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, 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!

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    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.

    €493 (Avg Bid)
    €493 Povprečna ponudba
    27 ponudb
    saas developer under laravel 6 dni left

    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.

    €177 (Avg Bid)
    €177 Povprečna ponudba
    28 ponudb

    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...

    €3980 (Avg Bid)
    €3980 Povprečna ponudba
    24 ponudb
    Hostaway API react integration 5 dni left

    I am seeking a developer to integrate the Hostaway API into my website using React as the front-end framework. I have experience with API integration, but I need help setting up the Hostaway API. The specific feature I want to integrate is booking management. Ideal Skills and Experience: - Strong proficiency in React - Experience with integrating APIs - Familiarity with the Hostaway API - Knowledge of booking management systems and best practices - Attention to detail and ability to troubleshoot issues as they arise

    €198 (Avg Bid)
    €198 Povprečna ponudba
    81 ponudb

    I am looking for an experienced software developer to help me develop stand-alone cloud-based billing software with invoicing features. The software should be able to generate detailed invoices with appropriate taxes and apply discounts where necessary. It should also have automated payment processing, as well as a dashboard for tracking all invoices. I am not looking for any specific integrations with existing software or systems.

    €119 (Avg Bid)
    €119 Povprečna ponudba
    18 ponudb

    Here is details for my project We want to deposit via this smart contract but not working well Please reach out to me if you have enough experience in this

    €167 (Avg Bid)
    €167 Povprečna ponudba
    19 ponudb
    Senior Golang developer 3 dni left

    Looking for a senior Go developer who has experience with integrating Rest and websocket APIs of several blockchain trading websites such as kucoin, okex, opensea and so on

    €21 / hr (Avg Bid)
    €21 / hr Povprečna ponudba
    32 ponudb
    Looking for Servicenow Trainer 3 dni left

    I am looking for SN development training someone who already working as SN developer/ SN Specialist is preferred . The module are like ITSM, Integrations are mandatory. HRSD and GRC good to have. I am looking someone very deep knowledge in javascript( Glide API's) , REST/SOAP web services and portal development. To train me like how exactly we work in projects. We can discuss more details later. If any one interested please DM. Training Institutes - Please stay away.

    €300 (Avg Bid)
    €300 Povprečna ponudba
    7 ponudb

    I am seeking a strong experienced freelancer to support my current Spring boot project activities. The specific issue I am facing is not mentioned, but the ideal candidate would have experience in deployment, performance, and functionality issues. Successful freelancers should include their past work and experience in their application. The timeline for completing the project is flexible, within a month.

    €502 (Avg Bid)
    €502 Povprečna ponudba
    40 ponudb

    Project Overview: We are looking for an experienced freelancer to join us in developing a series of micro-projects focused on creating AI-driven business tools. By integrating n8n and Open-Source LLM models, we aim to build versatile tools that support various industries and roles, including call center agents, customer service representatives, receptionists, and back-office personnel. The tools will include Q&A chat bots, web scraping, data cleaning, transcription, report generation, and automation of repetitive tasks. Deliverables: The project requires the freelancer to deliver multiple n8n flows that meet the defined requirements and objectives. These flows should incorporate the desired functionalities and features identified for each micro-project. Preferred Qualifications and S...

    €253 (Avg Bid)
    €253 Povprečna ponudba
    17 ponudb

    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...

    €29 (Avg Bid)
    €29 Povprečna ponudba
    12 ponudb

    Want to create a music player frontend with angular material. swagger generated api services are provided with the swagger api documentation. also backend client for windows can be provided. can also do pay by hour or create milestones as you like. ToDo: - align and display element information - have overview and details view of each element - have a setting page - have a search working - have the player and waiting list working.

    €1174 (Avg Bid)
    €1174 Povprečna ponudba
    83 ponudb

    I want someone to develop OCR based app for IOS/Android and see how we can use open source libraries and develop an app for recognizing certain fields (text) pointed to by camera.. Bid for results.. I will pay for results and not for efforts

    €573 (Avg Bid)
    €573 Povprečna ponudba
    74 ponudb
    zoho api integration 2 dni left

    I need a freelancer to integrate Zoho CRM with another php application. The specific Zoho application I want to integrate is Zoho CRM. I want to sync customer data between Zoho CRM and the other application. The data only needs to be synced one time. The ideal freelancer for this project will have experience with Zoho API integration and familiarity with Zoho CRM.

