API Jobs
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!
De 179,857 opiniones, los clientes califican nuestro API Developers 4.87 de un total de 5 estrellas.Contratar a API Developers
Se tiene una app desarrollada en Flutter y se necesita agregar dos reportes adicionales así como una api para los mismos
Necesito terminar de desarrollar un catalogo propio alimentado con una API. Todas las especificaciones las ire comentando en el chat.
I have several problems in a custom made plugin, which means functions not working right on frontend. The site is a football statistics website: Plugin is made with PHP and JS. Also we have several cronjobs running daily and updating through API. After fixing the problems I want to know who can optimize the code / setup, since I guess threre are a lot of bugs and the cronjobs often stops and not getting finished (most likely because timeout or to much data). Right now I have list with 4-5 task, which needs to be fixed asap.
I'm looking for an expert-level algo trading strategy developer for Qlymp Trade to help me with my personal project. This will involve developing and implementing a set of algorithms to achieve my desired objectives in trading securities. My target market for this project will be related to composites, including stocks, forex, and cryptocurrencies. This project requires an experienced freelancer who is well-versed in developing trading strategies based on data and who also possesses a good understanding of trading best practices. As such, I'm looking for someone who can provide exceptional solutions and help me meet my trading objectives.
Hi, I need a team who is having experience on integrating shipping to a website developed using core PHP Experience freelancer please
I am in need of a developer to connect an API to my system. I do not have this API set up yet, and need someone to do it for me. We print on clothing and we need to connect our SHOPIFY site to our supplier's API in order to verify "live" the quantity of stock in their warehouse for each product (e.g. black shirt size Large > current availability 100 pieces). Furthermore, we need our site not to make products with quantities read by the supplier equal to 0 available for purchase. We need the job completed within a month. If done well, there may be potential for future work related to this API. Attached are instructions from suppliers on connecting to their platform.
I'M LOOKING FOR SOMEONE WHO CAN DEVELOP A CYBERSECURITY OSINT TOOL. ex : osint for his name his job in linkedin his number his social media account ...
I am looking for an experienced Flutter developer to create an app for redeeming vouchers on both iOS and Android platforms. UI Design: - The client already has a design for the app, so the freelancer will not need to design it from scratch. Features: - The app should have QR code scanning functionality for redeeming vouchers. - Login and Authentication - Full and/or Part-Redeem of any/all supported products - Identify/Scan Product via QR/NFC-Read or Manual Alphanumeric code entry - Display the product scanned - Voucher Redemption - Redeem Confirmation Ideal Skills and Experience: - Proficiency in Flutter development for both iOS and Android platforms. - Experience with integrating QR code scanning functionality into mobile apps. - Knowledge of user authentication and registration pro...
This is a project that is meant to manage team and marketing systems. To track sales and invoices. To maintain reports that we can download. The user side will be a app. Staff can access the app and can onboard/create their junior staffs. Staff can create students. Staff can see all other staff that are under him. When a staff creates a junior staff. There is a onboarding charges that will allow us to create the ID cards and other assets that are needed for them to start working. So when a staff creates a new junior staff they have to first make the payment using the app. And submit documents for proceeding. After that if the admin approve the onboarding he will be appointed in the designation. The admin side will be a website. The admin can create team, delete user, manage invoices an...
I am looking for a freelancer who can help me with a project that involves barcode and data storage in the barcode. The project requires the following skills and experience: Type of Barcode: - QR Code Linked Data: - Other Data (not a website URL or text) System for Reading and Interpreting Barcode Data: - Yes, a system is required to read and interpret the barcode data Ideal Skills and Experience: - Proficiency in working with QR Code barcodes - Experience in storing and retrieving data within a barcode - Knowledge of barcode scanning systems and technologies - Strong understanding of data storage and interpretation methods If you have the required skills and experience, please reach out to me with your portfolio and relevant project examples. I am looking forward to collaborating wit...
