Sending bulk Whatsapp messages via API - Repost - open to bidding

need to develop script to enable us to send bulk Whatsapp messages using an API such as youwave. or php need to be able to upload a text file with phone numbers and insert a message that gets sent to all number in text file Automatically. can automatically distinguish which number is using Whatsapp can prevent Whatsapp from stopping the registered tel number after sending a few hundred message message delivery can support Big5, English, photo