AI Automation/Technology

Stop Paying Per-Seat Fees for Off-the-Shelf AI

A custom algorithm involves a one-time build cost, offering the potential to avoid recurring per-user software fees common with off-the-shelf solutions. Conversely, off-the-shelf software typically has a lower upfront cost but incurs monthly fees that often scale with your team size or usage.

By Parker Gawne, Founder at Syntora|Updated Mar 5, 2026

Syntora designs and engineers custom demand forecasting algorithms for businesses seeking to optimize inventory, marketing, and sales strategies. Our approach involves comprehensive data integration, advanced machine learning model development, and robust deployment pipelines tailored to specific business needs.

The build cost for a custom algorithm in areas like demand forecasting depends heavily on data complexity, the number of existing systems requiring integration, and the desired model sophistication. For instance, creating a baseline forecast from clean Shopify sales data is a less complex endeavor than integrating that data with warehouse inventory, supplier lead times from a separate ERP, and promotional calendars, all of which would extend the development timeline and scope. Syntora would start by auditing your existing data sources and business processes to define an appropriate technical architecture and an accurate cost estimate.

The Problem

What Problem Does This Solve?

Many businesses start with a SaaS tool like Inventory Planner. It connects to Shopify and provides basic reorder points. But these tools use simple models like exponential smoothing. They cannot incorporate external data, like a planned marketing campaign or a competitor's stockout, which dramatically affects demand. The result is a forecast that reacts to the past but cannot predict the future.

Consider a 20-person e-commerce business selling seasonal goods. They tried Netsuite's demand planning module but found the per-seat costs were designed for 500-person companies. More importantly, the system is a black box. When it suggested ordering 5,000 units of a winter coat in August, there was no way to inspect the model's logic or understand its assumptions. The team could not trust a recommendation they could not explain.

The fallback is always a massive Google Sheet. The ops lead spends two days every month exporting Shopify sales, Google Analytics traffic, and Klaviyo email data. The spreadsheet has dozens of VLOOKUPs and pivot tables that break if a column name changes. A single copy-paste error can lead to a $50,000 ordering mistake. This manual process does not scale past 100 SKUs and is completely dependent on one person.

Our Approach

How Would Syntora Approach This?

Syntora's approach to building a custom demand forecasting system would begin with a thorough discovery phase. This would involve auditing your existing data landscape, including e-commerce platforms like Shopify, analytics tools such as Google Analytics, and marketing automation systems like Klaviyo. We would identify relevant data points for sales, page views, and campaign performance that can be extracted via their respective APIs.

For data ingestion, we would engineer robust Python scripts deployed on a serverless platform like AWS Lambda. These scripts would pull historical data (e.g., the last 24 months of daily sales) and regularly refresh it, loading it into a scalable database such as Supabase Postgres. Data cleaning, transformation, and feature engineering would be managed using dbt (data build tool). This process would involve joining disparate sources and constructing a comprehensive feature set for each SKU, potentially including over 70 features derived from sales, product attributes, and marketing activities.

The core of the system would be the predictive models. We would likely develop a multi-model ensemble approach, potentially utilizing a time-series model like Prophet for baseline forecasting and a gradient boosting model such as LightGBM to capture the impact of various covariates. The LightGBM model would be trained to learn intricate patterns, for example, how specific promotional emails or seasonal events influence product sales. Model validation would involve backtesting on historical data, establishing target metrics like Mean Absolute Percentage Error (MAPE) to ensure predictive accuracy meets business requirements.

Once validated, the trained model would be serialized and packaged into a Docker container. This container would be deployed as a highly performant API service using FastAPI on a serverless infrastructure like AWS Lambda, allowing for efficient scaling and execution. A scheduled job would trigger this service daily or as needed, enabling it to pull the latest data, generate updated forecasts (e.g., a 90-day outlook for all active SKUs), and write the predictions back into the Supabase database.

A key deliverable would be a user-friendly dashboard, potentially built with Streamlit, providing visibility into the forecast, actual performance, model accuracy metrics, and insights into the most impactful features driving predictions. This transparency is crucial for business users to trust and utilize the system. We would also implement monitoring and alerting for model performance, such as PagerDuty integration for significant deviations in accuracy. Throughout the engagement, Syntora would provide clear documentation and knowledge transfer to your team, ensuring long-term maintainability and understanding of the deployed system. The client would be responsible for providing API access credentials, business context, and feedback on model performance.

Why It Matters

Key Benefits

01

Forecasts in 4 Minutes, Not 4 Days

The daily forecasting run is fully automated and completes before your first coffee. No more manual data pulls or waiting for spreadsheets to calculate.

02

Pay for the Build, Not the Seats

A one-time project cost with minimal monthly hosting. Your cost is fixed, whether you have 2 users or 20 looking at the forecast.

03

Your Code, Your GitHub, Your IP

We deliver the complete Python source code, dbt models, and deployment scripts to your private GitHub repository. You own the asset.

04

Alerts When It Drifts, Not After

The system monitors its own accuracy against actual sales data. You get a PagerDuty alert if performance degrades, allowing for proactive retraining.

05

Data from Shopify, GA, and Klaviyo

The model ingests data directly from your core business systems via API. No manual CSV exports or data entry required.

How We Deliver

The Process

01

Week 1: Scoping and API Access

You provide read-only API credentials for Shopify, Google Analytics, and Klaviyo. We confirm data availability and finalize the exact forecast outputs you need.

02

Week 2: Model Development

We build and test the forecasting models. You receive a mid-week check-in report showing initial backtest results and feature importance.

03

Week 3: Deployment and Dashboard

We deploy the FastAPI service and the Streamlit dashboard. You receive a secure URL to access the dashboard and review the first live forecasts.

04

Weeks 4-8: Monitoring and Handoff

We monitor daily forecast accuracy and tune the model. At week 8, you receive a full runbook detailing the architecture and maintenance procedures.

The Syntora Advantage

Not all AI partners are built the same.

AI Audit First

Other Agencies

Assessment phase is often skipped or abbreviated

Syntora

Syntora

We assess your business before we build anything

Private AI

Other Agencies

Typically built on shared, third-party platforms

Syntora

Syntora

Fully private systems. Your data never leaves your environment

Your Tools

Other Agencies

May require new software purchases or migrations

Syntora

Syntora

Zero disruption to your existing tools and workflows

Team Training

Other Agencies

Training and ongoing support are usually extra

Syntora

Syntora

Full training included. Your team hits the ground running from day one

Ownership

Other Agencies

Code and data often stay on the vendor's platform

Syntora

Syntora

You own everything we build. The systems, the data, all of it. No lock-in

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FAQ

Everything You're Thinking. Answered.

01

How does the final cost get determined?

02

What happens if an API like Shopify's goes down?

03

How is this different from hiring a freelance data scientist on Upwork?

04

Can we add new data sources later, like our ad spend?

05

What kind of business is NOT a good fit for this?

06

What do we need from our end to make this successful?