CODEXTERS Blog

Engineering insights for builders and businesses

Practical guides on ERP and ERPNext, ZATCA e-invoicing compliance, AI and data engineering, SaaS product builds, and startup MVP development — written by the CODEXTERS engineering team.

ZATCA & Compliance • 12 min read

ZATCA E-Invoicing Phase 2 (Integration Phase): The Complete Compliance Guide

Phase 2 is where e-invoicing stops being a PDF with a QR code and becomes a real-time, API-driven integration to ZATCA. This guide breaks down every technical and operational requirement — from CSR and CSID onboarding to clearance, reporting, and Wave 25 deadlines.

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ZATCA & Compliance • 10 min read

ZATCA Wave 25: Who Is Affected & How Clinics, Restaurants, Workshops & SMEs Comply

Wave 25 pulls a new tranche of Saudi businesses into the ZATCA Phase 2 Integration Phase. Here is exactly who is affected, the deadlines that apply, and a practical readiness plan covering clinics, restaurants, car workshops, retail, contracting, and SMEs.

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ZATCA & Compliance • 11 min read

ZATCA E-Invoicing Penalties & Fines: What Non-Compliance Really Costs

ZATCA fines for e-invoicing non-compliance go beyond a one-off charge — they scale with repetition, block B2B payments, and trigger audit exposure. This guide explains the penalties, how they are applied, and how to fix violations before they escalate.

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ERP & ERPNext • 13 min read

How to Integrate ZATCA E-Invoicing Into Your Existing ERP (Without Rebuilding)

You do not need to replace your ERP to become ZATCA Phase 2 compliant. This guide explains how to add a compliant e-invoicing integration layer on top of your existing system — architecture, data mapping, signing, clearance/reporting, and rollout.

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Consumer Apps • 9 min read

How to Restore a Snapchat Streak: The Complete 2026 Guide

A Snapchat streak can take months to build and seconds to lose. This guide explains exactly how streaks expire, what Snapchat officially restores, and how the Streak Assist app helps you bring a streak back and keep it alive.

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Consumer Apps • 8 min read

How to View Snapchat Profiles, Stories, Spotlight & Highlights Online

Snapchat stories and Spotlight clips are public content, but viewing them outside the app is awkward. Here is what you can actually see, and how the Snap Tools viewer inside Streak Assist makes profile, story, spotlight and highlights lookups simple.

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