# Introduction

You can use contact lists in the Contacts page to upload a contact once, and use it in the bulk messaging or in the Zapier integration.

# Useful with channels

  • SMS (with Twilio)
  • WhatsApp (with Gupshup) (Future plan)
  • WhatsApp (with Twilio) (Future plan)

# Useful with functionality

# Data sources supported

  • CSV file
  • Excel file