Meta API Expert | Facebook and Instagram API Approvals | Developer

Meta API Expert Needed for Multi-Tenant SaaS CRM I am building a multi-tenant SaaS CRM and need an experienced Meta API developer to implement the complete Meta integration. Scope of work Create and configure a Meta Business account (if needed). Create and configure a Meta App under my own account. Facebook Login (OAuth). Facebook Pages integration. Instagram Business Messaging API. WhatsApp Cloud API. WhatsApp Embedded Signup. Webhooks for Facebook, Instagram, and WhatsApp. Access Token management. Multi-tenant architecture where each customer connects their own Facebook Page, Instagram Business account, and WhatsApp Business account. Prepare and complete Meta App Review. Assist with Business Verification if required. Goal The final result should allow every customer to connect their own Meta accounts and manage Facebook, Instagram, and WhatsApp conversations from one Unified Inbox. Requirements Previous experience with similar SaaS projects. Experience with Meta App Review and approvals. Experience with Embedded Signup. Ability to deliver production-ready integration. Important All Meta assets (Business Portfolio, Meta App, permissions, etc.) must be created under my own Meta account. I need to own everything after the project is completed. Please send: Similar projects you've completed. Estimated timeline. Estimated cost.