the402 endpoint detail

← All endpoints

x402.fairseal.io pii detect

https://x402.fairseal.io/v1/pii/detect

answers 402

Scan text for PII using regex patterns: emails, international phone numbers, national ID numbers, passports, cryptocurrency private keys, credit card numbers, US Social Security Numbers, IPv4 addresses. Always returns sanitized text with PII redacted. Max 50,000 chars. Pattern-based — review for false positives.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.001
Network
base
Pay to
0xBd5eB5559f5Ac14475AC0C81b6735A4d9106ce28
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
445 ms
Payment options
2 usable of 2
Last checked
2026-09-06T01:22:48.821Z (21d ago)
Category
other

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402.fairseal.io%2Fv1%2Fpii%2Fdetect"