API stands for Application Programming Interface, and it is an layer of interface that allows programs to interact with each other. An experienced API developer can build complex interactions between applications, making them faster, more reliable, and accurate. Whether you need a second opinion on your existing application or you want to create an entirely new application for your business, an expert API Developer can do the job for you.

An API Developer's job does not stop at developing. They can also work on design and implementation testing, guide through the entire architect process from prototyping to implementation, create custom system integration solution based on the project requirements, and collaborate with other teams to develop systems that meet customer expectations.

When hiring an API Developer through Freelancer.com, rest assured that they are as competent as any hired onsite software engineer.

Here’s some projects our experts have worked on:

  • Building custom interfaces to move large amounts of data efficiently between applications
  • Working with Javascript to allow websites to access external information relating to weather conditions
  • Creating Grafana dashboards for quick and easy visualization of data points
  • Developing scripts to connect external APIs with more heavy-duty platforms like Microsoft Azure
  • Debugging mobile apps involving fishing
  • Integrating AI capabilities into online shops
  • Automating regression tests so developers can work faster and more accurately

No matter what your business needs are in terms of API development, our expert freelancers are ready to take on the challenge and provide support whenever you need it. With expertise in debugging applications and web development, you're guaranteed to find the right developer for your project! So why wait? Post your project today at Freelancers.com and reap the benefits of working with an expert API Developer now!

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    AI-Powered Search Enhancement for WordPress 6 วัน left
    ยืนยันแล้ว

    **Project Brief: GPT-4 Integration into One-Page WordPress Website** **Overview:** We need to integrate an existing custom GPT-4 model into the search bar of our one-page WordPress website. The GPT-4 model is already complete and needs to be implemented to ensure the search bar functions effectively. The site should then display the information below the search bar in a proper modern UX and UI format. **HARD DEADLINE: June 3rd.** **Project Scope:** - **Integration of GPT-4 Model:** - Implement the custom GPT-4 model into the existing search bar at the top of the landing page. - Ensure seamless functionality between the search bar and the GPT-4 model. - **Display of Information:** - Design and format the results provided by the GPT-4 model in a modern UX and UI format. - Ensure...

    $412 (Avg Bid)
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    API Integration: Use the Amadeus API to fetch flight data. Ensure proper authentication using the provided API key and secret. Flight Data Retrieval: Extract flights from Rotterdam, Amsterdam, Brussels, Charleroi, and Eindhoven airports to all airports in Spain that have Ryanair or Wizz Air flights to any airport in Morocco. Include flights that may involve connections in Spain. Filter and Process Data: Filter the results to include only flights operated by Ryanair or Wizz Air. Ensure flights meet the criteria for connections from Spain to Morocco. Data Presentation: Parse the flight data to extract relevant details (departure times, arrival times, airlines, prices, etc.). Present the filtered flight data in a clear and user-friendly format. Include booking links for each flight option....

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    IOS Parental Control App 6 วัน left
    ยืนยันแล้ว

    Looking for an IOS Swift Developer.

    $695 (Avg Bid)
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    22 คำเสนอราคา
    Salesforce Outlook Plugin Developer Needed 5 วัน left
    ยืนยันแล้ว

    I'm looking for a proficient developer who can create a custom plugin for Microsoft Outlook that will allow me to easily upload email bodies to Salesforce, my chosen CRM system. Key Requirements: - Development of a custom plugin for Microsoft Outlook - Seamless integration with Salesforce CRM - Quick and easy process for uploading email bodies Ideal Skills and Experience: - Proficient in C# and/or Java - Experience in developing plugins for Microsoft Outlook - Previous work involving Salesforce CRM would be highly advantageous - Understanding of CRM integration is a plus Please note that while I have a preference towards C# and Java, I'm open to suggestions on other programming languages that would be more suitable for this project. Please get in touch if you have the neces...

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    Ethereum Price Trends Dashboard 5 วัน left
    ยืนยันแล้ว

    I need a crypto dashboard based on dextools api that shows the 1 day, 3 day, 7 day, 14 day, 30 day, and all time performance of the coin. You should be able to sort by each timeframe

    $1202 (Avg Bid)
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    85 คำเสนอราคา
    Crypto Algo Trading -Python Based 5 วัน left
    ยืนยันแล้ว

    I am looking for a skilled programmer with experience in algo trading using Python - preferably with experience with crypto exchange API. I already have a specific strategy in mind, so I would like someone who can work with me to implement it. Ideal skills for this job include proficiency in Python and experience in API trading. I am looking for a programmer who can work with me on a long term basis with support. Details can be discussed.

