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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    22 pekerjaan ditemukan, seharga USD

    I'm in need of a skilled professional who's proficient in working with the Turvo TMS Rest API for a project that involves its integration. The main goal of this project is to leverage the capabilities of the Turvo TMS Rest API to streamline and enhance our shipping processes. Key responsibilities of this role will include: - Working on the setup and authentication of the API - Handling data retrieval and manipulation - Implementing effective error handling and debugging mechanisms If you've got proven experience with the Turvo TMS Rest API and are confident in your ability to help us automate our shipping processes effectively, I'd love to hear from you.

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    Full Stack Developer Needed 6 Hari left
    TERVERIFIKASI

    Looking for a Full Stack Developer with over 6 years of experience in agile development of scalable business SaaS applications. Given the nature of our products, which focus on cybersecurity, deep expertise in networking (including familiarity with common protocols) and infrastructure is essential. The initial phase will involve developing a Minimum Viable Product (MVP) on a VPS infrastructure. Subsequent phases will introduce additional features such as user registration, billing, and more. Please provide the following details: A brief introduction about yourself. A summary of your past projects and relevant experience. References to your work (e.g., GitHub repository links). Your current availability (percentage of time you can commit). Detailed app specifications will be shared at a...

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    I require a seasoned API developer to create a new API specifically for my Android application. The API should not only facilitate user authentication but also share relevant product information. Key Functions: - User Authentication: Implement functions to register new users, log in existing users and reset forgotten passwords. - Product Information: Provide product data access including descriptions, prices, and availabilities. Ideal Skills and Experience: - Experience creating APIs for Android applications. - Proficiency in user authentication processes. - Familiarity with handling product data through APIs. - Understanding of secure coding practices. By prioritizing data and user security, the API should also be designed to scale and accommodate potential future requirements.

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    I'm in need of a skilled React developer to help build a cutting-edge real-time web app with a focus on three key features: Realtime chat, Push notifications, and Realtime data updates. Key Project Requirements: - **Realtime Chat**: The web app needs to support real-time chat functionality, allowing users to communicate seamlessly and instantaneously. - **Realtime Data Updates**: It's important that the web app can update and display data in real-time, ensuring users always have the latest information at their fingertips. Authentication Method: I'm looking to implement an "auth_key" based authentication method. This refers to API key authentication, where users will be authenticated by providing an API key. This method is crucial for keeping the platform secure a...

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    I'm seeking a skilled developer to work on the llmRAG project. Your role will focus on incorporating key features into the software, as well as ensuring a professional and corporate design. Key Features: - Collaboration Tools: Implementing robust collaboration tools to enhance team productivity. - Knowledge Base: Integration of a comprehensive knowledge base to support users in utilizing llmRAG efficiently. Programming Languages: - Python and JavaScript: The software should support these two languages effectively. Design Requirement: - Professional and Corporate: The design of the llmRAG interface should reflect a top-notch professional and corporate look. - Vector DB -- textblocks embedding model etc using OCR and text-based files - Use of opensource or platforms like llmware is r...

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    I'm looking for a Virtual Assistant with solid experience in Python, JavaScript and VBA, particularly for handling scripting tasks. Ideal Skills and Experience: - Proficient in Python and JavaScript - Previous experience with scripting tasks - Excellent communication skills - Pro-active communication style Main Responsibilities: - Writing and implementing scripts in Python and JavaScript with APIs - Ensuring the smooth execution of various scripting tasks

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    Aggregator API Developer Needed 5 Hari left
    TERVERIFIKASI

    I'm in need of an experienced API developer(s) to assist with integrating our platform with multiple external systems in USA. 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 and many more. See Following APIs are needed at high level: - Minimum 1) Get Holdings/ Positions (stocks, bonds, mutual funds, options, ETFs, etc.). We will pass institute name, account # or login/password, 2) Get Transactions (Dividend Paid, Bough, Interest Charged, Fees, Sold, Bought positions etc.) for a given account/ institu...

