Add Blindfold: PII detection NLP API service

[michalvich]

What is Blindfold?

Blindfold is an NLP API service focused on PII (personally identifiable information) detection and protection. It uses named entity recognition to identify personal data across 18+ languages and provides multiple protection modes.

Why it belongs in Services

The Services section covers "NLP as API with higher level functionality such as NER, Topic tagging and so on." Blindfold fits this category as an NER-based API service that:

• Detects PII entities (names, emails, phone numbers, addresses, SSNs, credit cards, IBAN numbers, etc.) using NER models
• Supports 18+ languages including English, German, French, Spanish, Italian, Portuguese, Dutch, Polish, Russian, and more
• Provides REST API with Python SDK (blindfold-sdk) and Node.js SDK (@blindfold/sdk)
• Multiple output modes: tokenization, redaction, masking, and encryption
• Free tier: 1M characters/month

Placement

Added to the Services section at the end of the list.

• Website: https://blindfold.dev
• Docs: https://docs.blindfold.dev
• PyPI: https://pypi.org/project/blindfold-sdk/
• npm: https://www.npmjs.com/package/@blindfold/sdk