Subprocessor List

Effective date: April 12, 2026•1 min read•ID: k-SUB

This document describes the subprocessor list for ksign.co. Please read it carefully. By using our services, you agree to the conditions outlined herein.

1. Authorized Subprocessors

ksign utilizes trusted third-party subprocessors to provide its services. All subprocessors are vetted for security and compliance.

Infrastructure

Amazon Web Services (AWS) - Data hosting, computing, and storage (Global regions).

Service Operations

Stripe, Inc. - Secure payment processing and billing operations.

Communication

SendGrid (Twilio) - Transactional email and notification delivery.