At WCK we know that many customers are looking for whastapp api or whatsapp autosender even many search for whastapp auto reply. There are few companies that claim to offer desktop based whastapp autoresponder. But biggest problem with these softwares is that you need to always keep your laptop On + You don't get api integration that links with your web-application or CRM System to send / receive messages automatically. And in worst part is those system are easily detected by whatsapp server as spammers and your account get suspended or blocked.
However we at WCK offer completely web based whatsapp api service or you can say whatsapp autoresponder services. So now you don't need to worry about keeping any additional hardware engage to run whatsapp autoresponder service. Only buy subscription based plan and you are good to run whatsapp autoreply service. The whastapp api service is not meant for promotional marketing. This should be strictly used as transactional service and we strongly recommend that your end-user send initial message to your whatsapp business number to ensure its all opt-in messages that your send message automatically via system.