Custom API Development & Integration Services

Enhance Your Business Process with API Development Solutions

Accelerate your application functionality with an API development company. Authorselvi’s experienced developers specialize in designing, implementing, integrating, and managing custom APIs that enhance user experience(UX) and simplify workflows.

Let’s hear what you are looking for, and we’ll help you find the best solution!

Your privacy is our priority. We do not share or sell your information.

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Our End-to-End API Development Services

Reinforce your business with our peerless, scalable and standalone API development services

We offers complete bespoke API development to API deployment solutions that seamlessly links your apps without any errors and interruptions. Outsource our expertise for faster, high security, and improve customer engagement.

Let’s Discuss Your Idea!

  • Cloud API Development Services

    With our experience & expertise, we design and implement robust APIs that run on the cloud. Our skilled developers perfectly integrate Infrastructure as a Service(IaaS), Software as a Service(SaaS), and Platform as a Service(PaaS) allowing users to access our solutions across a wide range of platforms & devices.

  • Mobile API Development Services

    Our talented developers use different tools to smoothly connect apps, making strong APIs that work on any device. Authorselvi’s developers build APIs with features like geolocation services, payment processing, data analytics, social integration, and the ability to schedule appointments etc.

  • Web API Development Services

    Authorselvi specializes in utilizing the HTTP/HTTPS communication protocol to create and maintain web APIs, enabling seamless communication between your web application and various devices and platforms. Our team of specialized developers offers services such as RESTful, JSON, XML, and SOAP APIs, enhancing your digital presence effectively.

  • API Management Services

    Our experienced developers utilize a variety of tools and methods to actively keep an eye on, test, and secure your APIs, which helps to improve the app performance.

  • Automated API Testing Services

    Our QA specialists use automated tools and methodology to assess the functionality, reliability, and performance of software systems. With automated testing, we execute the predefined scripts and codes that identify and rectify the issues and enhance the performance of your business apps.

  • API Maintenance and Support Services

    With over 13+ years of experience, We provide API Maintenance and Support Services to ensure the functionality, security, and reliability of APIs. Our dedicated team diligently monitors, troubleshoots, updates, and enhances APIs to ensure they consistently deliver and perform optimally.

    • One Stop Solution -Industries We Serve In API Integration

    Authorselvi is a one of the best API integration company in India. Most of our customers are returned with our 100% customer satisfaction. We have provided full API integration services to clients across a all major industries:

    Agriculture
    Agriculture
    Education
    Education & E-Learning
    Financial
    Banking & Finance
    Healthcare
    Healthcare
    Tourism
    Travel & Hospitality
    Real Estate
    Real Estate
    E-Commerce
    Retail & E-commerce
    logistics & transport
    Logistics & Transport
    automotive
    Automotive

    Authorselvi Offers Third⁠-⁠Party API Integration Services

    Our API integration developers create customized third-party APIs solutions for small, medium sized companies and entrepreneurs as per your business requirements. We use API protocols like  HTTP/HTTPS, JSON, REST, SOAP, and XML that integrate with your existing applications. With our APIaas services, we provide access to APIs on a cloud-based platform that enhances your applications and facilitates seamless data exchange.

    Payment Gateway APIs

    We seamlessly integrate payment gateways like PayPal, Stripe,PayU and Sagepay into websites, e-commerce platforms, social networks, and apps ensuring secure and efficient transactions.

    Accounting Software APIs

    As a top custom API integration service provider in India, we offer seamless API integration for accounting solutions including Quickbooks, Freshdesk, and others. Elevate your business process by building and adapting custom API.

    SaaS Application APIs

    Authorselvi’s API developer seamlessly connects various software-as-a-service (SaaS) applications with your application programming interfaces (APIs),that increase smooth data exchange and functionality across various platforms.

    Social Media API Integration​

    Maximize your website's potential and expand your audience reach through our social media API integration services. We integrate your social media platforms like YouTube, Facebook, Whatsapp, Twitter, and Instagram directly with your website.