    $22 / hr (Avg Bid)
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    81 คำเสนอราคา
    Reseller Club Supersite Integration With WordPress -- 2 5 วัน left
    ยืนยันแล้ว

    Hi, I want to integrate my resellerclub orderbox with my wordpress woocommerce.

    $145 (Avg Bid)
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    85 คำเสนอราคา
    Zoho Desk Support Chatbot Development 5 วัน left
    ยืนยันแล้ว

    I am in need of a highly skilled developer who can create a chatbot integrated with Zoho Desk for my employees. This chatbot will fulfill the major role of answering common FAQs. Given the type and nature of questions expected, an ideal candidate should: - Have experience in creating chatbots - Show familiarity with Zoho Desk API - Demonstrate ability to create bots that can answer technical support-related questions Understanding of the common issues faced in a technical support environment is a big plus, as the chatbot is intended to be primarily query-based. A well-defined and intelligent bot will not only improve our workflow but also help us resolve employee queries faster. That being said, I'm looking for someone who can deliver a chatbot which can accurately answer FAQs a...

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    Amazon Data Automator & Excel Reporting 4 วัน left
    ยืนยันแล้ว

    Project Details $30.00 – 250.00 USD I'm seeking an analyst proficient in harnessing the Amazon Seller API to extract comprehensive data and metrics essential for reporting purposes. Your primary responsibility will involve pulling detailed information from Sales, Orders, Products, Customers, and other relevant columns and sources via the API. Your expertise in navigating the intricacies of the Amazon Seller API to extract pertinent data for reporting is crucial. This data MUST be pulled into Microsoft Excel seamlessly and effortlessly. This will enable easy access and manipulation of the data for reporting purposes. The columns of data required, but not limited to are as follows: Order ID, Tracking ID, Product Name, Unit Price, Ship By Date, Deliver By Date, Purchase Date, ...

    $168 (Avg Bid)
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    CRM WhatsApp Integration for Customer Messaging 4 วัน left
    ยืนยันแล้ว

    If you already worked on this then apply otherwise not. We are looking to integrate WhatsApp into our existing CRM solution under our B2B product, my customer will setup their whatsapp business account under our platform like wati. This will be used for customer messaging and campaign management. Check our platform and let me know, how should we provide this feature to customers to make their life easy so they can have whatsapp all conversation at one place. Key Features and Functionality: - Ability to create and send WhatsApp messages from our CRM platform - Conversations and message history should be recorded and displayed within individual records on the CRM - Complete tracking and reporting capabilities including message delivery status Specific Requirements: - Integration of W...

    $359 (Avg Bid)
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    I am looking for a professional PHP developer who can build a custom website for me, and integrate it with one APIs. - the API is already in use in other websites so you will be able to see what it should do and the result of the build I need at this point. - For your reference, this is one of the websites the API is being used: . The result of this job is to create a similar website as the one in the link above. We have already developed a basic frontend page with the form (input boxes and selectables) to collect the data that will be submitted to the API (json). Next step is store this data locally and submit it to the API. Final design we will take care later. Ideal skills and experience for this project include: - Proficiency in PHP, with a strong understanding of MySQL. -...

    $7 / hr (Avg Bid)
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    AI Implementation on QuickFMS with Copilot Studio 4 วัน left
    ยืนยันแล้ว

    Implementing AI key features within Microsoft Copilot Studio. This document outlines the project scope and requirements to help guide your work effectively. Project Overview: We aim to enhance Microsoft Copilot Studio by integrating three essential features: 1. Chatbot Integration 2. Global Search Functionality 3. In-App Communications with Actions 1. Chatbot Integration: Objective: Enable Copilot Studio users to interact with a chatbot directly within the application interface. The chatbot should provide assistance, answer queries, and offer suggestions related to coding tasks. Key Requirements: • Seamless integration of a chatbot interface within Copilot Studio. • Natural language processing capabilities to understand user queries. • Ability to provide relevant code snippe...

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    Comunicação API v3 4 วัน left

    Preciso usar a tecnologia API para integrar 2 programas.

