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Kukis

Sub-processors

Last updated: 20 September 2026

These are the companies Kukis relies on to run the service. Each one may process personal data of a merchant's shoppers on our behalf, under a data processing agreement with us.

CompanyWhat it does for KukisData it can seeWhere
Shopify International Ltd. The platform the app runs in: authentication, the admin, the storefront, webhooks and billing Shop and customer data the merchant already holds in Shopify Global, under Shopify's terms
Fly.io, Inc. Runs the application and its background worker Everything the app processes, while it is being processed Frankfurt, Germany. Fly.io is a US company operating that region
Neon Inc. The PostgreSQL database and its backups All stored data: email addresses and hashes, consent records, saved carts and wishlists, delivery events Frankfurt, Germany (aws-eu-central-1)
Resend (Plus Five Five, Inc.) Sends the app's email and reports delivery events Recipient address and the content of each email sent United States
Sentry (Functional Software, Inc.) Server-side error reports. Optional, and personal data is scrubbed before sending Error messages and technical context, with addresses, tokens and keys removed EU region

Transfers outside the EU

The application and the database run in the EU. Email is sent through Resend, a US provider, so recipient addresses and email content are processed in the United States under the EU Standard Contractual Clauses. Fly.io is a US company, but the compute and storage used here are in its Frankfurt region.

Changes

We give notice before adding or replacing a sub-processor, so merchants have the chance to object. To be told about changes, email main@kukis.nl.

See also the privacy policy and the data processing agreement.