Top 16 API Development Companies in India (2026)

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APIs sit behind almost every modern digital product. They connect applications, automate workflows, power mobile experiences, and make it possible for different systems to work together without friction. As businesses continue investing in cloud platforms, AI solutions, and connected services, choosing the right API development partner has become an important technical and business decision.

India has established itself as one of the world's strongest software development hubs, offering everything from boutique engineering teams to global technology firms with deep expertise in API architecture, integrations, security, and long-term product development. The companies in this list bring different strengths to the table. Some specialize in enterprise integrations, others focus on startup products, while many have extensive experience building scalable REST, GraphQL, and microservices-based APIs for businesses across industries.

This guide highlights companies worth considering if you're looking for an experienced API development partner in India, along with the capabilities that make each one stand out.

1. Gilzor

At Gilzor, we build custom software with a strong focus on web platforms, mobile applications, and the backend systems that connect them. API development is a natural part of this work, whether we are creating a new product from the ground up or extending an existing one with third-party integrations and new functionality. Our team works with startups, product companies, and growing businesses on projects where reliable communication between applications is essential. Although we work with companies across different markets, our API development services are also relevant for businesses in India looking to connect applications, integrate third-party services, and build scalable digital products.

We approach API development as part of the overall product architecture rather than as a standalone task. We define requirements, plan integrations, develop secure backend services, and support products after launch as they evolve. Alongside API implementation, we also work on business analysis, UI/UX design, quality assurance, and ongoing maintenance, helping keep web and mobile applications connected and easy to extend over time.

Key Highlights:

  • Custom API development for web and mobile applications
  • Experience with REST APIs and backend architecture
  • Integration of third-party platforms and external services
  • API support for startup products and business applications
  • Backend development with modern frameworks and cloud technologies
  • Product development from planning through post-launch support

Services:

  • API development
  • API integration with third-party services
  • Backend development
  • Web application development
  • Mobile application development
  • Business analysis
  • Quality assurance and API testing
  • Support and maintenance

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2. Invoidea

Invoidea develops APIs that help businesses connect applications, automate data exchange, and integrate external platforms into existing software. Their work covers both custom API development and third-party integrations, with attention to security, documentation, and compatibility across different systems. API projects are part of broader software solutions for industries such as healthcare, finance, logistics, education, and eCommerce.

Beyond development, the company includes planning, performance evaluation, and ongoing improvements as part of the process. They work with authentication methods, API gateways, traffic management, and infrastructure monitoring to keep integrations stable as products grow. Alongside API engineering, they build web and mobile applications that rely on reliable communication between backend services.

Key Highlights:

  • Custom API development
  • Third-party API integration
  • REST API implementation
  • API security and authentication
  • API documentation
  • API performance monitoring
  • API gateway configuration

Services:

  • Custom API development
  • API integration
  • REST API development
  • Web application development
  • Mobile application development
  • Cloud consulting
  • DevOps services
  • API maintenance

Contact Information:

  • Website: invoidea.com
  • Email: sales@invoidea.com
  • Facebook: www.facebook.com/InvoIdea
  • Twitter: x.com/InvoideaTech
  • LinkedIn: www.linkedin.com/company/invoidea
  • Instagram: www.instagram.com/invoidea
  • Address: C-127, C Block, Sector 63, Noida, Uttar Pradesh, 201301
  • Phone: +91 7292 050505

3. Aalpha

Aalpha focuses on API development as part of custom software and application engineering. Their projects include REST, GraphQL, cloud-native, and microservices APIs designed to connect web applications, mobile apps, enterprise software, and external platforms. API architecture, security, and long-term compatibility are built into the development process from the beginning.

Different integration needs often require different approaches, so the company works with both modern cloud environments and existing business systems. Their scope includes API testing, documentation, deployment, maintenance, and integrations with CRM, ERP, payment services, and other third-party platforms. This makes API development part of a wider software ecosystem instead of a separate technical task.

Key Highlights:

  • Custom API architecture
  • REST and GraphQL API development
  • Cloud API solutions
  • Legacy system integration
  • API security and compliance
  • Automated API testing
  • API documentation

Services:

  • Custom API development
  • Third-party API integration
  • GraphQL API development
  • REST API development
  • Cloud API development
  • API testing
  • API maintenance and support
  • API consulting

Contact Information:

  • Website: www.aalpha.net
  • Email: contact@aalpha.net
  • Facebook: www.facebook.com/aalphaindia
  • Twitter: x.com/aalphaindia
  • LinkedIn: www.linkedin.com/company/aalphaindia
  • Address: No. 197, 2nd Floor, 5th Main, 6th Cross Gandhinagar, Bangalore-560009, Karnataka, India
  • Phone: +91-836-4262222

4. ValueCoders

ValueCoders develops APIs for businesses that need stable communication between products, cloud services, enterprise platforms, and SaaS applications. Their approach includes planning, development, testing, version management, and long-term support, with an emphasis on keeping integrations reliable throughout the software lifecycle.

API engineering is combined with broader software delivery, covering everything from architecture decisions to deployment and monitoring. The company works with REST APIs, GraphQL, WebSocket solutions, automated testing, and security practices while helping organizations connect internal systems with external services through structured API integrations.