    $35 (Avg Bid)
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    I'm looking for a skilled developer to create an API that can seamlessly integrate with our FACTUSOL program to generate and print labels on EPSON machines (CW-C6500Ae and TM-C7500) with a specific template. Key Deliverables: - Development of an API that can interface with FACTUSOL to collect necessary data for label generation. - Creation of a template for the labels that includes product information like name, description, barcode, SKU, price, and quantity. The template should also incorporate our company logo. - The system should be able to convert the generated labels into PDF format for printing on the specified EPSON models. Ideal Skills and Experience: - Proficiency in Java, Python, and C# for the API development. - Prior experience in integrating with FACTUSOL or similar ERP...

    $594 (Avg Bid)
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    WordPress Full Stack Developer Needed with API integration 4 วัน left
    ยืนยันแล้ว

    I'm looking for a skilled WordPress Full Stack Developer to enhance my website with new functionalities. Serious Candidate Only. The budget is Fixed for now but can be increased on your performance. I will give you a test task. If you can perform that you will get hired. Please Read this document carefully- Key Responsibilities: - Implement E-commerce Capabilities: I need a professional who can integrate a product catalog and manage inventory. - Membership/Subscription System: The developer should create a robust system for memberships and subscriptions on the site. - Payment Gateway Integration: An experienced developer who can integrate a secure and reliable payment gateway is required. Ideal Skills: - Proficiency in WordPress development - Experience in E-commerce website...

    $74 (Avg Bid)
    แนะนำ
    $74 การประมูลเฉลี่ย
    30 คำเสนอราคา

    We need to develop a script that will massively create descriptions for ~5000 products in a Google spreadsheet. Descriptions should be created via GPT-4 with processing of the product photo, title and current description.​

    $102 (Avg Bid)
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    AWS EventBridge & Shopify Webhooks Integration -- 2 3 วัน left
    ยืนยันแล้ว

    I'm looking for an expert developer who's proficient with AWS services, particularly EventBridge, and has experience integrating with Shopify webhooks. Key requirements: - Setting up and pushing code into fresh AWS servers - Creating and configuring AWS EventBridge to handle large volume webhook events from Shopify - Routing these events to either SQS or Lambda Your primary task will be to ensure that Shopify webhooks are efficiently processed through AWS EventBridge. Ideal skills and experience for this job: - Proficiency in AWS services, especially EventBridge - Experience with Shopify webhooks - Knowledge of server setup and configuration - Prior experience with middleware systems and large volume event handling - shopify graphql and restful api Please note that while the ...

    $218 (Avg Bid)
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    I'm looking for a competent developer to create a Multi Vendor Ecommerce Auction Marketplace on Shopify. The project involves integrating the Shopify platform with a 3rd party platform's API, specifically GAP (documetation to be provided). Key Project Details: - Development of a Multi Vendor Ecommerce platform on Shopify - Implementation of Auction functionality - Ensuring seamless integration with a 3rd party platform (ATG) through its API - Strong reporting features to easily export to Xero - Built Modular - App with push notifications Ideal Skills and Experience: - Previous experience in developing and launching Ecommerce Auction Marketplaces, preferably on Shopify - Profound understanding and experience with Shopify platform and API integrations - Proven track record of int...

    $5223 (Avg Bid)
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    110 คำเสนอราคา
    Real-time Wufoo-Hirehop API Integration -- 2 3 วัน left
    ยืนยันแล้ว

    I'm looking for a skilled developer to help us in creating a seamless connection between Wufoo (form builder) and our CRM Hirehop, using their respective APIs. Ideal Skills and Experience: - Proficient in working with APIs - Solid experience in integrations between Wufoo and CRMs - Skilled in real-time data synchronization - Familiar with creating triggers for data transfer Key Deliverables: - Set up a real-time synchronization process between Wufoo and Hirehop - Ensure that only 'Order Details' data is transferred - Create a trigger for data transfer upon form submission on Wufoo Prior to responding please take a look at the HireHop API documentation here:

    $219 (Avg Bid)
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    Android Flutter App Developer Needed 3 วัน left
    ยืนยันแล้ว

    I'm seeking an experienced Flutter developer to assist in the creation of an Android application. Key Points: - The main purpose of the app is not yet defined. We are open to ideas and suggestions. - We don't have a specific design in mind, so I'll need the developer to lead the design process. - The primary platform for this app is Android. Requirements: - Proficiency in Flutter and Dart - Experience in designing mobile applications - Strong problem-solving skills and creativity - Ability to work independently and think critically

    $61 / hr (Avg Bid)
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    Hello, I need a tool that use API Riot and display all information of active game with require informations: 1. The next elemental dragon 2. All the champion 3. The time of the game 4. Champion's name Please show me an example of display these information, I will buy it, thanks!

