PII Redaction

Detects and redacts emails, phone numbers, national IDs, card numbers with Luhn validation, IBANs and IP addresses, returning offsets and types but never the redacted values.

POST /v1/text/pii-redaction $0.02 per call

Specification

Endpoint
POST /v1/text/pii-redaction
Price
$0.02 per call · tier advanced_analysis
Payment
x402 on X Layer (chain 196) · settled in USDG or USDT0 · scheme exact
Data source
Deterministic local computation on caller-supplied text
Timeout
15 seconds
Max request
1 MB
Version
1.0.0

Calling it

The first call returns a 402 with the payment challenge. Retry with a signed authorisation in the X-PAYMENT header — see the payment guide for the exact shape.

curl -i -X POST "https://api.dana-edu.pp.ua/v1/text/pii-redaction" \
  -H "content-type: application/json" \
  -d '{ ... }'

Response

Real output, captured by running this endpoint at build time — not written by hand. Volatile fields such as timestamps are elided. Captured 2026-07-30.

{
  "redacted_text": "Contact [EMAIL] or [PHONE]. Card [CREDIT_CARD].",
  "detection_count": 3,
  "detections": [
    {
      "type": "email",
      "start": 8,
      "end": 24,
      "length": 16
    },
    {
      "type": "phone",
      "start": 28,
      "end": 41,
      "length": 13
    },
    {
      "type": "credit_card",
      "start": 48,
      "end": 67,
      "length": 19,
      "luhn_valid": true,
      "brand": "Visa"
    }
  ],
  "types_checked": [
    "email",
    "phone",
    "credit_card"
  ],
  "note": "Offsets and types are returned. The detected values themselves are never included in the response, so this endpoint cannot become the source of the leak it exists to prevent."
}

Every response is wrapped in the same envelope: data plus warnings, sources, confidence, informational_only and a measured processing_ms. See the envelope reference.

Related endpoints