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Skip to navigationSkip to main content LangSmith Security Hub LangSmith is an all-in-one developer platform for every step of the LLM-powered application lifecycle, whether you're building with LangChain or not. To track LangSmith incidents and health, visit our status pageOpens in new tab. For customer support, visit our support centerOpens in new tab. For security and trust inquiries, contact our trust teamOpens in new tab. Privacy PolicyOpens in new tab Welcome! At LangChain, security and transparency are foundational to everything we build. This Trust Center provides real-time insight into LangSmith’s compliance posture, infrastructure controls, subprocessors, and audit results. We keep this hub current so you always know how we protect your data. For any additional information, reach out at trust@langchain.dev. Compliance SOC 2 Type II ISO 27001:2022 GDPR HIPAA Resources View all Pre-Filled Customer Questionnaires 2025-Nov LangChain CAIQv4.0.3 [SaaS].xlsx Attestations 2026 SOC 2 Type II ISO 27001 Certificate 2026.pdf ISO 27001 Statement of Applicability (2026).pdf 2026 LangSmith Pentest Exec Summary.pdf View 1 more Policies Acceptable Use Policy Access Control Policy Asset Management Policy (EN) Business Continuity and Disaster Recovery Plan (EN) View 12 more Other Security Docs BYOC LangSmith Security Overview.pdf LangSmith pre-filled TIA.xlsx Subprocessors View all Google Cloud Platform • Cloud provider USA or Netherlands GCP is LangChain's Cloud hosting provider and provides LLM inference for AI-powered features for applicable features and plans. Amazon Web Services • Cloud provider USA AWS is LangChain's Cloud hosting provider and provides LLM inference for AI-powered features for applicable features and plans. Clickhouse • Production Database USA or Netherlands Production database Supabase • Database provider US or Germany Authentication and backend services for LangSmith Controls Updated less than a minute ago View all Infrastructure security Unique account authentication enforced Access control procedures established Unique network system authentication enforced View 5 more Infrastructure security controls Organizational security Asset disposal procedures utilized Portable media encrypted Code of Conduct acknowledged by contractors View 6 more Organizational security controls Product security Control self-assessments conducted Penetration testing performed Data transmission encrypted View 1 more Product security control Internal security procedures Continuity and Disaster Recovery plans established Continuity and disaster recovery plans tested annually Cybersecurity insurance maintained View 23 more Internal security procedures controls Data and privacy Data retention procedures established Customer data deleted upon leaving Data collected Customer personally identifiable information Employee personally identifiable information Credit card information Personal health information FAQ View all Updates View all Privacy 2026 September Subprocessor Update: Parallel Published September 11, 2026 Dear LangChain Customer, We are writing to inform you of an addition to LangChain's subprocessor list in connection with a new built-in web search feature for agents built in LangSmith. New Subprocessor (effective October 11, 2026, or upon earlier customer enablement): Parallel: to provide web search services for the LangSmith built-in search tool The search tool is opt-in. When used, Parallel receives the requests issued by the agent, and nothing from your stored LangSmith data. Our updated subprocessor list is available at our [Trust Center (https://trust.langchain.com/subprocessorsOpens in new tab). Questions? Contact privacy@langchain.dev. Thank you for being a valued customer. Regards, LangChain Privacy Team Compliance 2026 SOC 2 Type II Report now Available Published September 3, 2026 Dear LangChain Customer, We're proud to announce that we've just received our annual SOC 2 Type II report, and made some meaningful additions to scope: it now covers Security, Availability, and Confidentiality. A SOC 2 Type II report is an independent auditor's opinion on whether an organization's controls were suitably designed and operated effectively over a period of time, not just at a single point in time. This one covers July 1, 2025 through June 30, 2026, spans our entire LangSmith offering, and received an unqualified opinion with no exceptions noted. The examination was performed by Advantage Partners, the same accredited firm behind our recent ISO/IEC 27001 certification. Questions? Contact us at trust@langchain.dev. The full report is available on our trust center. Thank you for being a valued customer. Best, LangChain Security Team General LangChain is now ISO/IEC 27001:2022 certified Published July 2, 2026 Dear LangChain Customer, We're glad to share that LangChain has achieved ISO/IEC 27001:2022 certification for our Information Security Management System (ISMS). ISO/IEC 27001 is a leading internationally recognized standard for information security management. Certification requires an independent, accredited auditor to verify that an organization's policies, controls, and day-to-day practices actually protect the data it handles. This certification