---
title: "Connect Apex27 and Langfuse - APIANT.ai"
description: "When \"New / Updated Listing\" fires in Apex27, your agent runs \"Add Comment\" in Langfuse, or \"New Trace\" in Langfuse to \"Create / Update Contact\" in Apex27."
canonical: "https://apiant.ai/connect/apex27-to-langfuse"
---

# Connect Apex27 and Langfuse

When **New / Updated Listing** fires in [Apex27](https://apiant.ai/connections/apex27), your agent runs **Add Comment** in [Langfuse](https://apiant.ai/connections/langfuse), or **New Trace** in Langfuse to **Create / Update Contact** in Apex27. Describe the whole flow and it is built, tested on every scenario and kept running.

Apex27 **4** triggers Apex27 **15** actions Langfuse **1** trigger Langfuse **14** actions

What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it.

## What do you want Apex27 and Langfuse to do together?

Give your AI client this address.

`https://mcp.apiant.ai`

One connection does both: ask your client to act in an app once, or have it build an automation that keeps running. Any client that takes a remote MCP server. Nothing to install. Create your free account, then sign in once in your browser.

### Set it up in your client

### Claude Code

Run this in the directory you want to work in.

`claude mcp add --transport http -s project apiant-ai https://mcp.apiant.ai`

Start Claude Code there, approve the server, and sign in in the browser page it opens.

[Claude Code guide (opens in a new tab)](https://apiant.ai/docs/mcp/claude-code)

### Claude, web and desktop

Open Customize, then Connectors, then Add custom connector, and paste the address. On Team and Enterprise an owner adds it first.

[Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp)

### Cursor

Add the address to your MCP configuration as a server URL. Cursor signs you in in your browser.

[Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp)

### Zed

Open Settings, then AI, then MCP Servers, then Add Server, then Add Remote Server.

[Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp)

### Codex and the ChatGPT desktop app

Open Settings, then MCP servers, then Add server, and choose Streamable HTTP. From the terminal, Codex takes the address with its own add command and then signs you in.

[Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp)

### Any other MCP client

Paste the address where the client asks for a remote MCP server URL, and name the server apiant-ai where it lets you. APIANT's skills reach the client over the same connection.

[Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp)

Example flows

## What Apex27 and Langfuse can do together

### From Apex27 to Langfuse

- When **New / Updated Listing** in Apex27 then **Add Comment** in Langfuse
- When **New / Updated Task** in Apex27 then **Add Dataset Item** in Langfuse

### From Langfuse to Apex27

- When **New Trace** in Langfuse then **Create / Update Contact** in Apex27
- When **New Trace** in Langfuse then **Create / Update Contact Note** in Apex27

Starting points drawn from the triggers and actions in the catalog today. Describe the flow you need, at any depth, and your agent builds it and tests every scenario before it ships.

Everything your agent can do with Apex27 and Langfuse

## Triggers and actions 5 triggers · 29 actions

- Trigger

**New / Updated Listing**

Triggers when a listing is created or updated inside Apex27.

- Trigger

**New / Updated Task**

Triggers when a task is created or updated inside Apex27.

- Trigger

**New / Updated Valuation**

Triggers when a valuation is created or updated inside Apex27.

- Trigger

**New / Updated Viewing**

Triggers when a viewing is created or updated inside Apex27.

- Action

**Add Listing Valuation**

creates a valuation on a listing (body: userId, thirdPartyContactId, dtsValued, status, valuedPrice, recommendedPrice, vendorsEstimate, notes). Fires listing_valuation.create.

- Action

**Add Listing Viewing**

books a viewing on a listing (required body: contactId, userId, event, isAccompanied). Fires listing_viewing.create.

- Action

**Create Call Log**

Creates a call log record in Apex27.

- Action

**Create Notification**

Sends an in-app notification to Apex27 users. Provide at least one of User, Branch, Main Branch, Listing or Contact.

- Action

**Create / Update Contact**

Creates a new contact or updates an existing contact in Apex27.

- Action

**Create / Update Contact Note**

Creates a note linked to a contact

- Action

**Create / Update Listing**

Creates a new listing, or updates an existing listing if you pass the existing listing ID

- Action

**Create / Update Listing Note**

Creates or updates a listing note

- Action

**Create / Update Task**

Creates or updates a task if you pass the task ID.

