Langfuse
Langfuse is an open-source AI engineering platform that helps teams collaboratively debug, analyze, and iterate on their LLM applications. When connected to your Slack workspace, Langfuse sends notifications to Slack so your team can see prompt changes and alerts in the channels where you already coordinate releases, incidents, and product updates.
Langfuse will be able to view:
Langfuse will be able to do:
Review the details to better understand this app’s security practices. To learn more about assessing apps for your workspace visit our Help Center.
General
Developer
Langfuse GmbH
Company headquarters location
Germany
Terms of service
Privacy & data governance
Data retention policy
We will only keep your personal information for as long as it is necessary for the purposes set out in this privacy notice, unless a longer retention period is required or permitted by law (such as tax, accounting, or other legal requirements). No purpose in this notice will require us keeping your personal information for longer than one (1) month past the termination of the user's account. https://langfuse.com/privacy#retention
Data archiving and removal policy
We will only keep your personal information for as long as it is necessary for the purposes set out in this privacy notice, unless a longer retention period is required or permitted by law (such as tax, accounting, or other legal requirements). No purpose in this notice will require us keeping your personal information for longer than one (1) month past the termination of the user's account. https://langfuse.com/privacy#retention
Data storage policy
Our Data Protection Policy ensures all customer data at rest is stored on encrypted volumes, with direct employee access to production systems disabled by default. We enforce strict logical separation of customer data at both the database and API layers to prevent unauthorized access, while continuously monitoring our cloud infrastructure. Any necessary access to production data is granted on a temporary, need-to-know basis with explicit leadership approval, and all personnel are bound by non-disclosure agreements. https://langfuse.com/security/privacy-faq
Data center location(s)
Ireland, United States, Japan
Data hosting details
We host our data in AWS in the United States, Ireland, or Japan. Our users can choose where data is stored on signup.
Data hosting company
AWS
App/service has sub-processors
yes
Guidelines for sub-processors
App/service uses large language models (LLM)
no
LLM retention settings
All LLM features are "bring your own model". Hence according to the settings of our users.
LLM data tenancy policy
All LLM features are "bring your own model". Hence according to the settings of our users.
LLM data residency policy
All LLM features are "bring your own model". Hence according to the settings of our users.
Certifications & compliance
SOC attestation
ISO/IEC-27001 certification
GDPR commitment
Data deletion request procedure
Users either delete data via our UI or APIs themselves. Otherwise, they can reach our support and we will remove data manually.
HIPAA compliant
yes
While this app may offer HIPAA compliance, Slack does not have a business associate agreement with any third-party application providers, including those in the Slack Marketplace, so you are responsible for validating the provider's compliance and executing an appropriate agreement before enabling.
Security
Date of latest pen test
2026-03-25
Executive summary is available to potential customers upon request
yes
Supports Single Sign On (SSO) with the following providers
Supports Security Assertion Markup Language (SAML)
no
Has a dedicated security team
yes
Contact for security issues
security@langfuse.com
Has a vulnerability disclosure program
yes
Vulnerability disclosure program URL
Vulnerability disclosure program covers Slack app
yes
Has a bug bounty program
no
Requires third party authorization/connections
yes
Uses token rotation
no