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Customer support

Zendesk

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Zendesk is a US-based customer service and support platform providing ticketing, live chat (Zendesk Web Widget), email support, help centres, and AI-powered service automation. For European businesses, Zendesk offers an EU data region (Frankfurt) on certain plans. The Web Widget tracking cookies require consent, while ticket-based support may rely on legitimate interest or contract performance. Zendesk provides comprehensive GDPR documentation and a DPA.

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Overview

What does Zendesk do?

What is Zendesk?

Zendesk is a customer service and support platform providing a unified suite of tools including ticket management, live chat (Zendesk Web Widget and Messaging), email support, phone support, a self-service help centre, and AI-powered automation. It is used by businesses of all sizes to manage customer support interactions across multiple channels. Zendesk also provides Zendesk Sell (CRM) and Sunshine (customer data platform) products.

Personal data processed by Zendesk

Zendesk processes customer names, email addresses, phone numbers, ticket content, conversation history, device information, IP addresses, agent interactions, and any attachments or files submitted via tickets. Contact centre deployments may include call recordings. Help centre usage analytics track which articles are viewed and searched. The breadth of data depends on which Zendesk products are deployed.

Legal basis across Zendesk products

Different Zendesk features require different legal bases. Ticket-based customer support: contract performance or legitimate interest for the support function. Web Widget tracking cookies: consent under the ePrivacy Directive before the widget loads. Proactive chat initiated by Zendesk: legitimate interest for existing customers. Email marketing via Zendesk: separate consent required. Zendesk Sell CRM contacts: legitimate interest or contract performance depending on relationship.

EU data region

Zendesk offers an EU data region (Frankfurt) for customers on eligible plans. When configured, ticket data, user profiles, and conversation content are stored within the EU, eliminating SCCs for primary data flows. Request EU data region from your Zendesk account manager. Standard deployments use US infrastructure requiring SCCs.

Practical compliance steps

Sign the Zendesk DPA and request EU data region if required. Block the Zendesk Web Widget via CMP until cookie consent is obtained. Configure cookie consent settings in Zendesk Web Widget. Add Zendesk to your privacy policy. Define data retention periods in Zendesk and configure auto-deletion. Implement the Zendesk Users API for data subject access and erasure requests. For contact centre deployments, configure call recording notifications.

Compliance

Zendesk and the GDPR

Zendesk is classified as “Preferences”. On a site that targets European visitors, it must only load after the visitor consents, and it must be listed in your cookie policy.

Legal basis
Consent (Art. 6(1)(a) GDPR) required for Zendesk Web Widget tracking cookies under the ePrivacy Directive. Legitimate interest (Art. 6(1)(f)) may apply for ticket-based customer support conversations. Contract performance (Art. 6(1)(b)) for support as part of a service relationship. Different legal bases apply to different Zendesk products.
Risk level
medium
Applicable regulations
GDPR, ePrivacy Directive, SCCs for US deployments

Impact assessment (DPIA)

A DPIA is recommended for large-scale Zendesk deployments processing significant volumes of customer support data, particularly for contact centres, healthcare support, or financial services where sensitive personal information is regularly processed in tickets.

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We use Zendesk to provide customer support. Zendesk stores our support communications and may use cookies to recognise you across sessions. Data is processed in accordance with our privacy policy. You can contact us directly if you prefer not to use the chat widget.
Cookies and trackers

What Zendesk sets and contacts

Tracking method
JavaScript live chat widget (Zendesk Web Widget), email ticketing, help centre, first-party cookies, session tracking, user identification, conversation history
Server location
United States with EU data region option (Frankfurt)
Data transferred outside the EU
Zendesk is a US-based customer service platform. An EU data region (Frankfurt) is available for customers who require EU data residency. Standard deployments process data on US infrastructure requiring Standard Contractual Clauses. Zendesk provides a GDPR-compliant DPA.

Cookies set (2)

NameTypeDurationPurpose
__zlcmidpersistent1 yearZendesk live chat visitor identifier for maintaining chat session continuity across pages
ZD-buidpersistent1 yearZendesk browser identifier for session management and visitor recognition in the Web Widget

Third-party domains contacted (3)

  • zendesk.com
  • static.zdassets.com
  • ekr.zdassets.com
Questions

Frequently asked questions about Zendesk

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Does Zendesk require GDPR consent?

Zendesk Web Widget tracking cookies require consent under the ePrivacy Directive. Ticket-based support may rely on legitimate interest or contract performance without cookie consent. Load the Web Widget only after functional/analytics consent is obtained.

Does Zendesk offer EU data residency?

Yes. Zendesk offers an EU data region (Frankfurt) on eligible plans. Contact your Zendesk account manager to enable it. This keeps ticket data, user profiles, and conversations within the EU, eliminating SCCs for primary data flows.

What legal basis applies to Zendesk support tickets?

Contract performance (Art. 6(1)(b)) for support that is part of the service relationship. Legitimate interest (Art. 6(1)(f)) for managing customer support operations. Consent is not required for processing tickets submitted by customers seeking help.

What cookies does Zendesk Web Widget set?

Zendesk sets __zlcmid (visitor ID, 1 year) for the live chat widget and ZD-buid (browser ID) for session continuity. These require consent under the ePrivacy Directive before the widget loads.

Do I need a DPA with Zendesk?

Yes. Sign the Zendesk Data Processing Agreement (available at zendesk.com/company/privacy-and-data-protection). For EU data region customers, verify the DPA covers your specific residency configuration.

How do I handle data subject requests in Zendesk?

For access requests: use the Zendesk Users API to export user data and associated tickets. For erasure requests: use the Zendesk GDPR compliance features to delete user data. Zendesk provides a bulk deletion tool for contacts. Respond within 30 days and document all actions.

How long should I retain Zendesk ticket data?

Retention should be limited to what is necessary. For customer support: typically retain for the duration of the customer relationship plus a reasonable dispute resolution period (12-24 months). Configure automatic deletion in Zendesk or use scheduled cleanup via API.

Are there EU-based alternatives to Zendesk?

Freshdesk (EU data centre option), HelpScout (EU option), and Zammad (self-hostable, German origin) provide customer support functionality with EU data residency options.

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