Your session, on your machine.
Sign in directly inside the app's browser. The endpoint binds to 127.0.0.1 and supports local API-key authentication.
Claude-2-APIOne session.New connections.
Connect your own Claude web session to a local API on Windows. An experimental bridge for developers who like to explore how tools fit together.
Windows 10 / 11 · x64 · WebView201 / A LITTLE HANDS-ON
Get a feel for it.
An interactive, illustrative preview in your browser. The real application runs on your Windows desktop.
Your clientLOCAL WORKFLOW
Claude Bridge127.0.0.1:8081
Your sessionWEB SESSION
curl http://127.0.0.1:8081/v1/chat/completions \
-H 'Authorization: Bearer YOUR_LOCAL_KEY' \
-H 'Content-Type: application/json' \
-d '{"model":"YOUR_DISCOVERED_MODEL","messages":[{"role":"user","content":"Hello"}]}'Visual demonstration — no live API call.
ILLUSTRATIVE DEMO · PREPARED SAMPLE CONTENT · NO FILE UPLOADS
A familiar API shape.
Connect text clients through OpenAI-compatible endpoints, with model discovery and configurable request settings.
Profiles with their own space.
Named profiles keep saved browser sessions isolated. Select profiles, models, and connection settings inside the desktop app.
- 01
Install and check WebView2
The release installer includes .NET. Microsoft Edge WebView2 Evergreen Runtime is also required.
- 02
Connect your own session
Sign into Claude inside the app and use Connect Claude + start API. Select an available model.
- 03
Configure your local client
Create a local API key and use http://127.0.0.1:8081/v1 as the client base URL.
MAKE IT PART OF YOUR EVERYDAY
Get Claude-2-API.
Windows 10 / 11 · x64 · WebView2
MIT licensed
Independent experimental project. Uses undocumented web interfaces and is subject to website changes, account limits, and the provider's terms.
Is this the official Anthropic API?+
No. This is an independent, experimental project using undocumented Claude web interfaces. It is not affiliated with or endorsed by Anthropic.
Do I need an Anthropic API key?+
The web adapter uses your own signed-in Claude session. The local API key authenticates clients to the bridge and is separate from an Anthropic API key.
Can the website run the bridge?+
No. This page demonstrates the connection using sample data. Install the Windows app to run a local endpoint. Upstream website changes may break compatibility.