Notes on hiring, security, and how we build Kit.
Compare KSeF TEST, DEMO, and PRD trust, data, API-version, and legal-effect boundaries, then promote an integration without leaking invoice data.
Diagnose KSeF FA(3) validation errors by separating XML, semantic, duplicate, authentication, and transport failures, then retrying safely in production.
Learn how PIPEDA applies to candidate data retention, why there is no universal deadline, and how to build a defensible Canadian hiring schedule.
Build a reliable KSeF UPO API flow: poll invoice status, handle terminal failures, verify the UPO XML, and archive durable acceptance evidence.
Learn the current KSeF API rate limits, how rolling windows work, and how to retry 429 responses without duplicating invoice submissions in production.
Implement KSeF 2.0 authentication with certificates, XAdES, access and refresh tokens, least-privilege permissions, and a safe 2027 migration plan.
Compare Canadian job-posting requirements in Ontario, British Columbia, PEI, and Newfoundland and Labrador, with a practical 2026 checklist.
Ontario employers using AI to screen, assess, or select applicants must disclose it in public job postings. See who is covered and what to say.
Learn how to map invoice data into FA(3), validate KSeF XML locally, avoid identity-field traps, and promote safely from TEST to production.
Displaying items 73-81 of 236 in total