C# API Interface

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37 freelancers are bidding on average $332459 for this job

jatindhoot

Hello, We have very good experience in C# and have worked with Quikbooks a lot of times. Looking forward to interact with you to now more about project scope in details. Regards

$82352 CLP in 10 days
(129 Reviews)
8.6
consus

Hello Sir We have more than 7 years experience for developing Addon applications for Quickbooks and other applications by using the API and Web services in .net by using C# language the integration of kareo is strei More

$157894 CLP in 20 days
(42 Reviews)
7.6
esalem

Hello, I am VB, VBA, C#, WPF, Java, Delphi, PHP, ASP.NET, CAD and GIS developer, I developed many desktop applications and custom tools, macros and Add-Ins. For reference see my profile. I am ready to discuss and More

$8178947 CLP in 45 days
(22 Reviews)
7.2
vano101

Hello. I worked with Kareo API few years ago,

$30000 CLP in 12 days
(986 Reviews)
7.3
super2lao

Familiar interface and simple algorithm encourage your work. • Languages: Objective C , Swift , PHP, Java, SQL, HTML, CSS, JavaScript, C, C++, C#,Python • Web Frameworks: Laravel , Wordpress , CodeIgniter, Zoomla More

$82352 CLP in 3 days
(58 Reviews)
7.2
$82352 CLP in 3 days
(19 Reviews)
6.9
srinichal

I am an expert in delivering custom softwares and scripts with a proven track record, ready to discuss further details

$82352 CLP in 3 days
(120 Reviews)
7.3
yassershehab

Good day, I am ready to start work with you . I have 7 years experience in .NET C# u can check my portfolio here : https://www.freelancer.com/u/yassershehab.html looking forward to hear from you Thanks More

$123529 CLP in 7 days
(55 Reviews)
6.4
amitorada

Hi, Cost and timeline can be calculated after we discuss project full phase. I have 8+ years of experience in ASP.Net/VB.NET/C# technology development. Core Expertise: 8+ Years in Asp.Net, Asp.net MVC, AngularJS, More

$82352 CLP in 3 days
(58 Reviews)
6.4
augurstech

Dear Employer Thanks for giving us chance to submit proposal on your project Coming to your project details we will use kareo web service Api to interface with Quickbooks Online or Desktop we have exp C# Programmer More

$75294 CLP in 30 days
(33 Reviews)
6.4
XeeChaun

hi. I have 4+ years of experience in C# software development and API integration. I have built a number of applications using APIs. here's one of my past projects: ---( https://www.freelancer.com/jobs/project-5142011/ More

$125000 CLP in 8 days
(48 Reviews)
6.1
TechNamrata09

Hi, We are a team of 6+ years experienced developers who always are up for new mobile app development jobs only for iPhone and Android devices. We are full time devotees for the technology and believe in ideas More

$96884 CLP in 10 days
(28 Reviews)
6.1
$77777 CLP in 3 days
(40 Reviews)
6.1
Raitechintro

Hello, I have good experience in .Net platform and API integration. Please review my profile to know more about my experience. I am available to work on this project and ready to start from now. Regards, RItesh Ku More

$834351 CLP in 15 days
(37 Reviews)
5.9
tudiptechnology

Hi, Let me keep this really short as I am sure you would be swamped with the proposals! We have proven track record of delivering C#/.Net web applications with AngularJS front end. Few applications that we w More

$111111 CLP in 15 days
(5 Reviews)
5.8
TanzeelAhmed

I REVIEWED YOUR PROJECT DETAILS & WOULD LIKE TO OFFER YOU MY SERVICE OF DOING FIRST TASK FOR FREE, JUST TO PROVE MY SELF TO U AND ALSO GET EXCELLENT REVIEWS FROM U, AFTER YOU AWARD ME JOB AND CREATE INITIAL MILESTONE F More

$77777 CLP in 3 days
(19 Reviews)
5.3
liangjongai

Hi, sir I have a detail look to your project, I have a great skill in c#. I'm sure I can complete your project. My price and period is negotiable. We can discuss the details via chat. Thanks.

$82352 CLP in 3 days
(49 Reviews)
5.1
$94117 CLP in 7 days
(24 Reviews)
5.0
WeazenSoft

Hello Respected Sir, We have a team of Microsoft Certified Solution Developer (MCSD) and Design & Development and i having 4+ Years of experience in Asp.Net Development; I have previous experience of working on the More

$77777 CLP in 20 days
(5 Reviews)
4.8
$77777 CLP in 3 days
(16 Reviews)
5.1