@intelation/nexis

Find and remove personal data (PII) from text before it reaches an LLM, a log, a vendor or a researcher. Regulation-aware (UK GDPR, GDPR, HIPAA, Privacy Act), powered by Intelation Nexis. Zero dependencies, Node 18+.

Full guide: intelation.com/integrations/javascript.

npm install @intelation/nexis
export NEXIS_API_KEY=...   # free key: https://nexis.intelation.com

import { Nexis } from '@intelation/nexis';

const nexis = new Nexis();
const { anonymized_text } = await nexis.redact('Email [email protected], NHS 943 476 5919');
// -> "Email [REDACTED], NHS [REDACTED]"

Try it from the terminal

npx @intelation/nexis redact "Call Jane Doe on 020 7946 0958"
echo "patient notes..." | npx @intelation/nexis pseudonymization --country "HIPAA|United States||en"

Methods

| Call | Result | |---|---| | redact | [REDACTED] | | replace | entity type, e.g. <PERSON> | | mask | **** (options: maskingChar, charsToMask, fromEnd) | | hash | first 10 chars of SHA-256 | | pseudonymization | realistic fake value of the same type | | tokenization | ENTITY_001 placeholders | | encryption / decrypt | reversible, needs a Fernet key (NEXIS_ENCRYPTION_KEY) | | detect | lists the PII found, text unchanged (max 5,000 chars) |

Options on every call: country ("regulation|country|sub-region|language" or object; defaults to the first country in your plan), selectedEntities, excludedEntities, allowList, denyList.

Errors

Failures throw NexisError with a plain-English message, a description saying what to do next, and the HTTP status.

Also available

• n8n-nodes-nexis: the same engine as an n8n node.

MIT © Intelation