- Action

**Find Contact**

Finds a contact by ID, Email or Phone

- Action

**Get Contact Note**

Returns one contact note by id.

- Action

**List Contact Call Logs**

Returns the call logs recorded against a contact.

- Action

**List Listing Valuations**

Returns the valuations recorded on a listing.

- Action

**Upload Document**

This will upload a document to either a listing or a contact

- Action

**Upload Image for Listing**

Uploads an image to a listing

- Trigger

**New Trace**

Polling trigger: fires for newly created traces (dedup by trace id / timestamp).

- Action

**Add Comment**

Add a comment to a trace/observation/session/prompt object.

- Action

**Add Dataset**

Create a new dataset.

- Action

**Add Dataset Item**

Create an item (input/expected_output/metadata) in a dataset.

- Action

**Add Prompt**

Create a new prompt version (text or chat).

- Action

**Add Score**

Create a score attached to a trace/observation/session (numeric, categorical, or boolean).

- Action

**Delete Trace**

Delete a trace by id.

- Action

**Get Project**

Reads the Langfuse project that the connection's project-scoped API key belongs to.

- Action

**Get Prompt**

Get a prompt by name (and optional version/label).

- Action

**Get Trace**

Get a single trace by id, including nested observations/scores.

- Action

**List Dataset Items**

List items in a dataset.

- Action

**List Datasets**

List all datasets in the project.

- Action

**List Prompts**

List all prompts in the project.

- Action

**List Scores**

List scores with optional filters.

- Action

**List Traces**

List traces with optional filters (user, session, tags, timerange).

## Each app on its own

- [ **Apex27** Apex27 is a full-featured estate agent CRM platform](https://apiant.ai/connections/apex27)
- [ **Langfuse** Langfuse is an open-source LLM engineering platform (GitHub) that helps teams collaboratively debug...](https://apiant.ai/connections/langfuse)

Reviews

## What our customers say

## More from Apex27

- [ **Apex27 to HubSpot** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/apex27-to-hubspot)
- [ **Apex27 to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/apex27-to-salesforce)
- [ **Apex27 to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/apex27-to-slack)
- [ **Apex27 to Google Sheets** Google Sheets](https://apiant.ai/connect/apex27-to-google-sheets)
- [ **Apex27 to Gmail** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/apex27-to-gmail)
- [ **Apex27 to Google Calendar** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/apex27-to-google-calendar)

## More into Langfuse

- [ **Salesforce to Langfuse** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-langfuse)
- [ **Google Drive to Langfuse** Google Drive is a cloud storage solution for uploading, sharing, and collaborating on files across devices...](https://apiant.ai/connect/google-drive-to-langfuse)
- [ **HubSpot to Langfuse** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-langfuse)
- [ **Slack to Langfuse** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-langfuse)
- [ **Google Sheets to Langfuse** Google Sheets](https://apiant.ai/connect/google-sheets-to-langfuse)
- [ **Gmail to Langfuse** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-langfuse)

Questions

## Apex27 and Langfuse, answered

###

### What can start an automation from Apex27?

Any of Apex27's 4 triggers in the catalog, including New / Updated Listing, New / Updated Task, New / Updated Valuation and New / Updated Viewing. Describe the moment in plain language and your agent picks the right one.

###

### What can your agent do in Langfuse when something happens in Apex27?

Any of Langfuse's 14 actions, including Add Comment, Add Dataset, Add Dataset Item and Add Prompt. Your agent maps the data both ways and tests every scenario before it ships.

###

### Can it also run from Langfuse to Apex27?

Yes. When something happens in Langfuse, your agent can act in Apex27 too. This page covers both directions: Langfuse's triggers and Apex27's actions are listed here as well.

###

### Do I have to build a connector for Apex27 or Langfuse?

No. Both are in the catalog with their triggers and actions. You describe the automation; your agent builds it, tests every scenario and keeps it running.

###

### Can my AI client use Apex27 and Langfuse without building an automation?

Yes. With your AI client connected to APIANT, ask it to do something in either app once and it runs that action on the spot. Ask for an automation and your agent builds it, tests every scenario and keeps it running. One connection covers both.

###

### What happens when something fails?

Your agent works that out for you. It plans the failure paths along with the happy path, then tests every scenario before it ships.

###

### Is there a free plan?

Yes. Every plan includes the agent, including free, and building from your own AI client spends no assistant credits.