Key Highlights:

  • Custom API engineering
  • REST, GraphQL, and WebSocket APIs
  • API lifecycle management
  • Third-party system integration
  • Automated API testing
  • API version control
  • API security testing

Services:

  • Custom API development
  • API consulting
  • Third-party API integration
  • API testing
  • API security testing
  • API management
  • Backend development
  • API support and maintenance

Contact Information:

  • Website: www.valuecoders.com
  • Email: sales@valuecoders.com
  • Facebook: www.facebook.com/ValueCoders
  • Twitter: x.com/ValueCoders
  • LinkedIn: www.linkedin.com/company/valuecoders
  • Instagram: www.instagram.com/valuecodersofficial_
  • Address: 11th Floor, Max Square, Noida-Greater Noida Expy, Sector 129
  • Phone: +91 888 210 8080

5. Krify

Krify develops web APIs that support communication between web applications, mobile apps, desktop software, and other connected systems. API development is part of their broader software engineering services, where integrations help different platforms exchange information through standardized interfaces. Their experience covers projects that combine APIs with web and mobile application development across different industries.

The company includes API design alongside frontend, backend, and full stack development, making integrations part of the overall product structure. Depending on the project, APIs are used to support business logic, improve data consistency, simplify communication between applications, and extend software with additional functionality as products evolve.

Key Highlights:

  • Web API development
  • REST API implementation
  • Custom API design
  • Backend integration
  • Multi-platform connectivity
  • API support for web and mobile apps
  • Business system integration

Services:

  • Web API development
  • Custom API development
  • API integration
  • Full stack development
  • Website development
  • Mobile application development
  • AI development
  • UI/UX design

Contact Information:

  • Website: krify.co
  • Email: info@krify.co
  • Facebook: www.facebook.com/krify
  • Twitter: x.com/krifysoftware
  • LinkedIn: www.linkedin.com/company/krify
  • Instagram: www.instagram.com/krifysoftware
  • Address: Flat No.303, Sanjana Sovereign Apt, 90/98, 8th Main, 2nd Cross, Jayanagar 2nd Block, Bengaluru 560011 
  • Phone: (91) 9121227121

6. Technoarch Softwares

Technoarch Softwares builds APIs that help applications exchange data, connect cloud services, and support day-to-day business operations. API development is part of their custom software projects, where backend communication, integrations, and reusable services play an important role. Their experience covers REST APIs as well as solutions built with Python, Django, React, and other modern technologies for different business domains.

Each project combines API engineering with web application development, making it easier to connect new features without changing the entire system. The company also works on platforms for healthcare, education, fintech, marketplaces, and enterprise software, where stable APIs support data flow between users, applications, and external services.

Key Highlights:

  • Custom API development
  • REST API implementation
  • Cloud-based integrations
  • Backend architecture
  • API support for business platforms
  • Python and Django expertise
  • Cross-system connectivity

Services:

  • Custom API development
  • REST API development
  • Web application development
  • Python development
  • Django development
  • React development
  • Backend development
  • API maintenance

Contact Information:

  • Website: www.technoarchsoftwares.com
  • Email: sales@technoarchsoftwares.com
  • Facebook: www.facebook.com/technoarchsoftwares
  • Twitter: x.com/technoarch_soft
  • LinkedIn: www.linkedin.com/company/technoarch-softwares
  • Address: B-25, Sector-2, Noida, 201301, India
  • Phone: +91 8527160671

7. Brihaspati Infotech

Brihaspati Infotech develops API integration solutions that connect websites, mobile applications, business software, and external platforms into a single workflow. Their projects often involve building custom APIs alongside software products, making communication between different systems more consistent and easier to manage. The company works with businesses that need reliable integrations without adding unnecessary complexity to existing applications.

Every integration is planned around the product it supports, whether that involves payment services, marketplaces, cloud platforms, or internal business tools. API development fits into a wider software process that includes backend engineering, testing, and long-term support, allowing applications to exchange data smoothly as requirements change over time.

Key Highlights:

  • Custom API integration
  • Third-party platform connectivity
  • Backend API engineering
  • Payment service integration
  • Business system integration
  • API testing
  • Ongoing API support

Services:

  • API development
  • Third-party API integration
  • Backend development
  • Web application development
  • eCommerce development
  • Mobile application development
  • Quality assurance
  • Support and maintenance

Contact Information:

  • Website: www.brihaspatitech.com
  • Email: info@brihaspatitech.com
  • Facebook: www.facebook.com/tbi.infotech
  • Twitter: x.com/TBIInfotech
  • LinkedIn: www.linkedin.com/company/the-brihaspati-infotech
  • Phone: +91-814-605-2020

8. Nspire Technologies

Nspire Technologies develops web APIs that allow applications to exchange information through secure HTTP-based communication. Their API projects are designed for software that needs reliable connections between web platforms, business applications, and external services. The company also works on ERP systems, enterprise software, and digital business solutions where APIs simplify data sharing across multiple environments.

API development is combined with web application engineering, payment gateway integration, hosting services, and business software implementation. This makes it possible to build systems where different applications communicate through a structured interface without interrupting existing workflows.