Your goal will be to analyze a specific POST Request from LinkedIn's mobile-app (not the browser) and find a way to trigger that request from any backend server. To apply: - You're capable of analyzing your mobile phone network traffic - You understand APIs very well. More details: The job consists in analyzing the POST request that happens when you send a voice note using the LinkedIn mobile app and try to reproduce it via Postman using any audio file. You will be paid on successfully completing this task. We need it as soon as possible (in the next couple of days). I will work with multiple people and pay the first person that can solve it. You won't have to share any code with me or solution, you can let me know when you've found the solution and I will ...
Receive phone calls (with the api of Twilio, or Vonage, Telnyx, etc) for payment and the clients Pay with with Stripe or Paypal online to call at these virtual italian phone numbers Hello! I just need to set up a buy-form (to insert into a wordpress webpage) that permits me to pay in advance some credit to call some Italian phone numbers (landline or mobile is not important, the cheapest would be the best.. so for example a virtual italian phone number that cost 3 euro monthly, is better of a number that cost 30 euro monthly, also because I will need to configure multiple numbers, at least 4-5 and in future maybe more.. ) and the callers has to pay in advance (with paypal or stripe) the minutes to can call. When pre-paid the credit ends, then the phone call ends too or the credit would Se...
We are looking for a competent flutter developer who can contribute to our ad-hoc solution on a freelancer basis. The typical engagement would be for 1 to 1.5 months ranging 20-30 hours per week. The ideal candidate should have: 1. Proven experience in designing web model of the Flutter 2. Integrations using Rest API 3. Good understanding of UI & Animations. 4. Go-getter attitude to design solutions on the tasks 5. Prideful ownership of his work. The objective here to develop a marketing platform for a client. More details to be shared post first connect. Interested candidates feel free to apply.
I am looking for a Symphony developer who can help me build a new feature for my project. The project is looking for a commitment of 1 to 1.5 months approx 20-30 Hours work in a week. The engagement if fruitful, more rewards to come as additional incentives e.g. delivering the project well ahead of timeline. Specific requirements for this project include: - Building a new feature in PHP framework (Laravel or Symphony). - He should be fluent in working with MySQL as well. - He should be able to assist in creating software back-end, although we have one software that can be used to pickup code of the features from. Ideal skills and experience for this job include: - Strong proficiency in Symphony framework - Experience with building new features and integrating technologies and framework...
I am looking for a skilled developer to help me synchronize my Discogs marketplace with Woocommerce via API: Requirements: - Experience working with WooCommerce and API integration - Knowledge of Woocommerce API and how to retrieve and update item information and inventory via API from an external marketplace - Ability to synchronize all items from my Discogs marketplace to Woocommerce - Proficiency in managing API keys and ensuring secure and reliable synchronization Needs (Optimized to fast web response) : - Import marketplace inventory from Discogs to Woocommerce with product page, category, tags, attributes and metadata mappings provided by us - Automated inventory sync between marketplaces: When I sell a product on Woocommerce or Discogs, I'd like it to be removed in the ot...
NO COMPANY BID, ONLY BID YOUR FINAL PRICE I DO NOT WANT TO NEGOTIATE ON PRICING. We are actively seeking a talented Python developer to lead the development of a Face Matching Detection API system. This project involves designing and implementing robust face detection and recognition algorithms, creating a secure and scalable API, and delivering comprehensive documentation. Key Responsibilities: Develop face detection and recognition algorithms. Design and implement a RESTful API for face matching. Ensure the security and privacy of user data. Create documentation for API usage and deployment. Collaborate with the team to meet project objectives. Requirements: Proficiency in Python and relevant libraries (OpenCV, TensorFlow, Dlib). Experience in image processing and face recognition. S...
