Completed

Create API - NOT APP

Hi,

this project is about creating a layer between a Microsoft SQL-server and an APP. The APP is currently being developed by another company. They have documented in github what they need from the API.

The first part of this project is to structure all info given by the APP-developers. Gather info from client about the databases of the SQL-server. Figure out what info is needed from the client or the APP-developers and structure it all into a document for development of the API. Next - the task is to develop the API and install it at the clients Microsoft Server as a webserver which can serve the APP.

The API needs to handle authentication through OpenID.

The functionality of the APP is a CRM-system. All info needed is on an MS SQL-server. The client allready has a webserver today serving users of their webpage. Users can today log in to the webpage and access their CRM-info and change it. The APP will work in a similar way.

This is written by the APP-developers:

The api is a HTTP API communicating using JSON as the content-type for both requests and responses.

It exposes 3 major resources, and some auxilary resources.

Companies - legal entities that the user and the users organization is registering activites and contacts on.

Contacts - persons related to a company, attending activities.

Activities - Representing meetings or other communications a user and the users organization is having with contacts from a company.

The api is serving these resoruces, that belong to organizations. A user accesses the resources by allowing a client- in this case the App, to act on its behalf. This is accomplished by having the user log in and authorizing the app to access the resoruces on the users behalf. The api checks the transmitted key(representing this delegated access) on each request, and makes the corresponding resources available.

Skills: .NET, JSON, Microsoft SQL Server, Software Architecture, SQL

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About the Employer:
( 68 reviews ) OSLO, Norway

Project ID: #17902611

Awarded to:

saad2038

Hi, I can help you to create API that acts as a layer between a Microsoft SQL-server and an APP. I can also help you to create a document by gathering information from APP developers and clients about the databases of More

$22 USD / hour
(47 Reviews)
6.4

18 freelancers are bidding on average $19/hour for this job

contact2phpsl

Hello, Ready to create required API. Kindly share your feasible time for discussion. Rest you can check my profile to get a better idea of my services. https://www.freelancer.com/u/contact2phpsl.html I am fully More

$15 USD / hour
(113 Reviews)
7.1
idragon712

Hi Sir Here is an expert of software development. I have really good skills with software and hardware. And I have some experiences with developing HTTP API. And I am familiar with JSON. I hope we can discuss abou More

$22 USD / hour
(23 Reviews)
7.0
offshore9006

Hi There: Hope this note finds you in great spirits. e understand that you want to build API (Webservices) to communicate with APP developed by other team. We will use Time Tracker to work so that you can get update r More

$15 USD / hour
(18 Reviews)
7.0
searchtechnow

Hello, I can develop the API for your mobile app to communicate with the MS SQL server. Please share the relevant document/details so that I can analyze the same. I am a web services expert developer and hence can More

$15 USD / hour
(29 Reviews)
6.3
akioUnity

Hello. I have built many apis for apps by using Microsoft SQL-server and Asp. I have some experience in CRM-system. will build good result for you. best regards Akio

$20 USD / hour
(20 Reviews)
5.7
MaMingMing

To Whom It May Concern: I am an expert in API development with 8+ years of experience and good track records. Hello, Nice to meet you, I hope you are well Here is a senior API developer, mingming. I have re More

$22 USD / hour
(10 Reviews)
6.0
covernal

I have 5 years of IT/Software development and deployment experience. I have expertise in Web Design & Development Python, Django, Nodejs, Ruby on Rails HTML , CSS , JS (jQuery) , HTML5, CSS3, Vue.js. PHP ( Plain P More

$22 USD / hour
(7 Reviews)
5.6
AMsolutions1

Hi, I have expertise in JSON/XML and want to assure you for quality work. Please provide DB access and documentation so that we can check and discuss further accordingly. Looking forward. Thanks

$15 USD / hour
(23 Reviews)
5.7
Shuchi144

Hello, Yes i seen your complete requirement and fell comfortable with all that to make the API. I have experience in c#, asp.net, web-scripting, Mvc, Angular js. I have build applications for a variety of industr More

$17 USD / hour
(13 Reviews)
4.9
KGeorgy

Hello, I am pleasure with your hourly job for Create API - NOT APP. Thank you for the job posting. It’s a pleasure to meet you. I’d really like to work with you on this one if possible! I do have a couple of questi More

$22 USD / hour
(10 Reviews)
4.4
rabhardwaj

I have been in this field for more than 8 years.I have a Master and Bachelor degree in Computer Application i provide support Chester cap llc more than 5 years. Chester cap llc have a grant management system project th More

$22 USD / hour
(8 Reviews)
3.9
amitbanerjee2812

Dear Hiring Manager, I read your job description and I am confident that I can exceed your expectations as you need an API I am more than confident to make an API for you within the time limits I have more than 6 More

$16 USD / hour
(4 Reviews)
3.5
freelancernewtec

Hello, I would like to take this assignment. I am having 14 years of experience on web development, deployment and project management. Below are my core technical skills •ASP.Net /HTML/CSS/JavaScript/JQuery •C# More

$20 USD / hour
(4 Reviews)
3.0
CodeApex

Hello, I am a Web Developer having 5 years experience. I am API expert and can build API for your apps. We can discuss about it over private message. I will share my previous API work with you over their. My technic More

$20 USD / hour
(2 Reviews)
2.4
Cognegic

Dear hiring manager, Greetings! We, an expert team 60+ .Net having strong experience in MS SQL server developers, have gone through your project description. Our skills:- .Net, Ms SQL, NodeJS, J query, PostgreSQL More

$15 USD / hour
(3 Reviews)
1.5
evonsystems7

Dear Prospect Hiring Manager. Thank you for giving me a chance to bid on your project. i am a serious bidder here and i have already worked on a similar project before and can deliver as u have mentioned I have More

$22 USD / hour
(1 Review)
0.0
wfhin2015

HI, I am very much interested to work on API's. I have good software design and development experience. Please check my profile and let me know. Thanks.

$16 USD / hour
(0 Reviews)
0.5