RESTful API Jobs

RESTful API stands for Representational State Transfer Application Programming Interface, a term coined by Roy Fielding in 2000. A RESTful API allows an application to communicate with other applications. It is based on the structure of a website, where the data and information are stored in the form of resources. RESTful APIs make use of these resources to provide a certain level of accessibility and data exchange between different systems. This makes web development more efficient, as resources can be accessed easily and quickly.

A RESTful API Developer is responsible for designing and developing APIs to facilitate communication between different applications. The Developer will use their existing skills in web development to create APIs that are secure and reliable, that can provide clients with the ability to access resources for different types of usage. The Developer will also ensure that the APIs are well documented so that any updates or changes to their backend programming environment don't cause any disruptions with existing communication workflows.

Here's some projects that our expert RESTful API Developer made real:

  • Creating browser extensions using Microsoft Graph API
  • Building webpages for flight searches & results
  • Developing applications for React Native in PHP
  • Retrieving data through various APIs, presenting it in a table format & sending email notifications
  • Developing & integrating simple authentication functions into Laravel apps
  • Integrating WordPress REST APIs into mobile apps via PHP
  • Building middleware systems to convert HTTP GET requests into REST calls
  • Developing programs in C# .NET using the WordPressPCL Package Library
  • Developing cloud services programs using Cloud Flare's API
  • Creating tools to trigger Customer orders with CSV file uploads

At Freelancer.com, our RESTful API Developers are highly experienced professionals dedicated to delivering innovative solutions that meet our clients' specific needs! Our Developers have successfully completed various projects for a wide range of clients, enabling quick and secure data exchange between applications. If you’re looking for an experienced developer to create an efficient, reliable and secure API system, then post your project now and hire the most suitable API developer here on Freelancer.com!

From 102,847 reviews, clients rate our RESTful API Developers 4.86 out of 5 stars.
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    19 jobs found, pricing in USD
    REST Api for a Hangman game 6 days left
    VERIFIED

    I'm looking for a developer to create a REST API for a Hangman game (which already has been implemented with C++ and pybind11 has been used too). The ideal candidate will have experience with Python and FastAPI framework. There's no need for authentication and security, The game should run on the local console, so it should be very simple. The API will be used to manage the game data, including creating new games, retrieving game data, and updating the game, Multiplayer functionality should be possible (depending on the game logic of hangman) There should be players and a lobby. In addition, simultaneous game instances should be possible. . The developer will be responsible for the following: - Designing and implementing the RESTful API using Python and FastAPI - Creating endpoi...

    $29 / hr (Avg Bid)
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    46 bids
    node.js dev ```` -- 2 6 days left
    VERIFIED

    THE MAXIMUM BUDGET IS $100, PLEASE BID WITH YOUR EXACT BUDGET, WITH NO PLACEHOLDERS!!! I need a node.js network application that will provide REST APIs for users. The network will have 3 user types; platform, company, and subscriber. Using the REST API, a platform interacts directly with the network, while a company and subscriber interact with the network through the platform. HERE'S THE DOC: HERE'S THE VIDEO:

    $113 (Avg Bid)
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    21 bids
    node.js dev ```` 5 days left
    VERIFIED

    THE MAXIMUM BUDGET IS $100, PLEASE BID WITH YOUR EXACT BUDGET, WITH NO PLACEHOLDERS!!! I need a node.js network application that will provide REST APIs for users. The network will have 3 user types; platform, company, and subscriber. Using the REST API, a platform interacts directly with the network, while a company and subscriber interact with the network through the platform. HERE'S THE DOC: HERE'S THE VIDEO:

    $117 (Avg Bid)
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    23 bids
    .net api/mongodb 5 days left

    I am looking for an experienced .Net developer to develop an API that will process JSON data. the database engine will be a mongodb. The developer will need to have experience using .NET, JSON and Mongo databases. Attached a document that gives the details of the project. If you fit the required profile, please send through your proposal so that we can discuss the project details further. Please note that this is just a small piece of a big project, if you deliver a quality work/ in time, you can have a lot more work! Best regards

