Langfuse tech stack

langfuse.com

Langfuse is an open source platform for tracing, evaluating, and improving AI agents. It serves engineers and AI teams building agents.

Summarized from its homepage on 3 Nov 2026.

Classified asAI and machine learning Developer tools

Vendors of Langfuse and the evidence for each

Langfuse declares 7 subprocessors.

VendorCategoryEvidenceLevel

CloudflareCloud and infrastructureConfirmed

Subprocessor listNamed as Cloudflare, Inc. · Processes data for the company10 Nov 2026Source

Privacy policyProcesses data for the company10 Nov 2026Source

Websiteheader: cf-ray: a588e7ba98ad4e48-SJC10 Nov 2026Source

Companies using Cloudflare

Amazon Web ServicesCloud and infrastructureConfirmed

Subprocessor listNamed as Amazon Web Services, Inc. · Processes data for the company10 Nov 2026Source

Privacy policyNamed as AWS · Processes data for the company10 Nov 2026Source

Companies using Amazon Web Services

ClickHouseDataConfirmed

Subprocessor listNamed as Clickhouse Inc. · Processes data for the company10 Nov 2026Source

Privacy policyNamed as Clickhouse Cloud · Processes data for the company10 Nov 2026Source

Companies using ClickHouse

DatadogObservabilityConfirmed

Subprocessor listNamed as Datadog, Inc. · Processes data for the company10 Nov 2026Source

Privacy policyNamed as Datadog, Inc. · Processes data for the company10 Nov 2026Source

Companies using Datadog

PostHogAnalyticsConfirmed

Subprocessor listNamed as Posthog, Inc. · Processes data for the company10 Nov 2026Source

Privacy policyNamed as Posthog, Inc. · Processes data for the company10 Nov 2026Source

Companies using PostHog

SentryObservabilityConfirmed

Subprocessor listNamed as Functional Software, Inc. d/b/a Sentry · Processes data for the company10 Nov 2026Source

Privacy policyNamed as Functional Software, Inc. d/b/a Sentry · Processes data for the company10 Nov 2026Source

Companies using Sentry

GoogleCloud and infrastructureConfirmed

Subprocessor listNamed as Google LLC · Processes data for the company10 Nov 2026Source

Companies using Google

Google WorkspaceProductivityConfirmed

Privacy policyProcesses data for the company10 Nov 2026Source

Websitemx: aspmx.l.google.com.10 Nov 2026Source

Companies using Google Workspace

VercelCloud and infrastructureConfirmed

Privacy policyProcesses data for the company10 Nov 2026Source

Websiteheader: x-vercel-id: sfo1::fra1::2nb2k-1794354057399-ba0178c010 Nov 2026Source

Companies using Vercel

Google AdsAdvertisingLikely

Websitescript: src\":\"https://www.googletagmanager.com/gtag/js?id=AW-10855791654\",\"strategy\":\"afterIntera10 Nov 2026Source

Companies using Google Ads

24 more vendors

See Langfuse's full stack and the source for every claim.

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Certifications

Standard	What the source says	Checked
ISO 27001Company's statement	“Langfuse Cloud is SOC 2 Type II certified, ISO 27001 compliant, GDPR compliant, and offers a HIPAA-ready region .”The company's own statement. We have not checked an accreditation registry.	10 Nov 2026Source
SOC 2 Type IICompany's statement	“Langfuse Cloud is SOC 2 Type II certified, ISO 27001 compliant, GDPR compliant, and offers a HIPAA-ready region .”The company's own statement. SOC 2 has no public registry; the report itself is shared by the company, usually under NDA.	10 Nov 2026Source

We last read 2 of its pages on 10 Nov 2026 and the FedRAMP Marketplace on 8 Nov 2026. A standard not shown here was not found in these sources. That does not mean Langfuse lacks it.

Vendor's own statement, retrieved from the source URL on the date shown. StrataDB does not verify the underlying claim. Data sources.