WhatsApp Sales Automation Setup

We are looking for a freelancer who can build a fully automated WhatsApp sales system for digital products.

Main Requirement:

We want customers to be able to buy our digital products directly through WhatsApp with as little manual work as possible.

Required Automation:
Customer comes to WhatsApp through ads or our website
Automated WhatsApp conversation starts
Customer can see product information and pricing
Customer can select the product they want to purchase
Payment link is automatically sent
Payment confirmation is automatically detected
After successful payment, the digital product/download link is automatically sent to the customer on WhatsApp
Order/customer details should be recorded automatically
Automated messages for successful and failed payments
No manual order processing should be required
System should work 24/7
Integration:

The freelancer should integrate WhatsApp with our website, payment gateway, and digital product delivery system using APIs/webhooks wherever required.

Requirements:
Strong experience with WhatsApp API/WhatsApp Business automation
API and webhook integration experience
Payment gateway integration experience
Experience with digital products/e-commerce automation
Must provide a complete working setup and test the full customer journey
To Apply:

Please send:

Examples of similar WhatsApp automation projects
WhatsApp API/platform you recommend
Payment gateway integrations you have worked with
Estimated completion time
Total project cost

Only apply if you have experience building automated WhatsApp sales systems.