https://www.solutionbox.ai/blog AI integrace, KSeF / e-fakturace, modernizace legacy systémů a custom vývoj. Praktické články od SolutionBox. en https://www.solutionbox.ai/blog/peppol-software-cena-vyber https://www.solutionbox.ai/blog/peppol-software-cena-vyber PEPPOL access points have no fixed price list - you pay per transaction. How to choose between a ready-made provider (Dativery, ESO9) and your own certification. Tue, 14 Jul 2026 00:00:00 GMT PEPPOL E-invoicing https://www.solutionbox.ai/blog/ai-v-ucetnictvi-co-automatizuje https://www.solutionbox.ai/blog/ai-v-ucetnictvi-co-automatizuje What AI in accounting can actually do — invoice extraction, payment matching, categorization, checks. And what it cannot — decisions, exceptions, accountability. When SaaS is enough and when you need custom. Wed, 24 Jun 2026 00:00:00 GMT Accounting AI Automation Fintech https://www.solutionbox.ai/blog/automaticke-parovani-plateb https://www.solutionbox.ai/blog/automaticke-parovani-plateb How automated payment-to-invoice matching works. Deterministic matching via the variable symbol vs cases where the VS is missing — partial and merged payments, foreign currency, fuzzy matching, a manual queue, and an audit log. Wed, 24 Jun 2026 00:00:00 GMT Accounting AI Automation Fintech https://www.solutionbox.ai/blog/background-location-realne-telefony https://www.solutionbox.ai/blog/background-location-realne-telefony In the demo, driver location tracking runs without issues. In production — phone in a pocket, app in the background all day — the OS kills the app and the location disappears. How to handle it properly. Wed, 24 Jun 2026 00:00:00 GMT Mobile Development Flutter Real-time https://www.solutionbox.ai/blog/bank-reconciliation-business-central https://www.solutionbox.ai/blog/bank-reconciliation-business-central Business Central matches payments natively — until missing references, currencies and volume break it. Extend it with fuzzy AI matching and an audit log. Wed, 24 Jun 2026 00:00:00 GMT Accounting AI Automation Fintech https://www.solutionbox.ai/blog/co-je-geo-a-aeo https://www.solutionbox.ai/blog/co-je-geo-a-aeo SEO optimizes for Google. GEO and AEO optimize for being cited in AI answers — ChatGPT, Perplexity, Google AI Overviews. How they differ and what to actually do. Wed, 24 Jun 2026 00:00:00 GMT GEO AEO SEO Marketing https://www.solutionbox.ai/blog/co-je-vibe-trading https://www.solutionbox.ai/blog/co-je-vibe-trading How vibe trading works in production: an LLM reads market news, scores sentiment and emits structured trading signals. Real architecture, real limits. Wed, 24 Jun 2026 00:00:00 GMT AI Fintech Algorithmic trading LLM https://www.solutionbox.ai/blog/e-fakturace-povinna-zeme-prehled https://www.solutionbox.ai/blog/e-fakturace-povinna-zeme-prehled Which countries have mandatory B2B e-invoicing and when. Poland KSeF, Belgium Peppol, Germany, Italy SdI, France, Spain, EU ViDA. Verified dates, hedged where uncertain. Wed, 24 Jun 2026 00:00:00 GMT E-invoicing KSeF Peppol ViDA Compliance https://www.solutionbox.ai/blog/eu-vida-co-to-je-a-co-znamena https://www.solutionbox.ai/blog/eu-vida-co-to-je-a-co-znamena ViDA reforms EU VAT for the digital age: three pillars, e-invoicing deadlines to 2035, and what it means for Czech and EU companies. Wed, 24 Jun 2026 00:00:00 GMT ViDA E-invoicing EU KSeF Compliance https://www.solutionbox.ai/blog/geo-aeo-checklist-citace-v-ai https://www.solutionbox.ai/blog/geo-aeo-checklist-citace-v-ai Seven concrete steps that increase the chance of AI systems like ChatGPT, Perplexity or Google AI Overview citing you as a source. No theory — just what to do and why. Wed, 24 Jun 2026 00:00:00 GMT GEO AEO SEO checklist https://www.solutionbox.ai/blog/isdoc-peppol-ksef-jak-zapadaji https://www.solutionbox.ai/blog/isdoc-peppol-ksef-jak-zapadaji ISDOC is a Czech