    $553 (Avg Bid)
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    55 bids
    node.js dev `` 5 days left
    VERIFIED

    THE MAXIMUM BUDGET IS $100, PLEASE BID WITH YOUR EXACT BUDGET, WITH NO PLACEHOLDERS!!! I need a node.js network application that will provide REST APIs for users. The network will have 3 user types; platform, company, and subscriber. Using the REST API, a platform interacts directly with the network, while a company and subscriber interact with the network through the platform. HERE'S THE DOC: HERE'S THE VIDEO:

    $100 (Avg Bid)
    $100 Avg Bid
    29 bids
    node.js dev ` 5 days left
    VERIFIED

    THE MAXIMUM BUDGET IS $100, PLEASE BID WITH YOUR EXACT BUDGET, WITH NO PLACEHOLDERS!!! I need a node.js network application that will provide REST APIs for users. The network will have 3 user types; platform, company, and subscriber. Using the REST API, a platform interacts directly with the network, while a company and subscriber interact with the network through the platform. HERE'S THE DOC: HERE'S THE VIDEO:

    $100 (Avg Bid)
    $100 Avg Bid
    38 bids

    I have a Laravel based web application for online appointment booking and checking live queue status in Hospitals and rooms and beds availability and booking in Hospitals. I have specifically three requirements - 1. To show appointments booked from our web application to the Hospital's software and appointments booked from Hospitals platform on our web application 2. To show the rooms and beds availability on our web application as per the Hospitals software. It means I want to integrate our web application to Hospital's software through API so that the rooms and Beds availability can be shown as per their software and can also be booked from our web application and the information of booking will be shared with Hospitals and the same could be done if booked with Hospitals sof...

    $128 (Avg Bid)
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    We need a quickly bootstrapped web app that is location aware and is completely Frontend focussed work on UI. It has to list some results like a directory listing based on location and filter criteria. We have the Figma UX mockup flow that I can run you down but it is expected that you will provide all the work along with the source code and any miscellaneous files.

    $151 (Avg Bid)
    NDA
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    7 bids

    I am looking for an experienced developer to create a website for me based on a computer created with parts. The user will enter his budget and then we will suggest some desktops. Also, it will show all parts which will be available on the computer. The user selects that computer, and after selecting he will fill out the form & his query will be collected with all details of which computer he has selected. The query will be collected by mail as well as on the database. Also, a small admin panel will be available for it so that we can search and filter all queries. (login/registration - optional) My Budget is very low. I can pay 5k - 7k (Inr) for it.

    $92 (Avg Bid)
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    20 bids
    C# .NET - Minimal API setup 3 days left
    VERIFIED

    C# .NET - Minimal API setup I am in need of a developer who can help me set up an API that retrieves text data. The purpose of the API is data retrieval, and I require user authentication for security purposes. The ideal candidate will have experience with C# .NET and API development. Specific requirements for the project include: - Setting up a minimal API that retrieves text data - Implementing user authentication for security purposes - Ensuring the API is compatible with C# .NET - Providing clear documentation for the API setup process If you have experience with C# .NET and API development, please submit a proposal for this project.

    $15 / hr (Avg Bid)
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    Looking for api integration and mark up tool customisation for Amadeus , LCC and Sabre . We are online usa travel agency and looking for customisation of backed tool asap Thanks

    $7948 (Avg Bid)
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    7 bids

    I am seeking a developer with experience in building investment web apps. The app will require real-time stock data, which is a crucial feature for this project. I am looking for someone who is proficient in JavaScript/React (but open to suggestions), as it is my preferred programming language. My budget for this project is less than $1,000. Ideal skills and experience for this job include: - Experience in building investment web apps - Proficiency in JavaScript/React - Knowledge of real-time stock data integration - Ability to work within a budget of less than $1,000 We'd like you to be responsive so if we ask a question here, we'd expect a quick answer We're very particular in deadlines, please only bid if you can deliver quickly If you finish early and our team'...

