FaqAll FAQs
FaqAll FAQs

All FAQs

Administration

I cannot see my organization in Langfuse

I want to delete / cancel / close my Langfuse account

How do I enforce 2FA for all users?

I have forgotten my password

Inviting co-workers to Langfuse

View all (7 more) ->

Article

Monitoring AI Research Assistants - Ensuring Accuracy and Reliability

What are the common challenges of building LLM applications?

Chatbot Analytics: Monitor, Evaluate & Improve Your AI Chatbot

LLM Analytics 101 — How to Measure and Improve Your LLM Application

What is LLM Observability & Monitoring?

View all (1 more) ->

Auth

I want to delete / cancel / close my Langfuse account

I have forgotten my password

Inviting co-workers to Langfuse

Where is my Langfuse project?

View all ->

Cloud

I cannot see my organization in Langfuse

How do I cut my Langfuse Cloud bill?

How to manage different environments in Langfuse?

How do I upgrade my Langfuse account?

View all ->

Evaluation

How do I work with the observations table in Langfuse v4?

How to use Langfuse-hosted Evaluators on Dataset Runs?

How do I upgrade trace-level evaluators to observation-level evaluators?

How to create and manage Score Configs in Langfuse?

I have setup Langfuse, but I do not see any traces in the dashboard. How to solve this?

View all (4 more) ->

Integration

I changed my blob storage config — why didn't it re-export, and why do I still see an error?

Why do I see empty files in my blob storage export?

How to customize the names of observations within a Langchain trace?

How to integrate Langfuse with an existing OpenTelemetry setup

How to integrate Langfuse with an existing Sentry setup

View all (2 more) ->

Observability

How to use Langfuse Tracing in Serverless Functions (AWS Lambda, Vercel, Cloudflare Workers, etc.)

How do I track LLM cost and tokens in Langfuse?

Why are trace input and output empty?

How to enable or disable Langfuse tracing?

How to integrate Langfuse with an existing OpenTelemetry setup

View all (11 more) ->

Observability Get Started

Why are trace input and output empty?

I have setup Langfuse, but I do not see any traces in the dashboard. How to solve this?

Why do I see HTTP requests or database queries in my Langfuse traces?

View all ->

Platform

Why do I see 524 errors on Langfuse API calls?

Are there any limits to the Langfuse API?

I changed my blob storage config — why didn't it re-export, and why do I still see an error?

Why do I see empty files in my blob storage export?

I cannot see my organization in Langfuse

View all (11 more) ->

Product

19 Questions about Langfuse Answered

Which packages and projects are using Langfuse?

How can I self-host Langfuse?

Ten Reasons to Use Langfuse for LLM Observability, Evaluations and Prompt Management

View all ->

Prompt Management

Can I dynamically select sub-prompts at runtime?

How to configure retries and timeouts when fetching prompts?

How to measure prompt performance?

Link prompt management with tracing in Langfuse

Can I manage agent skills with Langfuse Prompt Management?

View all (4 more) ->

Prompt Management Get Started

I'm not seeing the latest version of my prompt. Why?

View all ->

Self Hosting

Are prebuilt ARM images available?

Are older versions of the SDK compatible with newer versions of Langfuse?

Why is my data retention job running into timeouts?

I cannot connect to my docker deployment, what should I do?

I have forgotten my password

View all (12 more) ->

Tracing

How do I work with the observations table in Langfuse v4?

How long does it take for traces to appear in Langfuse?

Why do observation lookups with the v3 SDK return 404?

View all ->

Other

Overview

Cloud

Product

Prompt Management

Security

View all (3 more) ->

Was this page helpful?

Last edited

On this page

All FAQs

Actions

Give us feedback
GitHub