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Dictionary

PII Redaction

Stripping personally identifiable information before sending to a model.

1 min readupdated 2026-07-04

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PII redaction detects names, emails, phone numbers, IDs and replaces them with tokens before the payload leaves your infrastructure. Reversed on the response for the end user. Stripping personally identifiable information before sending to a model.

Stripping personally identifiable information before sending to a model. PII redaction detects names, emails, phone numbers, IDs and replaces them with tokens before the payload leaves your infrastructure. Reversed on the response for the end user. In practice: A customer-support pipeline replaces 'John (john@acme.com)' with '[USER_1] ([EMAIL_1])' pre-inference.
Definition
PII redaction detects names, emails, phone numbers, IDs and replaces them with tokens before the payload leaves your infrastructure. Reversed on the response for the end user.
Example
A customer-support pipeline replaces 'John (john@acme.com)' with '[USER_1] ([EMAIL_1])' pre-inference.
Related Workflows

/ frequently asked

What is PII Redaction?

PII redaction detects names, emails, phone numbers, IDs and replaces them with tokens before the payload leaves your infrastructure. Reversed on the response for the end user.

What is an example of PII Redaction?

A customer-support pipeline replaces 'John (john@acme.com)' with '[USER_1] ([EMAIL_1])' pre-inference.

Why does PII Redaction matter?

Stripping personally identifiable information before sending to a model.

What should I learn after PII Redaction?

Open the related workflows and prompts further down this page: they show how this idea is applied in a real task, step by step.

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Related workflows

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