If you are using QR Batch as a customer and have agreed to our terms of service, you do not need to sign an additional Data Processing Addendum (DPA). As of May 25th 2018, our user terms of service include a provision to ensure compliance with GDPR.
If you are a customer who needs further documentation of compliance with QR Batch acting as a Processor you can sign our DPA as follows.
Here is a sample of what our DPA looks like: Download Sample DPA
You may email us at firstname.lastname@example.org for further information, or refer back to our detailed GDPR help page for common questions and clarifications.