I am looking for someone who can help me to finish the project. 85% of the codebase is written, just need to connect frontend and backend and make sure everything is working as intended. Frontend is in React and backend is in Python. Objective Develop an application that generates blog posts based on data retrieved from a Google Spreadsheet, utilizing the OpenAI API to create content according to specified instructions, and then compile the generated content into a Google Doc. The frontend and backend were somewhat written, but the app is not functional yet - the backend and frontend have to be connected - so the developer has to go over the app's flow and ensure that everything is working as intended. More details are here: Before starting the project, I'd like to know the ...
I am looking for a freelancer to configure a payment gateway with WHMCS. Payment Gateway: Tap Skills and Experience: - Experience with WHMCS and payment gateway integration - Knowledge of payment API - Familiarity with web development and WHMCS Application Requirements: - Please include past work and experience related to WHMCS and payment gateway integration - Detailed project proposals are not required Timeline: - 1 Week
NO PLACEHOLDER BIDS! NO PLACEHOLDER BIDS!! NO PLACEHOLDER BIDS!!! Hi there, I need a MERN developer, who can build a business phone app using the VoxImplant [] Platform APIs & SDKs. The app will have a simple dashboard, where each app user, who is a site owner, can: 1- create an account ~ we will use secure code/pin, no password; 2- subscribe to a monthly payment plan ~ we will use Stripe ~ 85% COMPLETED; 3- buy a mobile number ~ we will use VoxImplant Platform APIs & SDKs; 4- configure the number to receive/make calls & send/receive texts ~ we will use VoxImplant; 5- track number activities i.e. total calls, made calls, received calls, etc.; * I am looking for a full-time freelancer, who can complete the account parts in 2-3 days and the dashboard parts in 3-4 days and the...
We want to develop an application to monitor the filesystem and upload changes in txt files to some APIs that we have already developed. Detailed scope: - Develop electron application (meant to work in windows and mac) that monitors the filesystem, and uploads the txt files found to an API service that we’ll provide to you. - The application has to upload entire txt files when it finds them, but also upload any new lines found in the files. - The application needs to keeps track of the files already uploaded, and also of the number of lines uploaded for every file, to avoid uploading the same information multiple times. - We need to give the user an option to configure the folders he wants to track. He can choose any number of folders, and the application needs to keep track of all t...
Hello Dear Freelancers, i want to add proxy in my avatar finder on steamcommunity , i want to send more api request on steamcommunity and get more users , a lot of people try to do it but cant finish , so i would like to give you award since i will see that everything work in my pc
I am looking for a skilled developer to create a 20-page informational website with a mobile responsive design. The purpose of the website is to provide information to users. Essential features that need to be included on the website are: - ESTIMATE BUY calculation - ESTIMATE PORTFOLIO calculation - SEND MONEY calculation The client already has a design ready for the website. The ideal candidate for this project should have experience in full-stack development, with knowledge of HTML, CSS, JavaScript, and backend languages. They should also have experience in creating mobile responsive websites.
I am looking for experienced Revit API developers/freelancers. Skills:- - Revit API - C#, .net (mandatory) - WPF Tasks: - Creating custom Revit add-ins - Providing suggestions and guidance for the add-ins' functionality based on my general idea Requirements: - Proficiency in Revit API development, atleast 1year experience. - Having good knowledge of C#, .net framework, WPF. - Experience in creating custom Revit add-ins - Strong troubleshooting skills for existing scripts Timeline: - The project needs to be completed within 1-3weeks If you have the necessary skills and experience in Revit API development, please contact.
I am looking for a freelancer who can assist me with the structuring, migration, and integration of my database. I currently have my data stored in Google Sheets and I am looking to migrate it to a more robust database management system. Skills and Experience: - Strong knowledge and experience with database structuring and migration - Familiarity with MySQL, JSON, APIs and database cloud services - Ability to recommend and suggest suitable database management systems for the migration and integration process - Proficiency in handling small-sized data (less than 1GB) for migration - Excellent problem-solving and troubleshooting skills to ensure a smooth transition of the data Conhecimento de Glideapps desejável.