    $185 (Avg Bid)
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    Laravel API Integration with Google Sheet 3 วัน left
    ยืนยันแล้ว

    I'm looking for a Laravel expert to integrate Google Sheets into my system. Specifically, I want to connect it with a form on my site for seamless data handling. I have an html form php file on my server (built in laravel). I would like a passcode (no username) added to the form that captures the user connected to the passcode when the form is submitted. I would like the data sent to Google Sheets when a user submits the form. The Google sheet is complex. I would like the form data sent to 1 of 13 sheets. It should search for the sheet name, date, and user (from the html form) to find the correct sheet and row to insert the data from 5 fields.

    $22 (Avg Bid)
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    10 คำเสนอราคา
    AWS EventBridge & Shopify Webhooks Integration 2 วัน left
    ยืนยันแล้ว

    I'm looking for an expert developer who's proficient with AWS services, particularly EventBridge, and has experience integrating with Shopify webhooks. Key requirements: - Setting up and pushing code into fresh AWS servers - Creating and configuring AWS EventBridge to handle large volume webhook events from Shopify - Routing these events to either SQS or Lambda Your primary task will be to ensure that Shopify webhooks are efficiently processed through AWS EventBridge. Ideal skills and experience for this job: - Proficiency in AWS services, especially EventBridge - Experience with Shopify webhooks - Knowledge of server setup and configuration - Prior experience with middleware systems and large volume event handling - shopify graphql and restful api Please note that while the ...

    $262 (Avg Bid)
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    40 คำเสนอราคา
    Custom Creation of CRM created with Odoo 13 or Zoho Creator 2 วัน left
    ยืนยันแล้ว

    I need a CRM solution designed around the latest version of Odoo, Odoo 13 or Zoho. I'm looking for developers with specific skills and experience customizing Odoo CRM or Zoho Creator (CRM). Key features I need to integrate: - Contact management - Management of the Contracted Services pipeline - Customer support tickets - Agenda management with confirmations via automation via email and Whatsapp - Patient Medical Records - Integration and Management of WhatsApp messages - Built-in video calling appointments Additionally, the project requires specific design and branding elements that will be explained in more detail during the selection process. An eye for detail and a creative mindset are required to meet the specifics of the project. Thanks.

    $283 (Avg Bid)
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    QuickBooks Online & POS/ERP C# .net Core Integration 2 วัน left
    ยืนยันแล้ว

    I urgently need an expert in C# to integrate my Point of Sale/Enterprise Resource Planning (POS/ERP) system with QuickBooks Online. The goal is seamless syncing of different modules, including, but not limited to: - Customer Information - Inventory Status - Purchase History - Sales Records - Products, Categories, etc... Familiarity with QuickBooks Online APIs and proficiency in C# .net Core is imperative for this role. Past experience with similar projects will be highly valued. The timeline is urgent; I need this integration done ASAP. we already have a code we made integration with SAP Business One, we can share this code to have the fastest development, and also we have the code of a previous developer who made of Quickbooks so it would help to see how to integrate

    $177 (Avg Bid)
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    CRM Automation Expert Needed (for Monday.com) 2 วัน left
    ยืนยันแล้ว

    I'm looking for a CRM automation expert to optimize and automate our daily processes in Monday.com. The aim is to streamline our operations, increase data accuracy, and improve task allocation in order to enhance efficiency and productivity. Key Requirements: - Automation of Sales Pipeline Management - Automation of Task Management - Automation of Communication Tracking Current Pain Points: - Manual data entry errors - Inefficient task allocation Expected Outcomes: - Streamlined processes to reduce manual effort - Increased data accuracy and reduction of errors - Improved task allocation and productivity Ideal Skills and Experience: - Extensive experience in CRM automation, particularly with - Proven track record in process optimization and efficiency improvements - Strong proble...

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    I am looking for a professional Laravel developer who can help in creating a Laravel dashboard. Your experience and skills in working with Laravel will be key in accomplishing this project. This job includes: - Developing a Laravel application for a dashboard - Incorporating specific features into the dashboard, such as: * User Management * Data Visualization * Report Generation * External API Mapping to frontend Your Profile: - Expert Laravel Developer - Extensive experience in creating unique, efficient dashboards - Proficient in user-management systems - Strong background in data visualization - Exemplary skills in report creation and generation Excellent project understanding and creativity are essential in bringing my visions to reality. Looking forward to working wit...

