# Navix > Navix is AI-powered freight audit and payment software for freight brokers, third-party logistics providers (3PLs), and asset-based carriers. It audits every carrier invoice at the line-item level, automates dispute resolution and approvals, and lowers days sales outstanding (DSO) so logistics companies get paid sooner. Navix works on top of your existing TMS, ERP, and accounting systems. ## Product - [Platform](https://www.navix.io/platform/): AI freight audit, invoicing, and payment automation — capture, audit, approve, and sync to your TMS/ERP. - [Solutions](https://www.navix.io/solutions/): Freight audit and payment for brokers, 3PLs, and asset-based carriers. - [Freight Audit Software for Brokers](https://www.navix.io/freight-broker-software-solutions/): Line-item audit and payment automation for freight brokers. - [Freight Audit Software for 3PLs](https://www.navix.io/navix-for-3pls/): Automated invoice validation for 3PLs, without replacing the TMS. - [Logistics Management Software Integration](https://www.navix.io/logistics-management-software/): How Navix layers audit, invoicing, and payments onto logistics management software. - [How to Buy](https://www.navix.io/how-to-buy/): Assessment, proposal, and onboarding process. ## Key concepts - [The Importance of DSO for 3PLs and Freight Brokers](https://www.navix.io/the-importance-of-dso-for-3pls-and-freight-brokers/): What days sales outstanding (DSO) is, the formula, benchmarks, and how to reduce it. - [Proof of Delivery (POD) in Freight](https://www.navix.io/the-importance-of-proof-of-delivery/): What POD is and how it drives faster billing and lower DSO. - [How to Master Freight Audit & Invoicing](https://www.navix.io/how-to-master-your-freight-audit-invoicing/): The workflow, what to check on every invoice, and common errors. - [Why the Traditional FAP Model Is Broken](https://www.navix.io/why-the-traditional-fap-model-is-broken-what-can-be-done-about-it/): Why manual freight audit and payment fails, and how automation fixes it. - [Freight Audit & Invoicing Trends](https://www.navix.io/four-trends-in-freight-audit-invoicing-for-2024/): AI, automation, data visibility, and faster cash conversion. ## Customer stories - [Axle Logistics](https://www.navix.io/axle-logistics-freight-audit-automation-navix/): Reallocated nearly half its audit team while absorbing ~30% more load volume without adding auditors. - [Bison Transport](https://www.navix.io/bison-transport-selects-navix-to-accelerate-freight-audit-automation-across-both-asset-and-non-asset-divisions/): Automating freight audit across asset and non-asset divisions. - [Entourage Freight Solutions](https://www.navix.io/navix-brings-ai-powered-invoicing-automation-to-entourage-freight-solutions/): Automated freight invoicing and AP inside McLeod TMS. - [Mariner Logistics](https://www.navix.io/mariner-logistics-navix-charting-a-course-to-financial-execution-automation/): AI-native freight audit inside an existing TMS. ## Contact - [Book a Demo](https://www.navix.io/book-a-demo/): See Navix audit your own invoices.