Web services are application programming interfaces (APIs) exposing a platform features across the web, for integration by systems and applications rather than normal users. For instance a platform could feature a way to look up average rental prices by zip code, which an external application could integrate to allow its users to perform this look up. Web services are integral to the architecture of Internet applications across the world, enabling systems, apps and websites to leverage external data sources or facilities to deliver their own services.

Any designer or developer for online applications will require knowledge of integrating web services, and will have experience in the use of such APIs in their code, typically using standard libraries or software development kits (SDK) provided by the party hosting the web services. Businesses can quickly leverage powerful functionality by the integration of existing web services, and may look to offer web services of their own to be integrated by other parties; for either purpose development skills for web services are invaluable.

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    Developer with experience on HL7 interface 6 дні(-в) left
    ПІДТВЕРДЖЕНО

    We need to Integrate Intellicure with KIPU to push the patients records from Intellicure to KIPU.

    $35 / hr (Avg Bid)
    $35 / hr Сер. заявка
    2 заявки
    Saas program 5 дні(-в) left

    Looking for someone to build an SaaS program - Something similar to [увійдіть, щоб побачити URL] Please advise on how you would do this, what would be required and a timeframe for the work.... Looking for a freelancer not a company that can turn this around quickly... Budget is £1000 I will look at applicants and message to discuss further, start date will be in a couple of weeks so righ...

    $1890 (Avg Bid)
    $1890 Сер. заявка
    13 заявки
    develop an e-shop 5 дні(-в) left

    Your application must have following minimum functionalities. • Display a list of items available based different categories to the customers. • Allow customers to add items to shopping cart. • Allow removal of items from the shopping cart. • Update item quantities in the shopping cart as customer add item in cart. • Customers can view a summary of all items and quantities...

    $8 - $20
    $8 - $20
    0 заявки

    The first APP give some instructions to the user and open WEB pages on 2 different servers We need it in ANDROID first and than in IOS The second APP sends a receives data from a WEB SERVER in internet with web services The APP receives data from BLE BEACONS in proximity and read a QRCODE on the smartphone OAUTH2 authentication Also the web server that read and write to a Oracle Database has to b...

    $1026 (Avg Bid)
    $1026 Сер. заявка
    22 заявки
    Shea Models 4 дні(-в) left

    Hi there, Shea Models is a licensed and bonded models agency. Our modeling agents specialize in working with fresh faces who are new to the industry. We pride ourselves on our ability to guide new models in advancing their careers. After being in this business a long time, we have the experience and expertise to help you make the right decisions to grow your career and excel in the modeling indus...

    $998 - $1995
    $998 - $1995
    0 заявки
    Inbox Sender 3 дні(-в) left
    ПІДТВЕРДЖЕНО

    Hello Every body I am facing a problem to reach messages inbox to common domains (Gmail, Hotmail, Yahoo,. . . ) I need an expert to help me

    $1103 (Avg Bid)
    $1103 Сер. заявка
    10 заявки

    We want to build a payment platform system service with AI capabilities. We need to build mobile apps for the client and merchant sides, for both iOS and Android. The apps will be developed on flutter and will consume some services like maps or proprietary services with AI capabilities. The candidate should be able to work from scratch, making the design and navigation, generating APIs needed, and...

    $2465 (Avg Bid)
    $2465 Сер. заявка
    38 заявки

    Hello, we are looking for someone to customise a PrestaShop module

    $21 (Avg Bid)
    $21 Сер. заявка
    4 заявки
    Our website need to be fixed and developed 3 дні(-в) left
    ПІДТВЕРДЖЕНО

    I need website developer and SEO service we face a problems related with website speed it’s need about 70 second to open the first time also we face another problem related with mobile website or maybe mobile and pc together when you want to open any page and Pres any button the black screen appear some info need to be changed as mobile phones and we need to add some photos

    $375 (Avg Bid)
    $375 Сер. заявка
    21 заявки
    IOT doorbell software 2 дні(-в) left
    ПІДТВЕРДЖЕНО

    hi, we need to do integrate with tuya app for doorbell video camera . qualified candidates please.

    $20 / hr (Avg Bid)
    $20 / hr Сер. заявка
    9 заявки
    Create a Hummingbot connector for a private crypto exchange 1 день left
    ПІДТВЕРДЖЕНО

    We are developing a crypto exchange. Our exchange provides API which is well documented. We want someone to create a a Hummingbot connector ([увійдіть, щоб побачити URL]) so we can use it for market making. We will like to test it with the Pure Market Making strategy ([увійдіть, щоб побачити URL]). Please post only if you are familiar with Humingbot and Market making

    $670 (Avg Bid)
    $670 Сер. заявка
    7 заявки
    Content provider site needs payment options 1 день left
    ПІДТВЕРДЖЕНО

    We have a content creator site which needs to have two separate logins and a payment option. The site it at [увійдіть, щоб побачити URL] It is built on WordPress. Specifically : The site needs two separate logins - one for fans (subscribers) and one for VIP’s. The site needs to allow VIP's and fans to include payment details when they register for first time We need a way for fans ...

    $744 (Avg Bid)
    $744 Сер. заявка
    37 заявки

    We are interested in an API which shall connect our Shipbroker Database with our ALIABAB Gold Member Sellers Account. We have already for other market places API's in place and could also share same with the programmer. Via the API a daily update of some 600-1000 vessels shall be transfered between our company database and the ALIBABA Platform. We would like to have our shipbroker vessel da...

    $899 (Avg Bid)
    $899 Сер. заявка
    11 заявки
    Web Service (REST API) Developer in .NetCore 3 годин(-и) left
    ПІДТВЕРДЖЕНО

    I m looking for some freelancer who has sound experience in writing REST APIs in DotNet Core only. There are total 250~300 Endpoints (with 40% complex & 30% Medium Complex & 30% Simple) It has to be secured enough Token based Authentication. Should include data validation and should be well tested through postman. Well documented. Freelancer should provide support to integration team fo...

    $184 (Avg Bid)
    $184 Сер. заявка
    7 заявки