Which vendors use Langfuse as a subprocessor?

2 vendors in the ClauseTrail directory list Langfuse as a subprocessor: CommerceTools and Postman.

How is this list kept up to date?

ClauseTrail reads each vendor's published subprocessor list every day. A vendor appears here while its latest list names Langfuse, and moves to "No longer listed by" when a later list drops it.

Langfuse as a subprocessor: 2 vendors that use it (October 2026)

2 vendors in the directory name Langfuse on their published subprocessor list, read from each vendor's own page and re-checked daily.

Vendors that use Langfuse (October 2026)

#	Vendor	Uses it for	Location	First seen
1	CommerceTools	LLM datastream monitoring and production support for optional AI-powered features.	Germany	September 28, 2026
2	Postman	LLMOps Opensource	United States	October 1, 2026

First seen: the first check of the vendor's list that named Langfuse.

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Langfuse as a subprocessor: FAQ

Which vendors use Langfuse as a subprocessor?: 2 vendors in the ClauseTrail directory list Langfuse as a subprocessor: CommerceTools and Postman.
How is this list kept up to date?: ClauseTrail reads each vendor's published subprocessor list every day. A vendor appears here while its latest list names Langfuse, and moves to "No longer listed by" when a later list drops it.