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    I am seeking a seasoned expert in both SAP Cloud ALM and Grafana to help me build a resourceful dashboard for optimal data visualization. Given my beginner's level in using Grafana, I'm looking for clear, thorough guidance to navigate through this tool effectively. **Your Main Task:** 1. Tutoring on how to construct a Grafana dashboard with a SAP Cloud ALM data source **Intended Metrics:** - System performance metrics - Custom metrics from calm logs and calm LMS **Skills and Experience Needed:** Preferably, you have: - A solid understanding of Grafana and how to use it for data visualization - Significant experience working with SAP Cloud ALM data sources - Proven ability to provide step-by-step instruction catered to a beginner - Patience and passion for teaching complex ...

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    I'm looking for an experienced Ruby on Rails developer who can handle key backend development tasks and manage our databases. The ideal candidate for this position should have: - Expertise in Ruby on Rails: We need someone who knows Rails inside out and can deliver high-quality backend solutions efficiently. - Database Management Skills: Experience with managing databases and optimizing their performance is crucial. - Problem-solving and Communication Skills: Excellent problem-solving abilities and effective communication are essential. - Experience with Rails 5.x, 6.x, or 7.x is a plus, but not a requirement. The main focus should be on your expertise and experience in developing robust and efficient backend systems using Ruby on Rails.

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    Bought a react eCommerce template (front-end & back-end) from theme-forest. Provided documentation is not enough for server side installation. I need professional assist to install the project on server side and install the theme on server side.

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    I need to do two things. Read first so you know issue. 1) short term - See if Plaid API works for stocks, stock options and my 5-6 brokerage institutes. This will take 1 day max and non chargeble. It will open business opportunity for me and hence I will pa-y for the project. I tried to speak to sales but they were non technical and I could not get answers from their website. We will not be trading using plaid API but I want to do portfolio analysis. I want to know if we can get my stock options/stocks positions using plaid API or not from my E*Trade account and what accounts (from what brokerages ) I can pull from ? 2)Plan is to develop a portfolio analysis tool no matter where your account is -using Plaid API. Which will be chargeble. This is what I am looking for in bids. In some ...

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    I'm looking for an expert (8+ years) Python Django full-stack developer to become the business CO-FOUNDER. This individual must possess proficiency in back-end development and DevOps experience, database management, and server administration and must be a self-starter capable of overseeing the all website aspects. This is a position for a leader who has dreams, passion and ambition to be on the ground-floor of a business they believe in and a with the desire to want play a major role in our success. Our site and apps are in the final stages of completion and I have a team of developers currently in motion for the website and iOS/Android apps to fix bugs and optimize our operation. This responsibility would be to manage PRs, oversee performance, take proactive steps to resolve issue...

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    I'm seeking a skilled developer to work on the llmRAG project. Your role will focus on incorporating key features into the software, as well as ensuring a professional and corporate design. Key Features: - Collaboration Tools: Implementing robust collaboration tools to enhance team productivity. - Knowledge Base: Integration of a comprehensive knowledge base to support users in utilizing llmRAG efficiently. Programming Languages: - Python and JavaScript: The software should support these two languages effectively. Design Requirement: - Professional and Corporate: The design of the llmRAG interface should reflect a top-notch professional and corporate look. Ideal skills for this project include proficiency in Python and JavaScript, experience in developing collaboration tools, and ...

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    I'm in need of a competent Mobile developer with expert knowledge in Ionic Portal technology. The main concept is for an application to be designed using this technology, which will allow other developers to write additional small functional programs. Key Functionality Requirements: - User authentication - Database integration - Push notifications The mobile application should be compatible with the following platforms: - iOS - Android In terms of design aesthetics, I prefer a clean and minimalistic design. Successful bids are expected from developers with proven experience in Ionic Portal technology, mobile app development across iOS and Android platforms, with a keen eye for clean and minimalist design. Your familiarity with user authentication, database integration, and push ...

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    I'm looking for a skilled developer familiar with WordPress, BricksBuilder, and API integration, specifically with the Viator Affiliate API. The aim is to enhance my website by displaying various tours and activities, along with a simple search functionality for users to seamlessly locate their preferred tours. Key tasks include: - Integrating Viator's API to my WordPress site that's built on BricksBuilder - Displaying tours and activities, updating in real time with API calls to Viator - Designing display in a clean, minimalist style - Creating a simplistic search bar for tour navigation Search - have a search on the homepage with a dropdown for suggestions (see section 5 of golden path) Search results - have a dedicated results page with product previews (see section...

