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Whatsapp bulk sending program / application

We are looking at the creation of an application / programme that could mass send Whatsapp messages. Whatsapp currently limits broadcast limits of 25 contacts each time, not to mention having to select each contact manually. Our customer contacts are quite a few thousands. This app / programme which I require will have to be able to:

1) Able to read contacts from our contact address book (from a smartphone) and load/show only those who are also using Whatsapp program. A (multi select and select all) for those contacts who are found to be using Whatsapp. A text box to enter message (and if possible to attach files). A (send button) to finally send/broadcast the message to all the selected contacts in batches of 25 to be within the broadcast limit of Whatsapp. The messages will make use of Whatsapp's service. It can be a standalone program or a program that interface with Whatsapp's mobile apk to achieve this batch sending. Either web version or app will do.

Do send me a video or screenshots of your proof of work in this field as I had been conned by a very dishonest freelancer who claimed he could do this, took my money and gave me nothing. I will NOT send any money until I see proof of work. Balance payments will only be released according to [url removed, login to view]'s rules, ie upon successful completion and satisfaction of product. Bid only if you can produce and comply with these requirements.

Kỹ năng: Android, iPhone, Mobile App Development, PHP, Kiến trúc phần mềm

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Về Bên Thuê:
( 0 nhận xét ) wan chai, Hong Kong

Mã Dự Án: #1660308

6 freelancer đang chào giá trung bình $672 cho công việc này

srinichal

I am an expert in bots and can deliver the same

$680 USD trong 12 ngày
(90 Đánh Giá)
6.9
zeke

Dear Customer! I am an expert web developer with over 6 years of experience and very interested in this project. Ready to start immediately and finish as soon as possible. My bid is for fast professional service exc Thêm

$750 USD trong 7 ngày
(141 Đánh Giá)
6.8
tCognition

Hello,We are a 07 years old company in the field of Web/ Mobile Application design and [url removed, login to view] have full Mobile application team and develop whole range of applications from iPhone, BlackBerry, Android and Symbi Thêm

$750 USD trong 14 ngày
(3 Đánh Giá)
3.6
O4El3Th5U

Custom software development - <b><i>Removed by Admin</i></b>

$750 USD trong 1 ngày
(0 Đánh Giá)
0.0
frankmorris

Hello Sir, Please check PMB for listing and confident to complete the project with quality services.. Best Regards

$600 USD trong 10 ngày
(0 Đánh Giá)
0.0
georgemays

Hi! I can do it for you.

$500 USD trong 5 ngày
(0 Đánh Giá)
0.0