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Dev.to
7/9/2026
How to Anonymize PII in Text with an API

How to Anonymize PII in Text with an API

Short summary

Data masking replaces sensitive PII with realistic synthetic data while preserving structure and usability for development, testing, analytics, and data sharing. Veramask provides a dynamic masking API with two endpoints (text and JSON), offering five transformation strategies: substitution, masking, redaction, hashing, and replacement with custom values. Use consistency salts for deterministic pseudonymization across datasets, and configure per-entity-type overrides for fine-grained control.

  • Data masking transforms PII into synthetic substitutes while preserving data structure for development, testing, and analytics
  • Veramask API offers two endpoints (text and JSON) with five configurable strategies (substitute, mask, redact, hash, replace)
  • Use consistency salts for deterministic results across datasets and per-entity-type overrides for granular control

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