    $567 (Avg Bid)
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    104 bids

    I need an API database to sell digital keys products from one place on 4 platforms(G2A, Gamivo ,Kinguin,Eneba) via API.

    $1190 (Avg Bid)
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    29 bids

    I am looking for a freelancer to build an End to End HRMS management system for my Organisation. The system should be standalone. The system should be able to manage more than 100 employees/students and their courses. The most important features for this HRMS are: - End to end management of students and their courses - Student Records Management - Fees and thier placement Management - Recruitment and Onboarding Ideal skills and experience for this job include: - Strong experience in building HRMS systems - Knowledge of employee/student management systems - Experience in payroll management - Knowledge of database management systems - Ability to create user-friendly interfaces - Strong communication skills and ability to work collaboratively with our team.

    $306 (Avg Bid)
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    9 bids

    the broker has an API, i will provide keys need to be able to change following settings: candle assets/charts: 1, 100, etc high low X minutes: (up to 12 hours) daily sleep times: weekly sleep days: hourly alert times: 0:30-25:00, 30:30-55:00 ((false = disabled) if you prefer other way to list them thats ok) sleep X minutes after alert: (only for particular chart) chart length hours: 10 (when running script, do you get immediately data of past X hours or do you have to wait 5 hours to get 5 hours chart etc? i hope they have no API limitation of how much charts can be subscribed.. they didnt answer my email. question is, if chosen 60s candle, do you get price only every 60 seconds or every second regardless candle? if only every candle, would need to choose 10 second candle else alert...

    $175 (Avg Bid)
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    32 bids

    I am looking for a skilled Typescript-REACTJS-NODEJS app developer to help me bring my e-commerce vision to life. I have a rough idea for the project design and need help developing the app. The app requires moderate user authentication and security, while still being easy to use. I need someone capable of understanding the complexities of the project and capable of developing a professional product, delivered on-time and on-budget. If you believe that you have the skills and availability for this project, I'd love to hear more about your experience and what you can offer.

    $582 (Avg Bid)
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    saas developer under laravel 14 hours left
    VERIFIED

    We are looking for a good laravel developer available now to work on a project that need to be launched by next 10 days. it's SEO based saas. We need to find a keywords related to a website, then we have to launch some python code in background to get the content. and we need some integration like wordpress and other CMS system.

    $199 (Avg Bid)
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    31 bids

    is an online service that provides real sim card phone numbers for online SMS verification. Their users rent phone numbers to receive SMS verification when they register on social media sites, messaging apps, dating apps, or online services… without revealing their own phone numbers. I want a developer to create a New Rest API to connect my device (SMS gateway or sim pool) via API with their platform so they can use my sim cards for the online verification service that provides to their customers. My (SMS gateway) has an API and User Manual documentation. And the website to which I want to connect my equipment, “” has API documentation that exactly contemplates the option to connect an SMS gateway similar to the same model I have. - Here is the API Documentation f...

    $4245 (Avg Bid)
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    33 bids

    I am looking for a freelancer to extend a JAX-RS REST client with mapped json to java classes with JAX-RS annotations. The ideal candidate should have experience with the JAX-RS standard and spring-boot. The API to use is your task will be to implement the Batches API with polling for finishing the posted batches Use common spring boot pattern: - service class(es) to access API - DTO classes (probably you suggest us 2 milestones) In later phase MS3 this classes will be persisted into postgresql+h2 Deliveries? - in our on premise git (access will be granted to you) - full sources - maven - JDK 17 Payment? - you estimate in a WBS after getting the task - we discuss about clearances and effort - we mutually agree to effort - we assign you the task after agree - you implement & deliv...

    $31 (Avg Bid)
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    11 bids

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