    SMS APIs Integration​

    Incorporate cloud-based API services like Twilio, Plivo, and others to seamlessly integrate messaging and video call capabilities into your current software systems. This enhances customer engagement and the business's overall performance.

    Security APIs

    With security API, we provide robust protection for your applications and systems that provide data integrity, user authentication, and threat prevention measures are seamlessly integrated into your software infrastructure.

    Shipping APIs

    Improve customer satisfaction and boost your business revenue by securely integrating shipping and logistics APIs, like FedEx, UPS, Pickup, and more.​

    Chat System APIs

    We integrate chat applications functionality into your application that provide features like messaging, user authentication and notifications etc.

    Google APIs

    Our developers integrate Google APIs such as Google Maps, analytics, calendar, Google Checkout API and more into your existing or future website.

    Why Choose Us?

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    Honest & trustworthy

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    Increased productivity

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    Daily status update

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    Competitive pricing

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    Write clean code & follow standards

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    Non-disclosure agreement

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    Highly skilled & Experienced developers

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    100% satisfaction guarantee

    Customer success stories

    David
    One of the most advanced web companies
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    One of the most advanced web companies. Always Great results with a dedicated professional assigned to your project.Very friendly team.. Highly recommended...
    Billy Farr
    Trustworthy & Great as what he does
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    Raj is great, he always gets the job done and more. I've used him for over 8 years now and love his work. He's very trustworthy as well and happy to recommend him to anyone looking for great web work.
    Elizabeth
    Very professional and knowledgeable
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    We've worked with Raj and his team on several projects in the past year and they are true professionals. They have a high level of knowledge and will work with you until your goals are achieved...
    Bunky
    I contracted with Authorselvi to …
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    I contracted with Authorselvi to upgrade my blog site. I found them knowledgeable, responsive, and since I'm not exactly tech savvy, patient. I was happy with the end product.
    Bradley Africa
    Exceptional Service
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    My overall experience working with Authorsevi has been nothing short of exceptional. Not only did they promptly answer my initial query, but also, they set about their work on making modifications to my website in the most professional manner...
    Emma Hutchinson
    Great service and quick response
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    I am very happy with the service and work by Authorselvi. I contacted Rajesh with a few issues I was having, he promptly got back to me, and within a couple of days all the issues were fixed!..

    Schedule a quick call to discuss

    Your privacy is of the utmost importance to us. By submitting your information, we agree not to distribute or sell your information in any manner.

    Legacy App Modernization

    Overcome your digital transformation challenges by optimizing your outdated software. Transform your outdated applications into streamlined, efficient solutions by legacy app modernization services.

    Software Development

    Our software development services provide robust solutions crafted to enhance your business workflow and user experience. We offer software customization to full-cycle development services.

    Get Free API Consultation
    Our experienced technical strategists, designers in India will help you in identify, build and review your systems API services

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    Frequently Asked Question

    Yes, our experienced software professionals integrate APIs with popular third-party services, such as payment gateways, CRM systems, social media platforms, and more, that streamline your business processes and enhance functionality.

    The price for building a custom API includes various factors such as Requirements,  Development Timeframe, Complexity of Functionality, Integration features etc. To get a more accurate estimation, discuss your specific project requirements with our expertise.

    Yes, we will provide you the entire source code for your API project.

    • Enhanced integration between different software systems, allowing them to communicate and share data efficiently. 
    • increased user interactions without sacrificing performance.
    • Enhance efficiency, minimizes errors, and frees up resources for other tasks.
    • Improved data integration and analysis capabilities.
    • Generate more revenue through various models, such as subscription-based access, pay-per-use, or revenue-sharing arrangement.
    • Enhanced data security and compliance with regulations, such as GDPR and HIPAA.
    1.  

     

    • Gathering the API requirement
    • Planning the API development process
    • Developing and implementing the API functionality
    • Testing the API 
    • Finally, Monitoring the API