format, PEPPOL a European transport layer, KSeF a Polish government system. How they relate, and what a company should take away from it. Wed, 24 Jun 2026 00:00:00 GMT KSeF E-invoicing PEPPOL ISDOC EU https://www.solutionbox.ai/blog/isdoc-soubor-co-to-je https://www.solutionbox.ai/blog/isdoc-soubor-co-to-je ISDOC is the Czech e-invoice format. Open an .isdoc file for free in 2 minutes, import it into accounting software, or parse it in code — 2026 guide. Wed, 24 Jun 2026 00:00:00 GMT ISDOC E-invoicing .NET Integration https://www.solutionbox.ai/blog/jak-delame-software-s-ai-agenty https://www.solutionbox.ai/blog/jak-delame-software-s-ai-agenty How we actually use AI agents in development — orchestrator + workers, reference discovery, spec-driven workflow. And a war story about how a popular .NET abstraction silently killed prompt caching and cost us money. Wed, 24 Jun 2026 00:00:00 GMT AI dotnet Development LLM Architecture https://www.solutionbox.ai/blog/jak-dlouho-trva-vyvoj-softwaru https://www.solutionbox.ai/blog/jak-dlouho-trva-vyvoj-softwaru Most estimates are two to three times longer than they need to be. But not always. An honest look at what speeds a project up and what actually stops it. Wed, 24 Jun 2026 00:00:00 GMT Development Business Architecture https://www.solutionbox.ai/blog/jak-jsme-postavili-carivio https://www.solutionbox.ai/blog/jak-jsme-postavili-carivio A three-platform taxi dispatching system in 4 months. 128,000 lines of backend, real-time ride auctions via SignalR, PostGIS geospatial, production Claude AI. What was hard and what you never see in a demo. Wed, 24 Jun 2026 00:00:00 GMT Case study dotnet Real-time Mobile Dispatching https://www.solutionbox.ai/blog/jak-se-pripravit-na-eu-vida https://www.solutionbox.ai/blog/jak-se-pripravit-na-eu-vida ViDA entered into force on 14 April 2025. The EN 16931 cross-border obligation arrives on 1 July 2030. Here is a checklist of what to do before the deadlines catch you off guard. Wed, 24 Jun 2026 00:00:00 GMT ViDA E-invoicing EU Compliance https://www.solutionbox.ai/blog/kdy-prerust-krabicovy-dispecink https://www.solutionbox.ai/blog/kdy-prerust-krabicovy-dispecink Webdispečink or Taxinity are a great start. But there comes a point when your operation no longer fits what the package can offer. How to recognise that moment — and what a custom platform actually delivers. Wed, 24 Jun 2026 00:00:00 GMT Dispatching Business Logistics Custom https://www.solutionbox.ai/blog/kolik-stoji-erp-na-miru https://www.solutionbox.ai/blog/kolik-stoji-erp-na-miru Custom ERP vs Odoo, SAP and off-the-shelf systems. What actually drives the price, when building your own pays off, and when to buy ready-made. A decision article without marketing. Wed, 24 Jun 2026 00:00:00 GMT ERP Custom software Architecture Cost https://www.solutionbox.ai/blog/kolik-stoji-ksef-integrace https://www.solutionbox.ai/blog/kolik-stoji-ksef-integrace What drives the price of KSeF integration and why the cheapest option ends up costing the most. Real numbers, not marketing estimates. Wed, 24 Jun 2026 00:00:00 GMT KSeF E-invoicing Business https://www.solutionbox.ai/blog/kolik-stoji-mobilni-aplikace https://www.solutionbox.ai/blog/kolik-stoji-mobilni-aplikace The price of a custom mobile app is not driven by screen count. It is driven by the backend, real-time, integrations and the number of platforms. What decides it and where you can save. Wed, 24 Jun 2026 00:00:00 GMT Mobile apps Flutter .NET MAUI Development cost https://www.solutionbox.ai/blog/kolik-stoji-software-na-miru https://www.solutionbox.ai/blog/kolik-stoji-software-na-miru Why comparing software quotes is nearly impossible and how to make sense of pricing. Rate structures, blended rate, fixed-price vs. T&M, and when SaaS falls short. Wed, 24 Jun 2026 00:00:00 GMT Business Software Integration