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!

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    16 jobs fundet, i prisklassen EUR

    Scripts (auto order via Excel triggers) for and CFI more details will be shared with potential freelancer, kindly place bid if you know you're capable of doing this

    €37 (Avg Bid)
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    Scripts (auto order via Excel triggers) for and CFI more details will be shared with potential freelancer, kindly place bid if you know you're capable of doing this

    €14 (Avg Bid)
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    Scripts (auto order via Excel triggers) for and CFI more details will be shared with potential freelancer, kindly place bid if you know you're capable of doing this

    €87 (Avg Bid)
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    Angular developer is required for a freelance project (remotely) ? Requirements: • Bachelor degree in Computer Science or related field. • 3+ years proven experience with frontend development, Angular, Rest APIs and Figma designs. • Strong knowledge in pure javascript & jQuery. • Experience with Metronic templates is preferred. • Organizational skills. ? Responsibilities: • Work with backend developer and product manager to ideate project. • Design client-side architecture. • Building dynamic and adaptable web applications. • Build pages with a mobile responsive design. • Work with back-end developer to create REST API. • Configure and testing scripts within an ongoing integration environment. • Write technical documentation...

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    To reuse code of Existing Electron IOT application to make flutter hybrid application with extended development

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    I'm looking for an experienced developer who can integrate the ABC Electricity Board API with Quickfms, our facility management system. This project has a few key requirements. - **Real-time Billing Information**: The integration should enable our Quickfms system to pull and display real-time billing information from the ABC Electricity Board's API. - **Power Consumption Analytics**: I need the system to gather and display power consumption analytics in different time frames, specifically including hourly, daily, and monthly data. This should help us in better understanding and managing our power usage. - **Outage Notifications**: Another key feature of this integration is to receive outage notifications. This will help us in ensuring that we are always up-to-date with any ser...

    €334 (Avg Bid)
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    I have a react website, want to integrate api, should start right now price : INR 200 per hour, need to work full day (8-10 hours) till wednesday you should use freelancer.com desktop app to track time please bid only if you work on above mentioned terms, don't bid and negotiate

    €2 - €2 / hr
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    €2 - €2 / hr
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    Hello All, We are planning to get a website created for a single product selling platform. It must be in the latest tech stack, the front end can be in angular, react, etc. and the back end can be in Java/Kotlin-based micro-services, with relational db support. Initially, we can launch a website on a cloud basis and later, it can be moved locally. Our foremost priority is to first have a demo of the site basis which we can move further and add then refine it as per our ideas and understanding. You are welcome to suggest ideas or design, and update requirements accordingly, we are happy to work with people having a product mindset and understanding of the Indian market. I am a backen...

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    We need an experienced React Native developer to finalise the development of our innovative media player app. About the App: This app is designed to transform how users engage with content through AI-driven features such as conversational AI interfaces, intelligent recommendations and interactive transcripts. The app is approximately 60% complete and requires integration of new UI designs and the remaining functionality. Work Required: We have specifications for applicants to review on request. Key tasks include: - Implementing new UI designs - SQLite for local caching - Configuring media player functionality Required Experience: The developer must have: - Extensive experience in React Native - Proficiency with the Expo framework - Strong understanding of integrating backend services - ...

    €1430 (Avg Bid)
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    I'm in need of an experienced API developer(s) to assist with integrating our platform with multiple external systems in USA. Budget is in the project so don't bid with placeholder budget.. Put a range in minimum somewhere. Plaid API aggregates with multiple finance systems (banks mainly) and their investment aggregation didn't work for me. Since Plaid API didn't work for me I am thinking we will have our own APIs to integrate to any investment banks/ brokers like E*Trade, TD Ameritrade (now part of Schwab), Vanguard, Fidelity, Robinhood , Interactive Brokers, Merill Edge and many more. See: Our APIs allow users to: 1) Get Holdings/ Positions (stocks, bonds, mutual funds, options, ETFs, etc.). We will pass institute name, account # or login/password, 2) Get Tra...

    €2345 (Avg Bid)
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    Dummy Php web app with REST API 1 dag left
    VERIFICERET

    Hello, I will need a basic php app, for a simple petrol stations management. with 2 roles and a rest api that will support the following calls: 1. GET: Get service station data and prices of selected fuel. GET: Number of service stations (integer), maximum, minimum and average price per litre (with 3 decimal places). 3. GET: Get a price list of a service station. 4. POST: User login (the database already has users). 5. 6. GET: Receive orders of a service station from the service station owner 7. PUT: Price change to fuel from petrol station owner 8. PUT: Execution of an order by the retailer 9. DELETE: Deletion of an order by a petrol station owner or by a simple user (if it has not been executed). Analytical details docx on chat. Budget: $80 USD Deadline: 31/5

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    Gestion de leads, campañas automatizadas de whatsapp y email marketing. Generación de plantillas HTML para email y landing pages con IA (chatgpt) Html Builder para edición de plantillas Creación de plantillas de mensajes de whatsapp con api de meta whatsapp. Calendarización de envíos. Automatización de mensajes de whatsapp Calendario de correos y whatsapps. Embudo de ventas (creación de landings, listas de contacto) Seguimiento de leads (envío de email personalizado o whatsapp) Cambio de status de los leads Configuración de Agentes Virtuales con whatsapp. Almacenamiento de archivos en Azure Storage Ya existe una base de modulos y código en github

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    I'm in need of a Java developer to create Rest API(s) that will facilitate user customization of a default travel itinerary. The APIs should have the following features: - Loading Default Itinerary: The API should be able to load the default itinerary, which consists of a list of attractions for each day. - Information on Nearby Places: The API should provide information on nearby places that are not in the default itinerary but could be of interest to the user. - Place Details: The API should also be able to provide detailed information about each place listed, such as the time required for a visit, the best time to visit, and any other relevant details. The ideal candidate for this project should have: - Proficiency in Java, as the Rest API(s) need to be developed in this languag...

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    In my project, I'm looking to set up ActiveMQ JMS messaging for our system, focusing on synchronous and asynchronous messaging. We anticipate a low scale of message traffic, not exceeding 1,000 messages per day. Key responsibilities will include: - Setting up ActiveMQ for JMS messaging - Configuring it to handle synchronous and asynchronous messaging effectively Furthermore, I plan to utilize SOAPUI Open Source for automated testing of these messages. Your role will be essential in ensuring that the system works seamlessly with this tool. I will be expecting below: Create a framework to publish and subscribe messages to ActiveMQ queues Create queries to make sure data is published into the respective tables and assertions to validate Ideal skills and experiences for this role wo...

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    1 - Project Overview: Create a trivia game website with live video streaming. The game will use text to speech for AI generated questions and answers. 2 - Trivia Game Mechanics: Implement user registration, login, player avatar creation, question rounds. Track scores and display leaderboards and jackpot. 3 - Webcam Streaming: Integrate WebRTC or RTMP for live streaming. Capture and display player webcams during gameplay with content monitoring. 4 - Pre-recorded AI Host: Scripted responses. 5 - Frontend and Backend: Develop responsive UI using HTML/CSS/JavaScript. This will be web based with Mobile compatibility. Set up APIs for game flow and AI interactions. Store data in a database. 6 - Security and Privacy: Secure webcam streams and handle user data safely along with conte...

    €4236 (Avg Bid)
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