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    Construir un sitio web de casino online. 2 วัน left
    ยืนยันแล้ว

    Hola! Como están? Somos un grupo de emprendedores que buscamos un front y back, para una plataforma de casino online que tenga conocimiento de las API necesarias para el proyecto, hacer la maquetacion y el diseño de la pagina, con paneles para que pueda haber administradores. Estos administradores proveeran los creditos que se utilicen en el casino y el CEO (unicamente los lideres) podrán crear estos creditos. Sin sistema de pagos, ya que el sistema de pagos iria por fuera de la pagina. Idealmente nos gustaría encontrar a alguien que tenga experiencia integrando MercadoPago. --- Hello! How are you? We are a group of entrepreneurs who are looking for a front and back end for an online casino platform that has knowledge of the APIs necessary for the proj...

    $1605 (Avg Bid)
    NDA
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    API for UE4 and export to V.R. 2 วัน left
    ยืนยันแล้ว

    Hello! I have a small video game project (art installation in the form of a video game) in Unreal Engine 4.27 and I need your help. I need you to: 1) make an API that collects "hate speech" from social media (one version for English, one for Serbian) and make it appear periodically in my game level 2) make it so that a robot voice reads that text (one version for English, one for Serbian) 3) export it for a virtual reality headset (making it app-store ready) I already made the environment , UI design and particle effects. Please let me know how much time you will need for this project.

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    Custom WHMCS DNS Manager Module Development 2 วัน left
    ยืนยันแล้ว

    I need a custom WHMCS module that will take my DNS management to the next level. This module should: - Offer comprehensive DNS record management capabilities - Provide advanced DNS zone management options In terms of the user interface, I'm looking for a blend of simplicity and modernity. So, the UI should be: - Simple and intuitive for users to easily navigate and use - Modern and sleek to align with the current design trends The key part of this project is integrating with a custom DNS service. This means the module will need to be: - Compatible with the custom DNS service I use (API) is available - Highly functional for smooth integration and operation Ideal candidates should have experience with: - WHMCS module development - DNS management systems - Custom UI/UX design - ...

    $36 (Avg Bid)
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    I'm looking for an experienced developer to help with real-time text data scraping via API and management using BeautifulSoup. This project is primarily focused on retrieving text data and storing it in a database. Key Responsibilities: - Implement an API scraper to continuously retrieve text data in real-time - Utilize BeautifulSoup for data extraction and management - Develop a robust database to store all the scraped text data The ideal candidate should have: - Proficiency in Python programming language - Strong experience with API scraping and BeautifulSoup - Previous work involving real-time data scraping - A good understanding of database management It is important that the data scraping runs seamlessly and accurately in real-time. Prior experience with similar projects wil...

    $4 / hr (Avg Bid)
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    PHP Webapp - Supplier API Integration 1 วัน left
    ยืนยันแล้ว

    I have a web application that runs on PHP and I'm looking to integrate it with APIs provided by multiple suppliers. These suppliers will send us three specific types of data through their APIs - customer information, product information, and order information. Key Requirements: - Connect the webapp with Supplier A, Supplier B, and Supplier C APIs. - Extract and process customer information, product information, and order information sent by these suppliers. - Display this data on the webpages of the application. - Store this data efficiently in a database. Skills and Experience: - Proficient in PHP and API integration. - Strong understanding of database management. - Experience in handling customer, product, and order data. - Detail-oriented to ensure accurate data extraction and di...

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    Cross-Platform Payment App Development 1 วัน left
    ยืนยันแล้ว

    I need a cross-platform native mobile application for iOS and Android that will primarily be used for fund transfer, recharge, bill payment, tax accounts, and other utility services as per attachment. The app should have a user-friendly interface and must be fast, secure and reliable. Key requirements: - Develop a cross-platform native mobile application for iOS and Android. - The application should be able to facilitate fund transfers, recharge, bill payments, manage tax accounts, and provide utility services. - Ensure that the app is user-friendly, fast, secure, and reliable. I need this project completed ASAP. Please provide your portfolio and relevant experience when you submit your bid.

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    Explicit Filtering Phase -- 2 หมดเขตแล้ว left
    ยืนยันแล้ว

    Explicit Filtering Phase project as discussed in chat for phrase detection and resultant redirect.

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