WhatsApp–Telnyx Integration & CRM Setup

My Telnyx account is already live, verified, and tied to two toll-free numbers; now I need WhatsApp fully wired in so the numbers can send and receive messages for sales and marketing campaigns. Scope of work • Finish the Meta Business verification and create a WhatsApp Business Account... (Budget: $30 - $250 USD, Jobs: API Integration, Cloud Computing, CRM, Node.js, PHP, Python, Salesforce.com, Software Architecture)