https://www.solutionbox.ai/blog/kolik-stoji-web https://www.solutionbox.ai/blog/kolik-stoji-web Website cost spans two orders of magnitude depending on whether it is a presentation site or a custom application. What drives the price, when a template is enough, and when custom pays off. Wed, 24 Jun 2026 00:00:00 GMT Website cost Web application Custom development https://www.solutionbox.ai/blog/ksef-api-chyby-dotnet https://www.solutionbox.ai/blog/ksef-api-chyby-dotnet KSeF is an async, rate-limited, stateful government system. These are the error categories we hit in .NET integrations and the concrete patterns to handle each one. Wed, 24 Jun 2026 00:00:00 GMT KSeF dotnet E-invoicing API https://www.solutionbox.ai/blog/ksef-b2b-exportni-faktury https://www.solutionbox.ai/blog/ksef-b2b-exportni-faktury KSeF is mandatory for B2B invoices of Polish VAT payers from 2026. B2C, export and foreign suppliers follow different rules — learn what you must send. Wed, 24 Jun 2026 00:00:00 GMT KSeF E-invoicing B2B Export Integration https://www.solutionbox.ai/blog/ksef-business-central-napojeni https://www.solutionbox.ai/blog/ksef-business-central-napojeni How to actually connect KSeF to Dynamics 365 Business Central — invoice mapping, durable submit, status polling, UPO back into BC, reconciliation, and outage handling. Tested on hundreds of thousands of documents in production. Wed, 24 Jun 2026 00:00:00 GMT KSeF Business Central E-invoicing dotnet https://www.solutionbox.ai/blog/ksef-co-to-je https://www.solutionbox.ai/blog/ksef-co-to-je KSeF is the Polish state e-invoicing system — mandatory from 1 Feb 2026 for large VAT payers and from 1 Apr 2026 for other VAT payers. What it means for Czech companies. Wed, 24 Jun 2026 00:00:00 GMT KSeF E-invoicing Poland Compliance https://www.solutionbox.ai/blog/ksef-token-certifikat https://www.solutionbox.ai/blog/ksef-token-certifikat Token, qualified certificate, KSeF certyfikat, uprawnienia, and ZAW-FA. How to log in to KSeF and what to handle when connecting a .NET application. The token works only until the end of 2026. Wed, 24 Jun 2026 00:00:00 GMT KSeF E-invoicing Integration Authentication https://www.solutionbox.ai/blog/ksef-zkusenost-prenos-na-vida-peppol https://www.solutionbox.ai/blog/ksef-zkusenost-prenos-na-vida-peppol KSeF, a PEPPOL access point, and ViDA digital reporting are all connections to a regulated system. Same machinery: idempotence, retry, reconciliation, rate limiting, audit log. What I verified on hundreds of thousands of documents holds for the EU too. Wed, 24 Jun 2026 00:00:00 GMT KSeF E-invoicing EU ViDA PEPPOL Integration https://www.solutionbox.ai/blog/llms-txt-co-to-je https://www.solutionbox.ai/blog/llms-txt-co-to-je llms.txt is a file in your web root that tells AI models what to know about you and when to recommend you. How it differs from robots.txt, what to put in it, and how to verify that bots actually read it. Wed, 24 Jun 2026 00:00:00 GMT GEO AEO llms.txt SEO https://www.solutionbox.ai/blog/nasazeni-ai-do-produkce https://www.solutionbox.ai/blog/nasazeni-ai-do-produkce The AI agent demo looks great. Production breaks it — runaway loops, hallucinations, zero visibility. Six things you need before you go live. Wed, 24 Jun 2026 00:00:00 GMT AI Production LLM Agents https://www.solutionbox.ai/blog/parovani-plateb-bankovni-vypis https://www.solutionbox.ai/blog/parovani-plateb-bankovni-vypis A technical look at payment matching: connecting to a bank API, normalization, matching rules, fuzzy matching without a variable symbol, idempotence, and reconciliation. Real edge cases. Wed, 24 Jun 2026 00:00:00 GMT Accounting AI Automation Fintech https://www.solutionbox.ai/blog/peppol-access-point-co-to-je https://www.solutionbox.ai/blog/peppol-access-point-co-to-je A PEPPOL access point is your entry to the European e-invoicing network. When you