generated: '2026-07-19'
method: derived
source: >-
  https://docs.infakt.pl/ + https://www.infakt.pl/ksef/ + live probes of
  https://api.infakt.pl/api/v3/
standards:
- id: rest-json
  conforms: true
  evidence: REST resources served as JSON under /api/v3/ with .json addressing
- id: apikey-auth
  conforms: true
  evidence: X-inFakt-ApiKey header (openapi-style apiKey/header scheme)
- id: oauth2
  conforms: false
  evidence: no OAuth2 authorization-server or openid-configuration well-known (both 404)
- id: oidc
  conforms: false
- id: rfc9457-problem-details
  conforms: false
  evidence: errors use a flat {"error":"..."} envelope, not application/problem+json
- id: ksef
  conforms: true
  evidence: >-
    Native integration with KSeF (Krajowy System e-Faktur), Poland's National
    e-Invoice System, including sending/receiving e-invoices via the inFakt API
- id: jpk-v7
  conforms: true
  evidence: Generates and files JPK_V7 (Polish standard audit file for VAT)
- id: gdpr
  conforms: true
  evidence: EU-based (Poland) processor of business/personal data; privacy policy published