai/overview).
Leave the upstream URL as the default unless you are pointing at a compatible Anthropic-style base URL.
<Tip>
Clients can send `anthropic-version` themselves. You can also set it as a [custom header](/manage/ai/providers/configuration#headers-and-tls) on the provider (`anthropic-version: 2023-06-01`). A header set on the provider is always sent upstream and overrides the same header from the client.
</Tip>
## Clients
| Client | Guide |
|---|---|
| Claude Code | [Setup guide](/manage/ai/configure-ai-clients/claude) |
| Claude Desktop | [Setup guide](/manage/ai/configure-ai-clients/claude-desktop) |
| OpenCode | [Setup guide](/manage/ai/configure-ai-clients/opencode) |
| OpenClaw | [Setup guide](/manage/ai/configure-ai-clients/openclaw) |