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!

177,245 értékelés alapján az ügyfelek 4.88 / 5 csillagot adtak API Developers szabadúszónknak.
Alkalmazza API Developers szabadúszót


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Szűrés erre:
    Munka státusza
    39 munka, árazás ebben: EUR

    Hello, we need to integrate our GPS tracking system software with a software of a company called ANAS. It regards the sections below, according to what they wrote us. I attach you also a word document, that they provided us, with all the requirements. It's written in ITALIAN only, so please take your time to translate it. "Di seguito le url di accesso per i protocolli: - SOAP Standard (solo localizzazione) - SOAP Esteso (localizzazione + telemetrie + diagnostica +allarmi) - REST (solo localizzazione) Il formato dei dati è illustrato sia nel documento che troverà in allegato e sia nel descrittore del servizio fornito dalle url sopra citate. Non esiste ambiente di Test, ma solo il server di produzione (). Si resta a dispos...

    €585 (Avg Bid)
    €585 licitátlag
    20 árajánlat

    I am searching for openshift and 3scale API management skill set people who can support me.

    €4 - €8 / hr
    €4 - €8 / hr
    0 árajánlat

    I'm looking to develop Python with API control to build a WordPress plugin that enables the creation of WordPress pages (blog) automatically by interfacing API to several information sources

    €494 (Avg Bid)
    €494 licitátlag
    57 árajánlat
    Criar uma api 6 nap left

    Preciso de uma Api que conecte ao ServiceNow para buscar determinados chamados e fazer um Dashboard em PowerBI como em anexo, para visualizar em todos os estados o que está sendo aberto e em qual estado.

    €22 (Avg Bid)
    €22 licitátlag
    2 árajánlat

    Job Description: I'm looking for an experienced developer to create a script that can extract full data from website using API provided by the platform. Pull data. Parse data. Edit one column. Create a second column using data in two other columns. Write certain columns with headers to three different csv files.

    €111 (Avg Bid)
    €111 licitátlag
    54 árajánlat
    CHAT GPT expert needed 6 nap left

    I have bulk emails. I want to use CHAT GTP FOR WORK to write unique/custom emails and put into a file. I supply the emails service provider puts it all into a Google spreadsheet.

    €287 (Avg Bid)
    €287 licitátlag
    31 árajánlat
    Integrar API eFirmaGo con Bitrix24 6 nap left

    Hola. Nos gustaría integrar una API de firma electrónica con Bitrix24. Ambos tienen API abierta. Se requiere persona seria ya que será la encargada de realizar futuras integraciones para los clientes que contraten la integración.

    €51 (Avg Bid)
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    10 árajánlat

    We're looking to update our existing hybrid app, built on the Flutter framework, for both Android and iOS platforms. The app is built on top of Woocommerce as its base and uses Weclapp via an API to calculate prices using a plugin. This plugin uses algorithms to calculate the price based on the quantity and type of items in the customer's cart. Please note that C items are only available when A or B items are present in the shopping cart. We want to ensure that these new features are seamlessly integrated into the app's existing functionality and that the app remains user-friendly and intuitive. We are currently in the process of developing the graphic design for the app, and the programming should be oriented accordingly. We would like to emphasize that this update shoul...

    €677 (Avg Bid)
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    105 árajánlat
    IA email labeler tool 5 nap left

    I need to develop a tool for my company to automatically label up to 2k daily emails.

    €1077 (Avg Bid)
    €1077 licitátlag
    37 árajánlat

    Our company is looking to integrate a chatbot powered by ChatGPT into our official WhatsApp number to improve our sales process. The chatbot should be able to engage with customers, negotiate deals, and provide relevant information about our products and services. The project will involve choosing a chatbot platform, building and training the chatbot, connecting it to our WhatsApp number, testing and optimizing the chatbot, and integrating it into our sales process. Scope of Work (SOW): Determine the requirements for the chatbot and its integration with WhatsApp. Choose a chatbot platform that meets our needs. Build and train the chatbot to handle customer inquiries and negotiate deals. Connect the chatbot to our official WhatsApp number using an API or a third-party integration tool. Te...

    €265 (Avg Bid)
    €265 licitátlag
    10 árajánlat
    OpenAI integration with Webflow 5 nap left

    I am looking for someone to integrate ChatGPT with my website, which is built with Webflow. I currently have an existing ChatGPT account, and require some customisation to the integration. Specifically, I need to modify how the integrated bot acts in specific scenarios with the use of LangChain to make sure it is functioning as intended. I also need help with any additional features that I may want to incorporate. Experience with ChatGPT and Webflow is an absolute must, as I require a professional and seamless integration between the two platforms. Ultimately, I want to provide my customers with an outstanding service by building on ChatGPT's capabilities. If you are interested, please get in touch to discuss further.

