Facebook Page Addition to business manager and whatsapp business api authentication

I am looking for a freelancer who can assist me in adding my Facebook page to business manager and authenticate the Whatsapp Business API.

Purpose:
– To manage advertising campaigns
– To track page performance metrics
– To collaborate with team members on page management

Skills and Experience:
– Experience in integrating Whatsapp API
– Proficient in setting up and managing Facebook business manager accounts
– Knowledgeable in the process of Whatsapp Business API authentication

Requirements:
– Assist with the entire process of Whatsapp Business API authentication, from start to finish

Note: I already have a Facebook business manager account set up.