Resume generation should be independent page where candidate submit details and the gpt will generate resume content pass these values to chatgpt to generate resume professionally then based on the chatgpt response prepare pdf after the content is generated resume should be build based on templates u should create templates via code
I am looking for a experienced Express Js developer to help me build out a custom project. I need help with user authentication, database integration and API development. I would like the project to be completed within a month, and I have some existing documentation, however it might be incomplete. If you are interested in this project, please get in touch!
Resume generation should be independent page where candidate submit details and the gpt will generate resume content. pass these values to chatgpt to generate resume professionally then based on the chatgpt response prepare pdf
NO PLACEHOLDER BIDS! NO PLACEHOLDER BIDS!! NO PLACEHOLDER BIDS!!! FOR COMM. PURPOSES, PLS DO NOT BID IF YOU'RE FROM ANY SOVIET/BALKAN COUNTRY!!! Hi there, I need a MERN developer, who can build a business phone app using the VoxImplant [] Platform APIs & SDKs. The app will have a simple dashboard, where each app user, who is a site owner, can: 1- create an account ~ we will use NextAuth; 2- subscribe to a monthly payment plan ~ we will use Stripe ~ 85% COMPLETED; 3- buy a mobile number ~ we will use VoxImplant Platform APIs & SDKs; 4- configure the number to receive/make calls & send/receive texts ~ we will use VoxImplant; 5- track number activities i.e. total calls, made calls, received calls, etc.; * I am looking for a full-time freelancer, who can complete the accou...
NO PLACEHOLDER BIDS! NO PLACEHOLDER BIDS!! NO PLACEHOLDER BIDS!!! FOR COMM. PURPOSES, PLS DO NOT BID IF YOU'RE FROM ANY SOVIET/BALKAN COUNTRY!!! Hi there, I need a MERN developer, who can build a business phone app using the VoxImplant [] Platform APIs & SDKs. The app will have a simple dashboard, where each app user, who is a site owner, can: 1- create an account ~ we will use NextAuth; 2- subscribe to a monthly payment plan ~ we will use Stripe ~ 85% COMPLETED; 3- buy a mobile number ~ we will use VoxImplant Platform APIs & SDKs; 4- configure the number to receive/make calls & send/receive texts ~ we will use VoxImplant; 5- track number activities i.e. total calls, made calls, received calls, etc.; * I am looking for a full-time freelancer, who can complete the accou...
Preciso ter um dashboard com o desempenho dos criativos de anúncio. Uma api que extraia os dados de todas as contas de anúncios do Facebook Ads e mostre em gráficos o desempenho atualizado de cada anúncio em tempo real.
NO PLACEHOLDER BIDS! NO PLACEHOLDER BIDS!! NO PLACEHOLDER BIDS!!! Hi there, I need a MERN developer, who can build a business phone app using the VoxImplant [] Platform APIs & SDKs. The app will have a simple dashboard, where each app user, who is a site owner, can: 1- create an account ~ we will use NextAuth; 2- subscribe to a monthly payment plan ~ we will use Stripe ~ 85% COMPLETED; 3- buy a mobile number ~ we will use VoxImplant Platform APIs & SDKs; 4- configure the number to receive/make calls & send/receive texts ~ we will use VoxImplant; 5- track number activities i.e. total calls, made calls, received calls, etc.; * I am looking for a full-time freelancer, who can complete the account parts in 2-3 days and the dashboard parts in 3-4 days and then update my repo as ...
NO PLACEHOLDER BIDS! NO PLACEHOLDER BIDS!! NO PLACEHOLDER BIDS!!! Hi there, I need a MERN developer, who can build a business phone app using the VoxImplant [] Platform APIs & SDKs. The app will have a simple dashboard, where each app user, who is a site owner, can: 1- create an account ~ we will use NextAuth; 2- subscribe to a monthly payment plan ~ we will use Stripe ~ 85% COMPLETED; 3- buy a mobile number ~ we will use VoxImplant Platform APIs & SDKs; 4- configure the number to receive/make calls & send/receive texts ~ we will use VoxImplant; 5- track number activities i.e. total calls, made calls, received calls, etc.; * I am looking for a full-time freelancer, who can complete the account parts in 2-3 days and the dashboard parts in 3-4 days and then update my repo as ...
