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This documentation is provided for informational purposes only and demonstrates how to configure and use our API with third-party AI chat interfaces. Any third-party software, websites, or services mentioned are not operated, controlled, or endorsed by us.

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Introduction to LobeChat

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LobeChat is an open-source, multi-modal AI chat platform and framework that serves as a unified interface for various large language models (LLMs). Designed as a personal AI “operating system,” it enables users to access, orchestrate, and interact with different AI models and tools through a single, cohesive interface. Key features include:
  • Multi-provider model support via OpenRouter protocol
  • Plugin ecosystem for extended functionality
  • Customizable conversation management
  • Cross-platform accessibility

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Step

1

Access LobeChat

Navigate to https://lobechat.com and authenticate using your preferred sign-in method (e.g., GitHub, Google, or email). Configure some account settings according to your own preferences.
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2

Navigate to AI Service Provider Settings

  1. Locate and click your user avatar in the top-left corner of the interface.
  2. Select “Settings” from the dropdown menu.
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  1. In the Settings panel, navigate to “Advanced” in the bottom-left sidebar.
  2. Enable Developer Mode.
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3

Configure RouterLink API Connection

Click Provider → OpenRouter, then configure the API Key and API Proxy URL:
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API Configuration Parameters
FieldContent
API KeyObtain one from RouterLInk
API Proxy URLhttps://router-link.world3.ai/api/v1
After entering the credentials, click the ”+” button adjacent to add a custom model configuration.
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Model Registration

Specify the model you wish to utilize. This example demonstrates configuration for Gemini 3 Pro Image Preview.
For optimal compatibility, please select API format: OpenAI.
Provider: world3-router-north-america
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Model ID Format:Enter the fully-qualified model ID:world3-router-north-america/google/gemini-3-pro-image-preview
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You can configure some settings here, then click “OK” at the end.
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Enable the Provider

Toggle the OpenRouter master switch in the top-right corner to enable the provider connection.
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4

Initiate a Conversation

  1. Click the Home button on the left sidebar and select a model under OpenRouter.
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  1. You can start using it now.
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Troubleshooting

IssueSolution
Authentication failedVerify your API key is correctly copied without leading/trailing spaces
Model not respondingConfirm the model ID matches the exact format from the RouterLink documentation
Connection timeoutCheck your network connectivity and ensure the API Proxy URL is correct