API Development and Integrations

A trusted Flutter application development company having solid the expertise in Flutter & providing services to the enterprise and individual businesses.

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    Our API integration expertise overview

    Hire an API integration developer that gives robust API development and third-party API integration services using REST, XML, SOAP and the RPC API protocols that extend your current app’s functionality with the new and existing third-party devices and systems.

    Custom API integrations

    We can create a custom API that enhances your recent off-the-shelf solution or will implement a third-party API, which provides the solution for the software to interface with other apps, devices and business systems seamlessly.

    Implementation of custom APIs

    We will integrate the internal and external API development solutions that will actively solve the problems related to communications, creation and management of the content, data sharing, microservices and business logic.

    API development platforms

    Our PC, mobile, and cloud app API development service will incorporate the building of service-oriented architectures, web sockets, operating systems, and many more.

    Third-party API integrations

    We can tackle the well-known Microsoft platforms, that includes Azure, Dell Boomi, Anypoint and many more. Besides that, by adding superior web functionality and integrating the disparate business system with existing apps.

    Maintenance and support

    We deliver API maintenance services to ensure that everything runs flexibly and securely by developing the API architecture encryptions for security, dashboard controls, single sign-on capabilities, and much more.

    Cloud API development

    Flutter Agency gives API compliance for secure cloud API development. PaaS, SaaS, and IaaS allow Flutter developers to give seamless user access on all mobile devices and platforms.

    Payment gateway APIs

    We have integrated the leading payment gateway APIs, like PayPal, Phone Pe, Authorize.Net and PayU, with your existing e-commerce websites, apps and social networks that permit you to process payments efficiently and quickly within seconds.

    Shipping carriers APIs

    We will give seamless API integrations with industry-leading shipping carrier APIs for your firms that need the custom shipping API services such as DHL, FedEx, USPS and many others.

    Our portfolio



    Developed by our expert team, HipSmile is a mobile application for the transaction of goods and services. People can give and receive goods related to health, education, material goods and much more.


    Medication Management By UME

    The medication management app developed by Flutter Agency is an application built for healthcare professionals such as nurses & caretakers as well as patients and their family members. It provides different functionalities in a single application.



    Application developed for a Swiss client who wanted to create a community that loves to share meals, recipes and be part of the fight against food waste.

    Why choose our company?

    • Qualified and certified human resources
    • Consistent delivery
    • Progressive roadmap
    • 10+ years of experience
    • 50+ experienced development team
    • Cost-effective solutions
    • Respect time-to-market demands
    • Flexible engagement model
    • 1000+ projects delivered worldwide
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    Projects Delivered

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    Client Retention

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    Happy Clients

    Frequently asked questions

    These are a few questions that our clients frequently ask.

    1. What work do API integration developers do?

    API integration is a connection between two or more apps through an API that helps systems share data. API integration enables powerful practices in high-performing businesses that keep data in sync, increase productivity, and increase revenue.

    2. How many types of APIs are there?

    There are four web APIs: open APIs, partner APIs, internal APIs, and composite APIs.

    3. Why is API integration necessary?

    An API implementation platform makes it easy and fast to develop new APIs. It provides an interface that enables all of the various APIs that supply the data required by your business application. Easily scale your business operations without increasing costs.

    4. What are custom APIs?

    Custom APIs will benefit your business by integrating a third-party program’s API into your application or by building a custom API or web service that can be used by other applications to exchange binary data with yours.

    5. What is REST API? and what do they help with?

    An application program interface (API) that uses HTTP requests to GET, PUT, POST, and DELETE data is known as a RESTful API. Since REST technologies require less bandwidth and are therefore more suited for online use, they are frequently preferred to the more robust simple object access protocol (SOAP) technologies.

    6. What is API? and why does your web/app needs it?

    A programmer uses APIs (Application Programming Interfaces), which are a collection of unique protocols, particular standards, and tools, to integrate various applications.

    APIs allow access to a different platform or app. Applications can communicate with one another thanks to APIs. The use of API not only makes programming simpler but also improves user experience, which boosts the popularity of your application and makes it easier for users to control various applications.

    Looking to discuss your project?

    We would be delighted to help