I am looking for a Python developer who can help me FINISH a program that is 1-5% code missing. I can provide an explanation of the functionality that the program should have. The desired functionality of the final program is a semi automated TRADING tasks. I will be able to provide continuous feedback during the development process. The ideal candidate for this job should have experience in Python programming and be able to work with minimal guidance. Program runs a Trading dashboard to Set auto entries and outs, plus some stats running also. Goes with the Interactive Brokers API. The program runs already, but my developer (which has a personal/health dificulty) did a final automated test code before couldnt patch it. --> THATS WHATS REQUIRED. ps: Better if you will keep developing ...
I am looking for a splunk expert that also has telecom knowledge
I need someone to execute and automate 2 existing APIs (App Programming Interfaces). When the first API returns true, then automatically execute the 2nd API. The first API needs to run several times per second. All this needs to be done using Javascript code.
NO PLACEHOLDER BIDS! NO PLACEHOLDER BIDS!! NO PLACEHOLDER BIDS!!! Hi there, I need a MERN developer, who can build a business phone app using the VoxImplant [] Platform APIs & SDKs. The app will have a simple dashboard, where each app user, who is a site owner, can: 1- create an account ~ we will use NextAuth; 2- subscribe to a monthly payment plan ~ we will use Stripe ~ 85% COMPLETED; 3- buy a mobile number ~ we will use VoxImplant Platform APIs & SDKs; 4- configure the number to receive/make calls & send/receive texts ~ we will use VoxImplant; 5- track number activities i.e. total calls, made calls, received calls, etc.; READ THE TASK FLOW HERE: WATCH THE VIDEO DEMO: WHAT IS YOUR BUDGET & TIMELINE? k
I am looking for a freelancer who can help me connect my project to the Shopee API. Specifically, I need assistance with the Product Management endpoint. API Integration: - I am not sure if I have an existing API that needs to be integrated with Shopee's API, so I need advice on this matter. Platform/System: - The project is being developed using Python. Ideal Skills and Experience: - Experience with Shopee's API and its various endpoints, especially Product Management. - Knowledge of API integration and development. - Proficiency in Python programming language.
I am looking for a Python developer to help me with a data analysis and tool enhancement project . The ideal candidate should have experience in data analysis and be proficient in Python programming. Specific functionality: - The Python code should be able to perform data analysis tasks efficiently. Preference for libraries/tools: - I have specific libraries and tools in mind that I would like the freelancer to use. Data set: - I will provide the data set that needs to be analyzed. If you have the necessary skills and experience in Python programming and data analysis, please reach out to me with your portfolio and relevant experience.
We specialize in Restaurant365 as our ERP platform and build applications to enhance R365's functionality. We need a programmer to build a Utility to pull merchant transasaction reports on an automated basis for many of our restaurant clients.
We need a simple custom REST API developed using APEX in Salesforce. The API will create an existing custom Record Called Survey Response. This will be a simple API with only 7 input fields and 4 response fields. Authentication should utilize OAuth 2.0 with a client id and client secret. Deliverables include class, test class, Connected App, basic documentation, as well as a Postman collection for testing. We are looking for a very quick turnaround for this task. A sandbox will be provided for development. The client will move all necessary items to Production.
We need a Mid Level Python Developer who is around 3-4 years of experience. The contract would be for 1-2 months. And once based on your satisfied performance the contract could be increased. No bid templates post response to this description. Expected budget Rs.35,000-40,000.
We are using Perfex CRM where we need a custom module for the SMS Gateway. We will provide the SMS gateway API details. We are expecting to hire a developer who has sound knowledge of Perfex CRM and develop a custom module on the SMS gateway.
