Case Study Lozmar
How a Logistics Company Eliminated 100% of Manual Invoicing Errors
Services
Software Development
Industry
Logistics
Automating the 'Carta Porte' is the engine that keeps the fleet moving in a data-sensitive economy.”
The Client Project
In the high-stakes world of heavy-load transport, the primary barrier to maintaining Tier-1 partnerships isn’t fleet capacity; it’s the ability to provide flawless digital compliance.
For Fletes Lozmar, a Mexican logistics leader, the challenge was moving beyond manual processes to meet rigorous SAT fiscal mandates without slowing operations.
The Strategic Decision at Stake
Fletes Lozmar reached a critical crossroads: their manual invoicing process could no longer keep pace with the projected volume of 1,500 documents per day for partners like Ryder.
The decision to develop a proprietary API was a strategic move to centralize logistics and ensure a competitive edge. Without this pivot:
- Compliance Exposure: Manual errors in document generation risked heavy SAT fines and stalled shipments.
- Scale Limitations: The administrative burden of 1,500 manual documents created an artificial ceiling on business growth.
- Partner Friction: Inconsistent data flows threatened the "Gold Standard" status required by enterprise clients.
The Challenge: Solving the Risk of Manual Failure
The core challenge was the technical complexity of integrating legacy data with modern high-availability requirements while eliminating human error.
Key problems addressed:
- Processing Volume: The need to stamp (timbrado) up to 1,500 CFDIs daily with zero system downtime.
- Fragmented Data: Synchronizing driver and vehicle data from CONTPAQi with the Ryder platform in real-time.
- Mobile Accessibility: Ensuring drivers on the road could access mandatory PDF/XML files instantly to avoid roadside inspections or delays.
- Data Accuracy: Eliminating manual data entry by pulling information directly from .xml files to ensure 100% compliance.
Our Approach: Introduced Node.js and Docker for a Scalable Microservices Architecture
To eliminate operational friction, we implemented a microservices-based architecture that prioritizes data integrity and speed by moving away from manual entry.
We achieved:
All Technologies Used
We implemented a tech stack focused on automation and high availability:
The ability to deliver the project on time was incredible, and the high level of commitment by providing diverse solutions to integrate the requested feature.”
The Strategic Outcome: Problems Resolved
Decisions Unlocked
- 100% Fiscal Accuracy: Solidified the partnership with Ryder by guaranteeing zero-error compliance and securing enterprise trust.
- 10x Document Processing Capacity: Scaled operations to handle massive volumes without increasing administrative headcount.
- Real-Time Shipment Visibility: Transitioned to a centralized system that provides instant data-driven logistics for every route.
Risks Avoided
- Elimination of Fiscal Errors: Automated validation ensures that every stamped document meets SAT requirements, avoiding audits and fines.
- Operational Latency: The AWS-backed architecture eliminated the risk of system slowdowns during peak hours.
- Compliance Integrity: Centralized logging and a secure S3 repository ensure all records are ready for immediate review.
Problems That Stopped Existing
- Manual Processing Hurdles: High-volume billing is now a background process rather than a labor-intensive barrier.
- Information Silos: Real-time synchronization has replaced the "wait-and-sync" legacy workflow.
This case demonstrates that:
This case demonstrates that infrastructure is a business enabler. By treating fiscal compliance as a structural evolution, Fletes Lozmar didn’t just meet a mandate; they built an enterprise-grade platform ready for global scale.
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