---
title: "Connect Langfuse and Relatel - APIANT.ai"
description: "When \"New Trace\" fires in Langfuse, your agent runs \"Add contact\" in Relatel, or \"New Call\" in Relatel to \"Add Comment\" in Langfuse."
canonical: "https://apiant.ai/connect/langfuse-to-relatel"
---

# Connect Langfuse and Relatel

When **New Trace** fires in [Langfuse](https://apiant.ai/connections/langfuse), your agent runs **Add contact** in [Relatel](https://apiant.ai/connections/relatel), or **New Call** in Relatel to **Add Comment** in Langfuse. Describe the whole flow and it is built, tested on every scenario and kept running.

Langfuse **1** trigger Langfuse **14** actions Relatel **4** triggers Relatel **19** actions

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

## What do you want Langfuse and Relatel 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 Langfuse and Relatel can do together

### From Langfuse to Relatel

- When **New Trace** in Langfuse then **Add contact** in Relatel
- When **New Trace** in Langfuse then **Update contact** in Relatel

### From Relatel to Langfuse

- When **New Call** in Relatel then **Add Comment** in Langfuse
- When **New message** in Relatel then **Add Dataset Item** in Langfuse

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 Langfuse and Relatel

## Triggers and actions 5 triggers · 33 actions

- 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).

- Trigger

**New Call**

Triggers when a new call is made or received in Relatel.

- Trigger

**New message**

Triggered when a new message is sent or received in Relatel.

- Trigger

**New Smiley**

Triggers when a caller or chat visitor gives a new smiley (satisfaction rating) in Relatel.

- Trigger

**New voicemail**

Triggers when a new voicemail is left for an employee or reception.

- Action

**Add comment**

Adds a comment to a contact in Relatel, optionally notifying a colleague.

- Action

**Add contact**

Adds a new contact to your Relatel company and returns the new contact's id.

- Action

**Cloak Reception**

Sets which reception's number is shown as the caller ID on the authenticated employee's outgoing calls.

- Action

**Delete contact**

Deletes a contact from your Relatel organization and returns Relatel's confirmation message.

- Action

**Dial call**

Initiates a phone call: rings the authenticated employee's phone, then connects them to the given number.

- Action

**Do Not Disturb**

Turns Do Not Disturb on or off for the connected employee and returns the updated employee.

- Action

**Find contact by phone number**

Finds a Relatel contact by its phone number and returns the contact's details.

- Action

**Get contact**

Returns a single contact, including its phone number, name, email, tags and latest activity, by its contact ID.

- Action

**Get employee**

Returns one employee in your Relatel company by ID, including name, email, phone number, presence and do-not-disturb status.

- Action

**Join a Group**

Adds the authenticated employee to an employee group and returns the group's details after joining.

- Action

**Leave a Group**

Removes the authenticated employee from the chosen employee group and returns the group's details.

- Action

**List calls**

Returns calls in the Relatel account, optionally filtered by start time, end time, direction or the employee or reception that took the call.

- Action

**List contacts**

Returns the contacts in your Relatel account, optionally only those with a given phone number.

- Action

**List employee groups**

Returns all employee groups in your Relatel account, with each group's name, presence status and member employees.

- Action

**List employees**

Returns all employees in your Relatel company, including their phone numbers, presence and group memberships.

- Action

**List receptions**

Returns all receptions (phone lines/queues) in the Relatel account.

- Action

**List voicemails**

Returns the account's voicemails, optionally filtered by recording time, recipient or phone number. Returns up to 100 voicemails.

- Action

**Send SMS**

Sends an SMS to one or more phone numbers from your Relatel account or one of your receptions.

- Action

**Update contact**

Updates an existing contact's phone number, name, email, flag or tags, and returns the updated contact.

## Each app on its own

- [ **Langfuse** Langfuse is an open-source LLM engineering platform (GitHub) that helps teams collaboratively debug...](https://apiant.ai/connections/langfuse)
- [ **Relatel** Create interesting integrations by using your Relatel events for actions.](https://apiant.ai/connections/relatel)

Reviews

## What our customers say

## More from Langfuse

- [ **Langfuse to 5DollarFootball** Football fixtures, results, standings and historical odds with corner and card lines](https://apiant.ai/connect/langfuse-to-5dollarfootball)
- [ **Langfuse to Cloudflare Trace** Cloudflare Trace is a free JSON wrapper over Cloudflare's edge trace endpoint that reports what Cloudflare...](https://apiant.ai/connect/langfuse-to-cloudflare-trace)
- [ **Langfuse to PaperClean** Clean document photos for printing, remove shadows, fix lighting](https://apiant.ai/connect/langfuse-to-paperclean)
- [ **Langfuse to Postman** Postman is a platform for building and testing APIs.](https://apiant.ai/connect/langfuse-to-postman)
- [ **Langfuse to Rendobar** Hosted media processing over REST: transcode, caption, watermark video](https://apiant.ai/connect/langfuse-to-rendobar)
- [ **Langfuse to Runpod** Cloud GPU platform for renting on-demand compute to train and deploy AI models, including serverless...](https://apiant.ai/connect/langfuse-to-runpod)

## More into Relatel

- [ **HubSpot to Relatel** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-relatel)
- [ **Google Sheets to Relatel** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/google-sheets-to-relatel)
- [ **Gmail to Relatel** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-relatel)
- [ **Google Calendar to Relatel** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-relatel)
- [ **Google Drive to Relatel** Google Drive is a cloud storage solution for uploading, sharing, and collaborating on files across devices...](https://apiant.ai/connect/google-drive-to-relatel)
- [ **Mailchimp to Relatel** Mailchimp marketing automation and email platform.](https://apiant.ai/connect/mailchimp-to-relatel)

Questions

## Langfuse and Relatel, answered

###

### What can start an automation from Langfuse?

Any of Langfuse's 1 trigger in the catalog, including New Trace. Describe the moment in plain language and your agent picks the right one.

###

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

Any of Relatel's 19 actions, including Send SMS, Update contact, Add comment and Add contact. Your agent maps the data both ways and tests every scenario before it ships.

###

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

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

###

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

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 Langfuse and Relatel 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.