We are currently looking for assistance in integrating APIs (Xero and Cleva) for our bespoke CRM as well as integrating our CRM with Microsoft 365 (calendars and emails). We are aiming to complete the project within 1 month. This project requires experienced developers to create APIs that would connect our CRM with Microsoft 365, Xero and Cleva in order to streamline our daily tasks and workflow. We are looking for someone with experience in building API projects and who can deliver the job in a timely manner. If you believe you are the right fit for this project, we would love to hear from you.
Im looking for someone that ever worked for the program "Coachview" and who has knowledge/experience with API. Showing simple the data in a list on my website. Or someone who has atleast experience/did something already for POSTMAN API
I am looking for a mobile application developer who can create an application for both iOS and Android platforms. I have specific design and feature preferences for the application, and I am looking for a developer who can meet these requirements. Ideal skills and experience for this job include: - Proficiency in reactNative, Firebase - Strong understanding of user interface design and user experience is a plus - Ability to work closely with clients to understand their specific requirements and deliver high-quality results - Knowledge of current trends and best practices in mobile application development - Excellent communication skills to ensure smooth collaboration throughout the project. - Should be experienced using APIs
Нам необходима автоматизация через антидетект браузер и работа в многопоточном режиме. Необходимый функционал: - Работа в многопоточном режиме через антидетект браузер - Автоматизация ретвитов и лайков на постах, по определенной системе (из сообщений в самом твиттере) - Автоматическое написание сообщений. - Делать посты в группах из выбранного списка. - Автоматически делать публикации. - Цикличность работы, бот должен работать 24/24 с перерывами и автоматическим запуском. - Возможность по ссылке ретвит поста внутри своей фермы и так же отправка сообщений с указанием юзер нэйма с дальнейшем ретвитом.
I am looking for a freelancer who can help me with analyzing smart contract transaction data using etherscan api in java or pyhon.
NO PLACEHOLDER BIDS! NO PLACEHOLDER BIDS!! NO PLACEHOLDER BIDS!!! Hi there, I need a MERN developer, who can build a business phone app using the VoxImplant [] Platform APIs & SDKs. The app will have a simple dashboard, where each app user, who is a site owner, can: 1- create an account ~ we will use NextAuth; 2- subscribe to a monthly payment plan ~ we will use Stripe; 3- buy a mobile number ~ we will use VoxImplant Platform APIs & SDKs; 4- configure the number to receive/make calls & send/receive texts ~ we will use VoxImplant; 5- track number activities i.e. total calls, made calls, received calls, etc.; WHAT IS YOUR BUDGET & TIMELINE? k
I am in need of a sample code for a Flutter mobile application that is compatible with both iOS and Android platforms. The main functionality or feature that should be included in the sample code is data retrieval from a database. I prefer to use Flutter's own architecture for coding style and code architecture. Ideal skills and experience for this project include: - Strong proficiency in Flutter framework and Dart programming language - Experience in developing mobile applications for both iOS and Android platforms - Knowledge of database integration and data retrieval techniques using Flutter - Familiarity with Flutter's own architecture and best practices - Ability to create a clean and organized code structure for easy maintenance and scalability. To sum up I would need ...
NO PLACEHOLDER BIDS! NO PLACEHOLDER BIDS!! NO PLACEHOLDER BIDS!!! Hi there, I need a MERN developer, who can build a business phone app using the VoxImplant [] Platform APIs & SDKs. The app will have a simple dashboard, where each app user, who is a site owner, can: 1- create an account ~ we will use NextAuth ~ 85% COMPLETED; 2- subscribe to a monthly payment plan ~ we will use Stripe ~ 85% COMPLETED; 3- buy a mobile number ~ we will use VoxImplant Platform APIs & SDKs; 4- configure the number to receive/make calls & send/receive texts ~ we will use VoxImplant; 5- track number activities i.e. total calls, made calls, received calls, etc.; WHAT IS YOUR BUDGET & TIMELINE? k