# API - App Specific

- [Contacts ( Clientside )](/aphone/api-app-specific-1/api-app-specific.md): All the functions of contacts
- [Messages ( Clientside )](/aphone/api-app-specific-1/messages-clientside.md): Functions of the Messages App
- [Bank ( Shared )](/aphone/api-app-specific-1/bank-shared.md): Functions related to the Bank app