reflects the maturity of our security program, built through months of policy work, employee training, and third-party audits. It's also one of the most widely requested certifications in enterprise security reviews, and we expect it to make procurement and security reviews smoother for both current and prospective customers. Our certification was issued by Advantage Partners, an IAS-accredited certification body, and covers the systems, teams, and information assets supporting LangSmith and our LLM application tooling. Questions? Contact us at trust@langchain.dev. Thank you for being a valued customer. Regards, LangChain Security Team Privacy 2026 May Subprocessor Updates Published May 12, 2026 Dear LangChain Customer, We are writing to inform you of additions to LangChain's subprocessor list in connection with LangSmith AI-powered features, including the LangSmith Engine and other in-product agents. New Subprocessors (effective June 11, 2026, or upon earlier enablement): OpenAI, L.L.C. — to provide AI model inference services Anthropic, PBC — to provide AI model inference services Fireworks — to provide AI model inference services Baseten — to provide AI model inference services These are the same providers previously announced for Fleet. Features using LangChain-managed keys are opt-in for enterprise customers. We have also added the following subprocessors to our list: Pylon — to provide customer support ticketing and communication services (unrelated to AI features) Stripe — to provide payment processing services for self-serve customers (unrelated to AI features) Our updated subprocessor list is available at our Trust CenterOpens in new tab. Questions? Contact privacy@langchain.dev. Thank you for being a valued customer. Regards, LangChain Privacy Team Read more about 2026 September Subprocessor Update: Parallel LangSmith Security Hub LangSmith is an all-in-one developer platform for every step of the LLM-powered application lifecycle, whether you're building with LangChain or not. To track LangSmith incidents and health, visit our status pageOpens in new tab. For customer support, visit our support centerOpens in new tab. For security and trust inquiries, contact our trust teamOpens in new tab. Privacy PolicyOpens in new tab Welcome! At LangChain, security and transparency are foundational to everything we build. This Trust Center provides real-time insight into LangSmith’s compliance posture, infrastructure controls, subprocessors, and audit results. We keep this hub current so you always know how we protect your data. For any additional information, reach out at trust@langchain.dev. Compliance SOC 2 Type II ISO 27001:2022 GDPR HIPAA Resources View all Pre-Filled Customer Questionnaires 2025-Nov LangChain CAIQv4.0.3 [SaaS].xlsx Attestations 2026 SOC 2 Type II ISO 27001 Certificate 2026.pdf ISO 27001 Statement of Applicability (2026).pdf 2026 LangSmith Pentest Exec Summary.pdf View 1 more Policies Acceptable Use Policy Access Control Policy Asset Management Policy (EN) Business Continuity and Disaster Recovery Plan (EN) View 12 more Other Security Docs BYOC LangSmith Security Overview.pdf LangSmith pre-filled TIA.xlsx Subprocessors View all Google Cloud Platform • Cloud provider USA or Netherlands GCP is LangChain's Cloud hosting provider and provides LLM inference for AI-powered features for applicable features and plans. Amazon Web Services • Cloud provider USA AWS is LangChain's Cloud hosting provider and provides LLM inference for AI-powered features for applicable features and plans. Clickhouse • Production Database USA or Netherlands Production database Supabase • Database provider US or Germany Authentication and backend services for LangSmith Controls Updated less than a minute ago View all Infrastructure security Unique account authentication enforced Access control procedures established Unique network system authentication enforced View 5 more Infrastructure security controls Organizational security Asset disposal procedures utilized Portable media encrypted Code of Conduct acknowledged by contractors View 6 more Organizational security controls Product security Control self-assessments conducted Penetration testing performed Data transmission encrypted View 1 more Product security control Internal security procedures Continuity and Disaster Recovery plans established Continuity and disaster recovery plans tested annually Cybersecurity insurance maintained View 23 more Internal security procedures controls Data and privacy Data retention procedures established Customer data deleted upon leaving Data collected Customer personally identifiable information Employee personally identifiable information Credit card information Personal health information FAQ View all Updates View all Privacy 2026 September Subprocessor Update: Parallel Published September 11, 2026 Dear LangChain Customer, We are writing to inform you of an addition to LangChain's subprocessor list in connection with a new built-in web search feature for agents built in LangSmith. New Subprocessor (effective October 11, 2026, or upon earlier customer enablement): Parallel: to provide web search services for the LangSmith built-in search tool The search tool is opt-in. When used, Parallel receives the requests issued