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By default, Particle keeps the contents of your organization’s API and MCP requests for 90 days, so you can inspect them in Request Logs and Particle can investigate support and security issues. Zero data retention (ZDR) is a per-organization setting: with it on, Particle keeps that each request happened, but not what it contained.

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What is kept

Under zero data retention, Request Logs still lists every request, marked Omitted under zero data retention in place of its contents. Particle’s operational logs and traces for your requests keep the same metadata and drop the same contents.

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What is covered

Zero data retention covers every request your organization makes to the REST API and the MCP server, whichever credential it uses. These are not covered:
  • Alerts. An alert’s definition (title, description, keyword, watched entity, filters, and notification addresses) and its results (matches and deliveries) are stored as part of the alerts feature. See Alerts → Data retention.
  • Radar. Searches and questions in Particle Radar are not covered.
  • Account and billing data. Your organization’s name, members, projects, plan, invoices, and billing emails are kept to run your account.
  • Requests made before zero data retention was turned on. The setting applies to requests from the moment it takes effect. Contents already in Request Logs expire on the normal 90-day schedule.

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Check your organization’s setting

Open Organization settings in the . The Data retention section shows On · 90 days when Particle keeps request contents, or Zero data retention and the date it was turned on.

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Request zero data retention

Zero data retention is turned on by Particle staff; there is no self-serve switch.
  1. In Organization settings → Data retention, click Contact support. The email is addressed to and names your organization.
  2. Particle staff turn the setting on for your organization. It takes effect on every request within about 30 seconds.
  3. The Data retention section then shows Zero data retention and the date it was turned on.
To turn zero data retention off, contact support the same way. You can also reach the team from the .

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Subprocessors and commitments

The subprocessors that handle customer data, and Particle’s contractual commitments, are listed in the Particle Trust Center.