> For the complete documentation index, see [llms.txt](https://docs.nexos.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.nexos.ai/gateway-api/integrations/proxyai.md).

# ProxyAI Integration

Learn how to connect nexos.ai to IntelliJ using the ProxyAI plugin, including installation, provider configuration, and chat and code completion setup.

This guide details how to integrate **ProxyAI** with JetBrains IDEs (IntelliJ, PyCharm, WebStorm) to enable AI-powered chat and code completions using nexos.ai models.

## What is ProxyAI?

ProxyAI is an AI-powered coding assistant that integrates with JetBrains IDEs (IntelliJ IDEA, PyCharm, WebStorm, and others).

It supports OpenAI API–compatible provider configuration, allowing you to connect to any OpenAI-compatible endpoint by supplying a custom base URL and API key.

## Prerequisites

* You can use any OpenAI compatible model or assistant.
  * To check what models are available for you, call [Gateway API Models](https://docs.nexos.ai/gateway-api/models) You can use either `nexos_model_id`or `id` as model.
  * To check what AI agents are available for you, call [Agent Management](https://docs.nexos.ai/gateway-api/agent-management).
* As an API URL you should use this URL: **<https://api.us.nexos.ai/v1/chat/completions>**

## Install ProxyAI plugin

1. Open Intellij IDE, go to `Settings` -> `Plugins`
2. From top bar choose `Marketplace`
3. Type `ProxyAI` in search bar
4. Click `Install` next to the ProxyAI plugin name and wait till installation ends

   <figure><img src="https://4112003433-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FDcOhapgXnoeDvgGQ8Jm4%2Fuploads%2FMdAYZbXo19pIAKYRjgTM%2FScreenshot%202025-11-30%20at%2023.31.05.png?alt=media&amp;token=d5797e73-73e3-4861-b551-52b34b9cd38c" alt="JetBrains IDE Marketplace settings showing ProxyAI plugin search result with Install button."><figcaption></figcaption></figure>
5. Restart IDE

## Configure ProxyAI plugin

1. Open Intellij IDE Settings
2. Go to `Tools` -> `ProxyAI`

   <figure><img src="https://4112003433-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FDcOhapgXnoeDvgGQ8Jm4%2Fuploads%2F4WXzy85XRvtkiWSnBRAE%2FScreenshot%202025-11-30%20at%2023.35.28.png?alt=media&amp;token=27dffa48-d16c-4f92-a98b-3f4f5322719d" alt="ProxyAI settings page under Tools with Display name field set to &#x22;sredni&#x22;."><figcaption></figcaption></figure>
3. Add Nexos provider in `Providers` -> `Custom OpenAI`

* On the right side you can click `+` (Add)
* In Provider setting section choose either OpenAI or OpenRouter
* Put Provider name
* Paste Nexos API key

<figure><img src="https://4112003433-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FDcOhapgXnoeDvgGQ8Jm4%2Fuploads%2FACuSIgiaMSk3CEBjYftP%2FScreenshot%202025-11-30%20at%2023.44.39.png?alt=media&amp;token=fd5146ad-a636-4010-99df-4c07919f804d" alt="Custom OpenAI provider setup screen with Nexos provider name and API key field."><figcaption></figcaption></figure>

4. &#x20;In `Chat Completions` tab

* Paste API URL
* Paste Nexos model id in `Body` tab
* Click `Test Connection` to see if everything works

<figure><img src="https://4112003433-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FDcOhapgXnoeDvgGQ8Jm4%2Fuploads%2F7xdLGGbm8iwlqg37nMvI%2FScreenshot%202025-11-30%20at%2023.48.53.png?alt=media&amp;token=104a4fee-4264-4d57-a3c1-18795c7d4c49" alt="Chat Completions tab showing Nexos API URL, model ID, and successful test connection."><figcaption></figcaption></figure>

5. In `Code Completions` tab

* Check `Parse response as Chat Completions`
* Choose `Chat-based FIM` as `FIM template`
* Paste API URL
* Paste Nexos model id in `Body` tab
* Click `Test Connection` to see if everything works

<figure><img src="https://4112003433-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FDcOhapgXnoeDvgGQ8Jm4%2Fuploads%2FXJtZfeuz4iDwXk7Smqkn%2FScreenshot%202025-12-01%20at%2000.02.22.png?alt=media&amp;token=8ef65515-60a8-4aef-9141-762934f4c9ea" alt="Code Completions tab with Parse response as Chat Completions enabled and Chat-based FIM selected."><figcaption></figcaption></figure>

6. Choose newly added Nexos model in `Models` for all types of requests (tip: you can add more Nexos providers with different models for different types of requests)

<figure><img src="https://4112003433-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FDcOhapgXnoeDvgGQ8Jm4%2Fuploads%2FJYwpL5NMsVPnOiSsPj5y%2FScreenshot%202025-12-01%20at%2000.05.47.png?alt=media&amp;token=b93aca18-5f52-4683-b82a-99149b25747c" alt="Models settings page showing Nexos provider selected for Chat, Auto apply, Commit messages, Inline edit, and Name lookups."><figcaption></figcaption></figure>

7. Click `Apply` and `OK`
8. Open ProxyAI chat window and ask anything about your code.

<figure><img src="https://4112003433-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FDcOhapgXnoeDvgGQ8Jm4%2Fuploads%2Fpv6WskV0FHqXFa07EN7n%2FScreenshot%202025-12-01%20at%2000.11.35.png?alt=media&amp;token=6665a283-98dc-4514-9e32-a2514c91c6e4" alt="ProxyAI chat window in JetBrains IDE showing default welcome message and prompt input field."><figcaption></figcaption></figure>

## FAQ

### Which other integrations are available in nexos.ai Gateway?

nexos.ai Gateway supports integrations with the following coding tools:

* [CrewAI](https://docs.nexos.ai/gateway-api/integrations/crewai)
* [Codex CLI](https://docs.nexos.ai/gateway-api/integrations/codex-cli)
* [OpenCode](https://docs.nexos.ai/gateway-api/integrations/opencode)
* [Claude Code](https://docs.nexos.ai/gateway-api/integrations/claude-code)
* [Claude Cowork](https://docs.nexos.ai/gateway-api/integrations/claude-cowork)
* [Bubble](https://docs.nexos.ai/gateway-api/integrations/bubble)
* [GitLab CI](https://docs.nexos.ai/gateway-api/integrations/gitlab-ci)
* [OpenAI Agents SDK](https://docs.nexos.ai/gateway-api/integrations/openai-agents-sdk)
* [Vercel AI SDK](https://docs.nexos.ai/gateway-api/integrations/vercel-ai-sdk)
* [Streamlit](https://docs.nexos.ai/gateway-api/integrations/streamlit)
* [Langfuse](https://docs.nexos.ai/gateway-api/integrations/langfuse)
* [LangGraph](https://docs.nexos.ai/gateway-api/integrations/langgraph)
* [LangChain](https://docs.nexos.ai/gateway-api/integrations/langchain)
* [Roo Code](https://docs.nexos.ai/gateway-api/integrations/roo-code)
* [n8n](https://docs.nexos.ai/gateway-api/integrations/n8n)


---

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