> ## Documentation Index
> Fetch the complete documentation index at: https://docs.release0.com/llms.txt
> Use this file to discover all available pages before exploring further.

# How to integrate Release0 with OpenRouter

> Learn how to configure OpenRouter for chat completions, enabling your chatbot to utilize various AI models seamlessly.

This guide explains how to configure a chat completion flow with any of the available GPT models in OpenRouter.

## 1. Configuring OpenRouter element

1. Open an account with OpenRouter
2. Navigate to the **API Keys** section and click on create a new API key
3. Copy the API key and paste it in the OpenRouter element

### Steps:

1. **Select Model**: For example you can use a free model like  `Google Gemma 3`.
2. **Provide Messages**:
   * Create a variable for storing **chat history** (e.g., `Chat history`).
   * Append user and assistant messages sequentially to ensure conversational context.

<Frame style={{ maxWidth: '600px' }}>
  <img src="https://mintcdn.com/release0-13d037a7/zvlYXMCad2PgakaD/images/elements/integrations/openrouter.png?fit=max&auto=format&n=zvlYXMCad2PgakaD&q=85&s=d3340e938a94cec95dbadeb8ac5751ca" alt="Release0.com - Agent image elements" width="643" height="429" data-path="images/elements/integrations/openrouter.png" />
</Frame>

#### Example Chat Flow:

* **User Input**: `{{User Message}}` (Captured via a “user input text” element).
* **Assistant Reply**: `{{Assistant Message}}` (Generated by the OpenRouter element).

**Set Variables**:

* Define the variable for appending the assistant response (`Append {{Assistant Message}} in Chat history`).