can your software send messages without whatsapp api, by just integrating simple standard whatsapp account without whatsapp api, as we all know that bulk messaging can cause numbers to block w=but if we can send smaller batches with random time delay of 30 minutes to 45 minutes between each message it can keep our number safe, as whatsapp api cost 25 pounds thats is too much cost on me and on my potential customers for whom i am planning to get your software