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Integrating WhatsApp API in C#

I want to have a WhatsApp API integration in the C# WinForms project.

The most Basic required features are

1. Using QR code to scan and connect, using that one connection other users will be able to send files and chat.

2. Have File Unloading features, users must be able to send files (PDF and image)

3. Use proper API security features to pervert any data losses.

4. Easy to use UI.

5. Use .net framework 4.5, if possible use 3.5.

6. Must be able to run on windows 7 without any extra installation except for Winforms runtime.

Any help with Winforms application development can be provided, use SQL server 2008 is needed.

Also once the project is completed source code of the project will have to be submitted before the last milestone is paid.

Skills: C# Programming, .NET, Microsoft SQL Server, ASP.NET

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About the Employer:
( 2 reviews ) Bhilwara, India

Project ID: #30950436

5 freelancers are bidding on average ₹14944 for this job

Maheshpatel107

Hello, I have ready software which sends whatsapp messages text or attachment. It auto sends invoices from Billing software also. I have it ready with source codes, I can show demo via remote connection. I have 6+ year More

₹10500 INR in 3 days
(29 Reviews)
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tinuvj

Hi, I have 10+ years of experience in various Web, Desktop & Mobile technologies. I can provide you both official & unofficial Whatsapp APIs to integrate in your .net application. I recently completed similar projects More

₹35000 INR in 3 days
(1 Review)
3.6
jitendra2013

Hello, Greetings!! I am a Senior Developer / Designer (Project Manager) and I have 6+ years of experience in Web design and Development. My skills are Photoshop, Illustrator, HTML/HTML5, CSS/CSS3, Ajax, Bootstrap, jQ More

₹7000 INR in 7 days
(14 Reviews)
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vw8193609vw

**Delivers good quality product on time** **Code as per Standards** **Pay after Project Completion** I have already developed similar kind of WhatsApp messaging tool using C# Winforms(embedded [login to view URL] More

₹10000 INR in 5 days
(7 Reviews)
2.7
skyceng57

Hello, I have 4 years experience in software development. also I have good knowledge to solving problems. skills :- Asp.net , MVC ,asp.net Core 3.1, jQuery, Javascript, C#, AngularJs, SQL server, HTML, CSS, Bootstr More

₹12222 INR in 5 days
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