tender for whatsapp service provider; 1 whatsapp marketing conversations - marketing conversations relate to business, courses / products, or services. these include any conversation that doesn’t qualify as authentication or utility. 2 whatsapp utility conversations - utility conversations facilitate a specific agreed-upon request or transaction or update a candidate about an ongoing courses etc. 3 whatsapp authentication conversations - authentication conversation enablesauthenticating users with one-time passcodes, potentially at multiple steps in the login process ( e.g., account verification, account recovery, integrity challenges ) . 4 whatsapp service conversations – user initiated conversations, resolving candidates enquiries, issues etc.