Need Advice On Mass WhatsApp/Telegram Message Blast

Job ID: 32636349

Budget: $10 – $30 USD

Hi, I need a WhatsApp or Telegram expert to advice me on how we can use the least cost to blast messages to over 15,000 contact numbers.

I have about 17,000 mobile numbers (from Singapore), and I wish to blast message to them in the most efficient and cost-friendly way.
Related categories: Messenger Marketing Telegram API