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Case Study

How We Reduced a Client's Ops Costs by 60% in 30 Days

How We Reduced a Client's Ops Costs by 60% in 30 Days
40h/wk
Manual Work Saved
60%
OPEX Reduction
14 Days
Implementation time

"We are spending thousands of dollars a month just to copy and paste data between our email, WhatsApp, and our custom CRM."

This is what the CEO of a mid-sized logistics firm told us during our initial audit. They had a team of three people doing nothing but transferring tracking numbers, updating delivery statuses, and sending manual WhatsApp confirmations to clients.

The Problem

Their workflow looked like this:

  1. A driver sends a photo of a signed delivery receipt via a WhatsApp Group.
  2. The dispatcher downloads the photo to their computer.
  3. They open an Excel tracker to find the corresponding order.
  4. They manually type "Delivered" in the company's legacy CRM.
  5. Finally, they write a manual WhatsApp message to the end-client saying: "Your package is delivered."

This took about 4 minutes per delivery. At 200 deliveries a day... you do the math. They were drowning in administrative debt.

The digno.ai Solution

We mapped out the entire process and built a highly resilient, fault-tolerant workflow in n8n.

Step 1: Extracting from WhatsApp (Evolution API)

We connected their dispatch WhatsApp number to Evolution API. Now, whenever a driver sends an image to the dispatch group, n8n instantly catches the webhook containing the image file and the sender's phone number.

Step 2: AI Vision for Document Processing

We pass the image to OpenAI's GPT-4 Vision model with a strict prompt: "Extract the Waybill Tracking Number from this delivery receipt image. Return ONLY the number in JSON format." The AI reads the blurry, handwritten driver receipts with 99.4% accuracy.

Step 3: Database Updating

By using the extracted Tracking Number, n8n queries their backend SQL database via a simple secure API, updates the row status to "DELIVERED", and pulls the end-customer's phone number.

Step 4: Automated Client Notification

Finally, we route the end-customer's number back to Evolution API, sending an automated, personalized message: "Hi [Name], your package [Tracking #] was just delivered. Thank you!"

The Outcome

What previously took 3 full-time employees thousands of hours per year is now entirely handled by a server that costs $25/month and API calls that cost roughly $40/month.

The company was able to move those 3 employees from data entry to high-value outbound sales roles, effectively turning a sunken operational cost into a revenue-generating unit.

This is exactly what we do. We don't sell tools, we sell outcomes. If you have processes that resemble "copying data from System A to System B", it's time to automate it. Get a free audit today.