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    Python App for simple Login Page 3 Hari left
    TERVERIFIKASI

    I need a simple Login Page using Sign-in with Google for authentication. - Setting up Google sign-in on Login page - Get Google ID Token after authentication - Send the token to a server route for user creation. - This does not require collecting additional information during the user sign up process beyond what's standard with Google Sign-in. - Note the focus of this project is specifically on the sign-up process of new users.

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    As a business seeking state-of-the-art web solutions, I prioritize Fullstack development for this project. The Wanted Skills: - Mastery in Angular for the frontend development - Knowledge of User authentication, Database integration, and API integration for the backend development Frontend: The frontend development is a core part of this project, and hence, expertise in using Angular is a must-have. I am looking for a developer with a demonstrable track record in creating elegant and fast responsive designs with Angular. Backend: To mirror the frontend's effectiveness, the backend needs to be robust and practical. Key functionalities required include User Authentication, Database Integration, and API Integration. Hence, solid experience in implementing these backend functionalitie...

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    .NET Core API 8.0 Fix it 2 Hari left
    TERVERIFIKASI

    I am currently valiantly battling with a multitude of issues with my .NET Core API, and I require the help of a seasoned professional. In need of someone who is proficient at: - Troubleshooting and fixing authentication errors: I am routinely encountering authentication issues which is deeply affecting usability. - Enhancing data consistency: I have been observing a distressing amount of data inconsistencies that need rectifying. - Implementing user registration and authentication: I need to provide my users with a smooth registration and login process to enhance platform accessibility. - Building data validation and error handling mechanisms: My API is in dire need of solid data validation and error handling procedures to increase reliability. - Integrating with external systems: The API...

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    I would like to manage LiteSpeed Web ADC with API since I made a external control panel wrotten in PHP and what I would like to do is to use LiteSpeed Web ADC to manage user registration, user settings, backend IP, SSL certificates, user permissions, domains, etc... with my external panel. I am OK to use cPanel API if it is not possible to use LiteSpeed Web ADC native API. What I am asking to the freelencer is to set API endpoints for my needs which I said above. REST API are OK. LiteSpeed Web ADC is a Load Balancer. I am not referring to LiteSpeed Web Server which is another thing.

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    We are seeking a highly skilled Power BI Expert with a strong focus on managing and analyzing Power BI DataFlows. The successful candidate will be adept at extracting and interpreting metadata related to data refreshes, performance metrics, and configurations, including incremental refresh statuses. Key Responsibilities: Develop and maintain advanced Power BI reports and dashboards. Utilize Power BI RestAPI and PowerShell to extract metadata about DataFlows, including refresh frequencies, duration of each refresh, and the status of incremental refresh capabilities. Create dynamic and interactive data visualizations that provide insights into DataFlow performance and efficiency. Set up and manage refresh schedules for Power BI reports to ensure data accuracy and timeliness...

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    I'm looking for a skilled Java developer to integrate the Coinbase, Kraken and many other cryptocurrency APIs into my project. Key Objectives: - Integration of Coinbase, Kraken APIs and many other's exchanges api's - Implementation of wallet balance retrieval functionality Ideal Skills: - Proficient in Java programming - Experience with cryptocurrency exchanges and APIs - Prior work with well known crypto exchange's APIs preferred - Strong understanding of API integration and security Please provide examples of similar projects you've worked on and your approach to API integrations. Your ability to meet the project's technical requirements and ensure security will be crucial.

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    I'm looking for a skilled Android app developer to create a beverage vending machine system with a backend web application. The system should be capable of providing a seamless experience for customers, ensuring convenience and efficiency in the beverage ordering process. Key Features: - The Android app will need to include the following functionalities: - Ordering beverages: The app should allow users to browse through a selection of beverages and place orders. - Payment processing: The app should offer a secure and user-friendly payment gateway for transactions. - Brewsing: An additional feature that enables users to brew their own beverages in the vending machine. - The payment processing system should ideally support: - Credit/debit cards: Seamless integration f...

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