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FAQOverview

FAQ

These FAQs are the most common questions we receive. If your question is not answered below, please open a new discussion on GitHub Discussions.

Categories

API

How to authenticate with the Langfuse API?Are there any limits to the Langfuse API?

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Auth

I have forgotten my passwordInviting co-workers to LangfuseWhere is my Langfuse project?

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Cloud

What data regions does Langfuse Cloud support?How to manage different environments in Langfuse?How do I upgrade my Langfuse account?

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Datasets

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

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Features

How do I track LLM cost and tokens in Langfuse?How can I manage my prompts with Langfuse?

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Help

How can I receive support?How do I report an issue/feedback/bug?Where do I find my Langfuse API keys?

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Integration LangChain

How to customize the names of observations within a Langchain trace?Langsmith Alternative? Langfuse vs. LangsmithWhat is LangChain Expression Language (LCEL)?

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Integration OpenAI

How to trace the OpenAI Assistants API?

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Product

Monitoring AI Research Assistants - Ensuring Accuracy and ReliabilityHow Remberg Improves Transparency of AI Features with LangfuseChatbot Monitoring with Advanced Observability15 Questions about Langfuse AnsweredLangsmith Alternative? Langfuse vs. Langsmith

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Prompt Management

How do I link prompt management with tracing in Langfuse to see which prompt versions were used?

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Security

What data regions does Langfuse Cloud support?

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Self Hosting

Are prebuilt ARM images available?Are older versions of the SDK compatible with newer versions of Langfuse?I cannot connect to my docker deployment, what should I do?I have forgotten my passwordHow can I restrict access on my self-hosted instance to internal users?

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Setup

What data regions does Langfuse Cloud support?How to manage different environments in Langfuse?I have setup Langfuse, but I do not see any traces in the dashboard. How to solve this?Where do I find my Langfuse API keys?

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Tracing

How do I link prompt management with tracing in Langfuse to see which prompt versions were used?How to manage different environments in Langfuse?I have setup Langfuse, but I do not see any traces in the dashboard. How to solve this?

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GitHub Discussions

We use GitHub Discussions to answer technical questions while making them easy to find. Feel free to open a new thread to get help by the community and Langfuse team.

API

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