need one (B2G, Belgium, ViDA 2030), when you do not, and why a provider beats your own. Wed, 24 Jun 2026 00:00:00 GMT PEPPOL E-invoicing ViDA EU https://www.solutionbox.ai/blog/proc-platby-konci-v-rucni-fronte https://www.solutionbox.ai/blog/proc-platby-konci-v-rucni-fronte Deterministic payment matching on the variable symbol fails on a wrong VS, partial and merged payments, and foreign currency. Why it costs hours of accounting work and how AI fuzzy matching shrinks that queue. Wed, 24 Jun 2026 00:00:00 GMT Accounting AI Automation Fintech https://www.solutionbox.ai/blog/real-time-dispatching-signalr https://www.solutionbox.ai/blog/real-time-dispatching-signalr How to build real-time dispatching for a fleet with SignalR — auction model, 4 hubs, separating push from live sync, one source of truth, and 12 background jobs for timeouts. Wed, 24 Jun 2026 00:00:00 GMT Real-time SignalR dotnet Architecture Dispatching https://www.solutionbox.ai/blog/strukturovana-data-json-ld https://www.solutionbox.ai/blog/strukturovana-data-json-ld What JSON-LD and schema.org are, why they help Google and AI, and how to implement the four most impactful types — Organization, Article, FAQPage, BreadcrumbList. Wed, 24 Jun 2026 00:00:00 GMT SEO JSON-LD structured-data GEO https://www.solutionbox.ai/blog/vyvoj-softwaru-na-miru-kdy https://www.solutionbox.ai/blog/vyvoj-softwaru-na-miru-kdy Custom software is not always the right answer. Where the tipping point sits between an off-the-shelf product and your own build, what to watch out for, and when to just buy. Wed, 24 Jun 2026 00:00:00 GMT Custom software development Custom software Architecture https://www.solutionbox.ai/blog/co-umime-dokazat https://www.solutionbox.ai/blog/co-umime-dokazat Instead of a CV rundown — five real projects, one principle from each, showing how we think about the work. Enterprise performance, resilient integration under load, a complete product from scratch, AI inside real systems, and AI inside a fintech system that trades with its own state. Tue, 23 Jun 2026 00:00:00 GMT SolutionBox Case study .NET AI Integration https://www.solutionbox.ai/blog/modularplatform-stabilni-zaklad https://www.solutionbox.ai/blog/modularplatform-stabilni-zaklad Most products start as a proof of concept that gets patched for years. We build a modular foundation designed from the start for reliability, extensibility, and no vendor lock-in. What that means in practice and why it saves clients time and money. Tue, 23 Jun 2026 00:00:00 GMT Architecture .NET Multitenancy Modular monolith SolutionBox https://www.solutionbox.ai/blog/ai-agent-na-faktury https://www.solutionbox.ai/blog/ai-agent-na-faktury A practical, honest look for mid-sized companies: what an AI invoice agent actually does, where it saves money, and where it breaks down. Fri, 05 Jun 2026 00:00:00 GMT AI Automation Invoices https://www.solutionbox.ai/blog/robustni-ksef-integrace https://www.solutionbox.ai/blog/robustni-ksef-integrace KSeF is not just an HTTP call. It is an async, rate-limited government system that goes down. Here is how to build an integration that never loses an invoice. Fri, 05 Jun 2026 00:00:00 GMT KSeF E-invoicing Integration https://www.solutionbox.ai/blog/ksef-2026-terminy-pokuty https://www.solutionbox.ai/blog/ksef-2026-terminy-pokuty KSeF mandatory from 1 Feb 2026 for large VAT payers, 1 Apr 2026 for the rest. No fines in 2026, enforcement from 1 Jan 2027. Deadlines and readiness checklist. Thu, 04 Jun 2026 00:00:00 GMT KSeF E-invoicing Compliance https://www.solutionbox.ai/blog/modernizace-legacy-dotnet https://www.solutionbox.ai/blog/modernizace-legacy-dotnet A large Czech bank spent 2+ hours generating contracts, CPU at 95%. After the refactor: 3 minutes, CPU 15%. Here is how we found the bottleneck and fixed it. Tue, 02 Jun 2026 00:00:00 GMT Legacy .NET Performance