    €12 / hr (Avg Bid)
    €12 / hr licitátlag
    43 árajánlat

    I'm looking for a talented developer with expertise in Flutter and Mono Solutions API, to help embed my flutter app in the Mono Solutions stack. Only send specific and relevant bids. Do not mention any generic terms.

    €148 (Avg Bid)
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    4 árajánlat
    Flutter Search Issue 5 nap left

    I have a search issue in my flutter application where I cannot search for services. The function used to work but it stopped working and I'm not sure what has made it so. The app is not searching for services as you type or even after typing and pressing enter. I need it fixed. The app has API endpoints. Note: Bid with FINALITY no counter bids on chat once we start engagement. Thank you.

    €41 (Avg Bid)
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    37 árajánlat
    Customise PHP 5 nap left

    We have an existing system that requires custom backend work - PHP, Laravel, MySQL, Dreamhost. Account management (Login security) User profile review (Feedback/comment) API integration Would need help with deploying these into the current deployment as well.

    €11 / hr (Avg Bid)
    €11 / hr licitátlag
    91 árajánlat
    ChatGPT API Integration 5 nap left

    I need help with a potential ChatGPT Integration

    €104 (Avg Bid)
    €104 licitátlag
    36 árajánlat
    payment services platform. 4 nap left

    I would like to hire a team that can help me build a payment services platform. The platform will involved connecting into an issuer processor on the card scheme side and the core banking ledger on the customer side. Phase 1 - will include plugging into the processors API and creating our own API to plug into the platform.

    €1757 (Avg Bid)
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    43 árajánlat
    webflow Developer 4 nap left

    IMPORTANT if you dont have experience with Webflow d'ont bid . thank you Hi, I'm looking for an expert Webflow developer to build a full website for me. The project's complexity would be low. Webflow is the main technology that will be used for this project. If you're an experienced Webflow developer and have the skills to create a professional website then please submit your proposal! I'm looking forward to hearing from you!

    €92 (Avg Bid)
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    26 árajánlat

    The project aim to build a tool for daily monitoring for water quality data captures from satellite ..

    €12 / hr (Avg Bid)
    €12 / hr licitátlag
    21 árajánlat
    €275 licitátlag
    10 árajánlat
    Office 365 App 3 nap left

    I am looking to create an app that would enable my clients to authorize my web app to have access to their office 365 account - specifically Outlook and OneDrive Initial task is consulting about the process Second tasks is help with code

    €14 / hr (Avg Bid)
    €14 / hr licitátlag
    12 árajánlat
    Content anlysis 3 nap left

    I'm looking for an expert to design online content analysis for pdf documents. The expert should have knowledge in web design, cloud computing, online processing. No detailed report is necessary. This project is needed to be completed once only.

    €410 (Avg Bid)
    €410 licitátlag
    31 árajánlat

    Hi, I searching for a crew3 bot. I've found a bot on GitHub that do 50% of what I need but the bot doesn’t work anymore. Please take a look on the crew3_bot.pdf. You will see what i need. I have also attached the source script in a .zip. Thank you

    €231 - €692
    €231 - €692
    13 árajánlat
    Install Shopify PHP SDK 2 nap left

    I need install in my webserver without composer

    €22 (Avg Bid)
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    12 árajánlat

    I need to implement a Virtual assistant (AKA conversational AI), using NVIDIA Omniverse Avatar Platform? ChatGPT + Unreal engine? The key is to use a Real Time Avatar, for a more realistic effect. The computation should be done ideally on cloud, to keep hardware cost low. Since we start from zero, the timeline for the project is long.

    €804 (Avg Bid)
    €804 licitátlag
    32 árajánlat

    *Laravel Application *Gameslist and live odds Api integration * Only bid if you have worked on btting website

    €50 (Avg Bid)
    €50 licitátlag
    7 árajánlat

    I need help with a project that requires a Pronto Xi POS Developer to help with creating new functionality for a finance module. The technology I am currently using is Java, so the developer needs to possess a good understanding of this language. This position is perfect for a remote candidate, as I can leave the Project Manager on site and require the Developer to work remotely. The responsibility is to design and develop new functionality, based on customer requirements and systems design documents. The Developer will then report back to the Project Manager on their progress, seeking assistance and guidance when necessary. This developer must have previous experience working on Pronto Core Modules. anyone without previous Pronto Experience will not be awarded the project.

