Sub-processors

Last updated: June 3, 2026

Synter, LLC engages the third-party sub-processors below to process customer personal data in connection with the Synter platform, as described in our Data Processing Agreement. We impose data protection obligations on each sub-processor that are materially equivalent to those in our DPA.

Customers with an executed DPA receive at least 14 days' advance notice before a new sub-processor processes their personal data. To receive change notifications, contact privacy@synterai.com.

Sub-processorPurposeLocation
Vercel, Inc.Application and landing-page hosting/servingUSA
Railway Corp.Backend service hosting (agent runtime, schedulers, connection service)USA
Prisma Data, Inc.Primary database hosting and connection pooling (Prisma Postgres)USA
Clerk, Inc.Authentication of customer usersUSA
Stripe, Inc.Payment processing (acts as independent controller for payment data)USA
Anthropic, PBCLLM processing for agent featuresUSA
OpenAI, L.L.C.LLM/creative generation for certain featuresUSA
Google LLCCloud AI services (creative generation), Google Analytics API access at customer instructionUSA
PostHog, Inc.Product analytics and session diagnosticsUSA
Resend, Inc.Transactional email deliveryUSA
Loops (loops.so)Lifecycle email deliveryUSA
Not Just Tickets Limited (Plain)Customer support messagingUK
Creatify AI, Inc.AI UGC/avatar creative generation (only when the customer uses these features)USA

Note: the advertising platforms themselves (Google Ads, Meta, LinkedIn, TikTok, Reddit, X, Microsoft, and others) are not sub-processors; they act under the customer's own agreements with them, and Synter transmits data to them at the customer's instruction.

Sub-processors | Synter