by the agent, and nothing from your stored LangSmith data. Our updated subprocessor list is available at our [Trust Center (https://trust.langchain.com/subprocessorsOpens in new tab). Questions? Contact privacy@langchain.dev. Thank you for being a valued customer. Regards, LangChain Privacy Team Compliance 2026 SOC 2 Type II Report now Available Published September 3, 2026 Dear LangChain Customer, We're proud to announce that we've just received our annual SOC 2 Type II report, and made some meaningful additions to scope: it now covers Security, Availability, and Confidentiality. A SOC 2 Type II report is an independent auditor's opinion on whether an organization's controls were suitably designed and operated effectively over a period of time, not just at a single point in time. This one covers July 1, 2025 through June 30, 2026, spans our entire LangSmith offering, and received an unqualified opinion with no exceptions noted. The examination was performed by Advantage Partners, the same accredited firm behind our recent ISO/IEC 27001 certification. Questions? Contact us at trust@langchain.dev. The full report is available on our trust center. Thank you for being a valued customer. Best, LangChain Security Team General LangChain is now ISO/IEC 27001:2022 certified Published July 2, 2026 Dear LangChain Customer, We're glad to share that LangChain has achieved ISO/IEC 27001:2022 certification for our Information Security Management System (ISMS). ISO/IEC 27001 is a leading internationally recognized standard for information security management. Certification requires an independent, accredited auditor to verify that an organization's policies, controls, and day-to-day practices actually protect the data it handles. This certification reflects the maturity of our security program, built through months of policy work, employee training, and third-party audits. It's also one of the most widely requested certifications in enterprise security reviews, and we expect it to make procurement and security reviews smoother for both current and prospective customers. Our certification was issued by Advantage Partners, an IAS-accredited certification body, and covers the systems, teams, and information assets supporting LangSmith and our LLM application tooling. Questions? Contact us at trust@langchain.dev. Thank you for being a valued customer. Regards, LangChain Security Team Privacy 2026 May Subprocessor Updates Published May 12, 2026 Dear LangChain Customer, We are writing to inform you of additions to LangChain's subprocessor list in connection with LangSmith AI-powered features, including the LangSmith Engine and other in-product agents. New Subprocessors (effective June 11, 2026, or upon earlier enablement): OpenAI, L.L.C. — to provide AI model inference services Anthropic, PBC — to provide AI model inference services Fireworks — to provide AI model inference services Baseten — to provide AI model inference services These are the same providers previously announced for Fleet. Features using LangChain-managed keys are opt-in for enterprise customers. We have also added the following subprocessors to our list: Pylon — to provide customer support ticketing and communication services (unrelated to AI features) Stripe — to provide payment processing services for self-serve customers (unrelated to AI features) Our updated subprocessor list is available at our Trust CenterOpens in new tab. Questions? Contact privacy@langchain.dev. Thank you for being a valued customer. Regards, LangChain Privacy Team Read more about 2026 May Subprocessor Updates LangSmith Security Hub LangSmith is an all-in-one developer platform for every step of the LLM-powered application lifecycle, whether you're building with LangChain or not. To track LangSmith incidents and health, visit our status pageOpens in new tab. For customer support, visit our support centerOpens in new tab. For security and trust inquiries, contact our trust teamOpens in new tab. Privacy PolicyOpens in new tab Welcome! At LangChain, security and transparency are foundational to everything we build. This Trust Center provides real-time insight into LangSmith’s compliance posture, infrastructure controls, subprocessors, and audit results. We keep this hub current so you always know how we protect your data. For any additional information, reach out at trust@langchain.dev. Compliance SOC 2 Type II ISO 27001:2022 GDPR HIPAA Resources View all Pre-Filled Customer Questionnaires 2025-Nov LangChain CAIQv4.0.3 [SaaS].xlsx Attestations 2026 SOC 2 Type II ISO 27001 Certificate 2026.pdf ISO 27001 Statement of Applicability (2026).pdf 2026 LangSmith Pentest Exec Summary.pdf View 1 more Policies Acceptable Use Policy Access Control Policy Asset Management Policy (EN) Business Continuity and Disaster Recovery Plan (EN) View 12 more Other Security Docs BYOC LangSmith Security Overview.pdf LangSmith pre-filled TIA.xlsx Subprocessors View all Google Cloud Platform • Cloud provider USA or Netherlands GCP is LangChain's Cloud hosting provider and provides LLM inference for AI-powered features for applicable features and plans. Amazon Web Services • Cloud provider USA AWS is LangChain's Cloud hosting provider and provides LLM inference for AI-powered features for applicable features