    €22 (Avg Bid)
    €22 Povprečna ponudba
    14 ponudb
    Pocketbook 2 dni left

    Pocketbook is order details system for small business

    €366 (Avg Bid)
    €366 Povprečna ponudba
    4 ponudb

    I am looking for a freelancer who can help me integrate Bullhorn CRM with my marketplace. Specifically, I need help with building a link to to ask for reviews during several points in the recruitment process. Here are the details of the project: Bullhorn Version: Bullhorn CRM Integration Features: - Application integration with my marketplace Ongoing support: - Undecided Ideal Skills and Experience: - Strong experience with Bullhorn CRM - Experience integrating Bullhorn with a marketplace - Experience with application tracking integration - Excellent communication skills and ability to work independently and efficiently.

    €687 (Avg Bid)
    €687 Povprečna ponudba
    84 ponudb
    Chatbot development 1 dan left

    We are looking for an experienced back end developer that can work on further development of our chatbot. We will plugin to ChatGTP through API.

    €19 / hr (Avg Bid)
    €19 / hr Povprečna ponudba
    133 ponudb

    I'm looking for a talented full-stack developer, able to build a "zero-to-complete" WORKING PROTOTYPE SaaS Platform. The "Mindful" Platform will be used by psychiatrists to keep track of their patients and treatments. Apart from your skills and experience in React, Nextjs, Node, Express and Firebase, you will be an excellent communicator and problem solver. Fluent English is necessary, both spoken and written. I like to solve problems and promote clear understandings in both written and spoken forms, to speed up development and make the process enjoyable for all. I will supply a NoSQL design and sample data set, which you would implement in Firebase. I am considering the following technologies (open to discussion): HTML, CSS and JS React, Material Design co...

    €680 (Avg Bid)
    €680 Povprečna ponudba
    131 ponudb

    Looking for a fullstack experienced developer specially excellant knowledge in php and microservices architecture. You need to work on our project for 4 hours for 20 days. The days can be extended depending on the requirement. You need to work with the project team and would work in sync with the existing developers and project managers.

    €1044 (Avg Bid)
    €1044 Povprečna ponudba
    35 ponudb

    We have an online store based on Woocommerce ; We supply auto parts and we are searching for TecDoc API integration on WordPress . We already have the webstore and we have an API from TecAlliance. We need to upload the database on our websiteI and want the customer to have the choice of selecting the Make Model Year Engine and searching by Part Numbers for Commercial vehicles and by part number, vehicle selector (dropdowns) and VRM lookup for passenger cars. The product if returned it will display the following tabs that have been populated from the TecDoc Wsdl. Attributes, Items, Images, Cross References, Appropriate Vehicles, Technical Data.

    €267 (Avg Bid)
    €267 Povprečna ponudba
    28 ponudb

    Problem Statement: Our educational institution requires a responsive web page that allows teachers to log in and view their schedule. The page should be developed using React and should have sessions enabled to ensure secure login and authentication. The web page should allow teachers to see their schedule for selected dates, displaying the class name and time for each scheduled class. The backend will provide a JSON response format with the teacher's name, ID, and schedule information. Here is an example of how the web page could look like: • A header section with the institution's logo and name. • A login form that allows teachers to enter their credentials and log in securely. • A section that displays the teacher’s Last name and ID. • A calendar widg...

    €105 (Avg Bid)
    €105 Povprečna ponudba
    16 ponudb

    I am looking for a ServiceNow developer to help me set up my ServiceNow instance and assist me with IT Service Management module. This is a one-time project and I need someone who has experience in ServiceNow implementation, specifically in IT Service Management. The ideal candidate should have a strong understanding of ServiceNow configuration, workflows, and scripting. Additionally, they should have experience with ServiceNow API and integrations.

    €12 / hr (Avg Bid)
    €12 / hr Povprečna ponudba
    24 ponudb

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