    €46 / hr (Avg Bid)
    €46 / hr licitátlag
    12 árajánlat

    Desenvolvedor com conhecimentos em NodeJS e Typescript, para integração da nossa plataforma com as api de cada uma destas plataformas e pagamento feito por integração feita e com valores para cada uma Amazon (valor por esta integração entregue R$800,00) Ali express BR (valor por esta integração entregue R$800,00) Netshoes (valor por esta integração entregue R$600,00) Magazine luiza (valor por esta integração entregue R$600,00) B2W (valor por esta integração entregue R$600,00) Via Varejo (valor por esta integração entregue R$800,00) shopify (valor por esta integração entregue R$800,00) Nuvem shop (valor por esta integração entregue R$800,00) loja inte...

    €777 (Avg Bid)
    €777 licitátlag
    7 árajánlat

    I need a WordPress plugin Developer.

    €39 (Avg Bid)
    €39 licitátlag
    19 árajánlat

    Se requiere desarrollar un módulo Desarrollar un módulo para MercadoLibre para el monitoreo y gestión de las devoluciones y reclamos generados en MercadoLibre a través de consultas en la API de MercadoLibre. El código desarrollado (backend) lo integraremos a una herramienta (frontend) que ya tenemos. A) Devoluciones Requerimos tener un apartado (pestaña) para poder monitorear y dar seguimiento a los productos que estarán siendo devueltos. En donde nos muestre: - Número de venta. - Usuario (comprador). - SKU del producto. - Titulo de Producto. - Estado de la devolución. - Fecha de la devolución. - Motivo de la devolución. De esta manera podemos monitorear y estaremos al tanto de la devolución. B) Re...

    €175 (Avg Bid)
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    17 árajánlat
    Sports API Intergration 1 nap left

    I have the front end,I need my API Intergrated and I need to see previous work of the individual for this job...b/c all I've been getting is promises. I need this done asap. The site should look like It should have all the functions and there are 22 sports Thank you

    €2115 (Avg Bid)
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    69 árajánlat

    I want customer to book his flight ticket thru WhatsApp. The way we do it is we link in WhatsApp API with airlines APIs. Some users go on airline booking website to book any flight in the world. But I want to make the booking thru WhatsApp by linking the airlines api with WhatsApp. I will give the developer all APIs for ticketing for the airlines. So any customer can make the booking on WhatsApp by entering his name, date of departure, city of departure, city of arrival , etc. Then he will receive on his WhatsApp all flights available.

    €1357 (Avg Bid)
    €1357 licitátlag
    26 árajánlat

    I need a website to keep a track of live Indian Stock market price. 1. Get the top gainers and top losers in futures segment 2. Get the top gainers and top losers in equity segment 3. Get the current futures price of a stock 4. Get the current equity price of a stock Either paid or free API can be used.

    €274 (Avg Bid)
    €274 licitátlag
    8 árajánlat
    Need Betfair Api 1 nap left

    Need Betfair Api for live sports data, match list and odds

    €12 (Avg Bid)
    €12 licitátlag
    5 árajánlat
    CLOVER POS EXPERT 1 nap left

    Need someone to help me with integration bringing in orders from CLOVER from online ordering

    €98 (Avg Bid)
    €98 licitátlag
    13 árajánlat
    API Integration 16 óra left

    I am looking for a Freelancer to help me with an API integration project. Specifically, I need help with data integration. The integration will involve a third-party API, however I do not have access to all the necessary API keys. I need assistance in obtaining these keys and integrating the data into my system. Any experience in this area would be helpful. This project is extremely time-sensitive, so speed and efficiency are absolutely essential. Iam creating same platform as so need someone expert to handle the task.

    €89 (Avg Bid)
    €89 licitátlag
    10 árajánlat

    Hello, I am seeking a skilled Blackhawk network developer to create an application for me. The application needs to be developed for the web platform, but there may be future opportunities for iOS and Android versions. I am open to negotiate on the timeline for this project, and features such as payment integration, security verification, and data analysis can be determined at a later date. The ideal candidate should have extensive experience with Blackhawk network platforms and be comfortable working in a fast-paced development environment. If you think you have the skills necessary to accomplish this project, please apply and we can discuss further further details.

    €13 / hr (Avg Bid)
    €13 / hr licitátlag
    9 árajánlat
    Need a laravel developer 9 óra left

    Need a laravel developer who has experience in php, laravel, API.

    €18 (Avg Bid)
    €18 licitátlag
    25 árajánlat
    Explicit Filtering Phase -- 2 Véget ért left

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

    €433 (Avg Bid)
    €433 licitátlag
    29 árajánlat

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