FAQ

What data regions does Langfuse Cloud support?

Langfuse supports the following data regions:

All data, user accounts, and infrastructure are completely separated between these two regions. You can have accounts in both regions.

How do I connect to a specific data region?

To connect to a specific data region, you need to set the LANGFUSE_HOST (Python) or LANGFUSE_BASEURL (JS/TS) in your environment configuration or when intializing the SDKs. Here are examples for both regions:

What to take into account when selecting a data region

When selecting a data region, consider the following factors:

  • Compliance and data privacy requirements
  • Latency when fetching prompts from Langfuse prompt management
  • Latency when working in the Langfuse interface

Less of a concern:

  • Tracing ingestion latency as these requests are batched and sent in the background

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