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Subprocessor list
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https://docs.stacksync.com/security-and-other-resources/security/subprocessors
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Subprocessors
Updated October 23, 2026
Stacksync Inc. (“Stacksync”) uses certain subprocessors to assist it in providing the Stacksync Services as described in the Terms of Service (TOS). Defined terms used herein shall have the same meaning as defined in the TOS.
What is a Subprocessor?
A subprocessor is a third-party data processor engaged by Stacksync, including entities from within the Stacksync Group, who has or potentially will have access to or process personal data on behalf of a Customer. Stacksync engages different types of subprocessors to perform various functions as explained in the tables below. Stacksync refers to third parties that do not have access to or process personal data on behalf of a Customer, but who are otherwise used to provide the Services, as "subcontractors" and not "subprocessors".
Pipeline Data Subprocessors
These are subprocessors who have access to Stacksync production systems and data by virtue of the services they provide.
NAME	NATURE OF PROCESSING	TERRITORY(IES)
Amazon, Inc.	AWS hosting environment for Supplier services	Global (all regions)
Google, Inc.
Google Cloud hosting environment for Supplier services.
Google workspace suite.
Global (all regions)
Ubicloud	Ubicloud hosting environment for Supplier services	Global (all regions)
Microsoft, Inc.	Azure hosting environment for Supplier services	Global (all regions)
Okta, Inc.	Authentication and authorization for Stacksync Websites (via Auth0)	Global
OVH Groupe SAS	OVH hosting environment for Supplier services	Global
Cloudflare, Inc.	Networking and cloud compute services	Global
Orderful, Inc.	Electronic data interchange (EDI) platform provider	United States
Affiliates
Stacksync maintains affiliate companies in countries where our full-time employees work. Each of these affiliate companies comprises members of the Stacksync team who contribute from outside of the US and Switzerland.
NAME	NATURE OF PROCESSING	TERRITORY(IES)
Pebl	Web Consultants	Germany
AI inference providers
NAME	NATURE OF PROCESSING	TERRITORY(IES)
OpenAI	AI inference provider	Global (all regions)
Anthropic	AI inference provider	Global (all regions)
OpenRouter	AI inference provider	Global (all regions)
TypeSafe	AI inference provider	Global (all regions)
Questions?
We're always happy to help with any other questions you might have! Send us an email at hello@stacksync.com
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What is a Subprocessor?Pipeline Data SubprocessorsAffiliatesAI inference providersQuestions?