and plans. Clickhouse • Production Database USA or Netherlands Production database Supabase • Database provider US or Germany Authentication and backend services for LangSmith Controls Updated less than a minute ago View all Infrastructure security Unique account authentication enforced Access control procedures established Unique network system authentication enforced View 5 more Infrastructure security controls Organizational security Asset disposal procedures utilized Portable media encrypted Code of Conduct acknowledged by contractors View 6 more Organizational security controls Product security Control self-assessments conducted Penetration testing performed Data transmission encrypted View 1 more Product security control Internal security procedures Continuity and Disaster Recovery plans established Continuity and disaster recovery plans tested annually Cybersecurity insurance maintained View 23 more Internal security procedures controls Data and privacy Data retention procedures established Customer data deleted upon leaving Data collected Customer personally identifiable information Employee personally identifiable information Credit card information Personal health information FAQ View all Updates View all Privacy 2026 September Subprocessor Update: Parallel Published September 11, 2026 Dear LangChain Customer, We are writing to inform you of an addition to LangChain's subprocessor list in connection with a new built-in web search feature for agents built in LangSmith. New Subprocessor (effective October 11, 2026, or upon earlier customer enablement): Parallel: to provide web search services for the LangSmith built-in search tool The search tool is opt-in. When used, Parallel receives the requests issued by the agent, and nothing from your stored LangSmith data. Our updated subprocessor list is available at our [Trust Center (https://trust.langchain.com/subprocessorsOpens in new tab). Questions? Contact privacy@langchain.dev. Thank you for being a valued customer. Regards, LangChain Privacy Team Compliance 2026 SOC 2 Type II Report now Available Published September 3, 2026 Dear LangChain Customer, We're proud to announce that we've just received our annual SOC 2 Type II report, and made some meaningful additions to scope: it now covers Security, Availability, and Confidentiality. A SOC 2 Type II report is an independent auditor's opinion on whether an organization's controls were suitably designed and operated effectively over a period of time, not just at a single point in time. This one covers July 1, 2025 through June 30, 2026, spans our entire LangSmith offering, and received an unqualified opinion with no exceptions noted. The examination was performed by Advantage Partners, the same accredited firm behind our recent ISO/IEC 27001 certification. Questions? Contact us at trust@langchain.dev. The full report is available on our trust center. Thank you for being a valued customer. Best, LangChain Security Team General LangChain is now ISO/IEC 27001:2022 certified Published July 2, 2026 Dear LangChain Customer, We're glad to share that LangChain has achieved ISO/IEC 27001:2022 certification for our Information Security Management System (ISMS). ISO/IEC 27001 is a leading internationally recognized standard for information security management. Certification requires an independent, accredited auditor to verify that an organization's policies, controls, and day-to-day practices actually protect the data it handles. This certification reflects the maturity of our security program, built through months of policy work, employee training, and third-party audits. It's also one of the most widely requested certifications in enterprise security reviews, and we expect it to make procurement and security reviews smoother for both current and prospective customers. Our certification was issued by Advantage Partners, an IAS-accredited certification body, and covers the systems, teams, and information assets supporting LangSmith and our LLM application tooling. Questions? Contact us at trust@langchain.dev. Thank you for being a valued customer. Regards, LangChain Security Team Privacy 2026 May Subprocessor Updates Published May 12, 2026 Dear LangChain Customer, We are writing to inform you of additions to LangChain's subprocessor list in connection with LangSmith AI-powered features, including the LangSmith Engine and other in-product agents. New Subprocessors (effective June 11, 2026, or upon earlier enablement): OpenAI, L.L.C. — to provide AI model inference services Anthropic, PBC — to provide AI model inference services Fireworks — to provide AI model inference services Baseten — to provide AI model inference services These are the same providers previously announced for Fleet. Features using LangChain-managed keys are opt-in for enterprise customers. We have also added the following subprocessors to our list: Pylon — to provide customer support ticketing and communication services (unrelated to AI features) Stripe — to provide payment processing services for self-serve customers (unrelated to AI features) Our updated subprocessor list is available at our Trust CenterOpens in new tab. Questions? Contact privacy@langchain.dev. Thank you for being a valued customer. Regards, LangChain Privacy Team