Key Highlights:

  • Web API development
  • REST web services
  • API integration
  • Enterprise software connectivity
  • Payment gateway integration
  • Secure API design
  • Multi-system communication

Services:

  • Web API development
  • API integration
  • Web application development
  • Payment gateway integration
  • ERP software development
  • eCommerce development
  • IT consulting
  • Web hosting solutions

Contact Information:

  • Website: nspiretech.com
  • Email: info@nspiretech.com
  • Facebook: www.facebook.com/nspiretecnologies
  • Twitter: x.com/nspiretech
  • LinkedIn: www.linkedin.com/in/ratnadeep-kamble
  • Instagram: www.instagram.com/nspiretechnologies
  • Address: 94/95, "Sanctity Apartment", Rajendra Nagar, MIDC Hingna Road, Nagpur 440 016, Maharashtra, India
  • Phone: +91 98231 90086

9. Believ-In Technologies

Believ-In Technologies develops custom APIs for businesses that need reliable communication between websites, applications, and third-party platforms. API development is closely connected with backend engineering, allowing different systems to exchange information through secure and scalable interfaces. Their work includes both building new APIs and integrating existing services into software products.

Different projects call for different types of integrations, so the company works with payment gateways, shipping providers, communication platforms, and social media APIs alongside custom business applications. API testing, deployment, and ongoing improvements are included as part of creating solutions that continue to work as products grow.

Key Highlights:

  • Custom API development
  • Third-party API integration
  • Web API engineering
  • API testing
  • Backend integration
  • Payment and communication APIs
  • Scalable API architecture

Services:

  • Custom API development
  • Third-party API integration
  • Web API development
  • Automated API testing
  • Backend development
  • Web application development
  • eCommerce development
  • API support and maintenance

Contact Information:

  • Website: believintech.com
  • Facebook: www.facebook.com/BelievInTech
  • LinkedIn: www.linkedin.com/company/believintech
  • Instagram: www.instagram.com/believ_in_tech
  • Address: ILD Trade Centre Sector 47, Gurgaon
  • Phone: +91-9643886273

10. Vision Infotech

Vision Infotech approaches API integration as a way to connect business systems and simplify how applications exchange information. Their projects cover custom API development, third-party integrations, payment gateway connections, and software that needs reliable communication between multiple platforms. API engineering fits into broader digital solutions where automation and connected workflows are part of the overall product.

Every integration begins with understanding how a business operates before moving into API design, development, testing, and deployment. Depending on the project, the team builds custom interfaces, connects existing services, or improves older systems by introducing secure and structured APIs that are easier to maintain over time.

Key Highlights:

  • Custom API development
  • Third-party API integration
  • Payment gateway integration
  • API consulting
  • API testing and validation
  • Business process automation
  • Ongoing API support

Services:

  • Custom API development
  • API integration
  • Third-party service integration
  • Payment gateway integration
  • API consulting
  • Web application development
  • API maintenance
  • Software development

Contact Information:

  • Website: visioninfotech.net
  • Email: sales@visioninfotech.net
  • Facebook: www.facebook.com/p/Vision-InfoTech-100064033542849
  • Twitter: x.com/vision395006
  • LinkedIn: www.linkedin.com/company/vision-infotech---india
  • Instagram: www.instagram.com/viztechsoftsolutions
  • Address: 3001, 3rd Floor, APMC, Krushi Bazaar, Begampura, Surat, Gujarat 395002, India
  • Phone: + 91 8401652525

11. Uisort

Uisort develops APIs that help businesses connect web applications, mobile apps, cloud platforms, and external services through a consistent interface. Their API projects cover both new development and integration with existing software, making it easier for different systems to exchange information without interrupting daily operations.

Some projects focus on lightweight REST APIs, while others involve cloud services, mobile applications, or microservice architecture. Alongside development, attention is given to API design, testing, documentation, and long-term usability so that integrations remain practical as products continue to evolve.

Key Highlights:

  • Custom API development
  • REST API implementation
  • API consulting
  • Cloud API solutions
  • Microservices architecture
  • API testing
  • Third-party integrations

Services:

  • Custom API development
  • API integration
  • REST API development
  • Cloud API development
  • Mobile API development
  • Web API development
  • API testing
  • API consulting

Contact Information:

  • Website: www.uisort.com
  • Email: sales@uisort.com
  • Facebook: www.facebook.com/uisorttech
  • Twitter: x.com/UisortT
  • LinkedIn: www.linkedin.com/company/uisort-technologies-pvt-ltd
  • Instagram: www.instagram.com/uisorttech
  • Address: 125 - C, Palakarai Main Road, Trichy - 620001, Tamil Nadu, India
  • Phone: +91 875-461-6455

12. Digitals Daddy

Digitals Daddy includes API integration as part of wider web and digital transformation projects. Their solutions connect websites, business applications, and external platforms, allowing data to move between services with fewer manual steps. API implementation supports eCommerce platforms, CMS solutions, and custom business software that depends on connected systems.

The company combines backend integrations with web development and application design, making APIs part of the product from the beginning instead of adding them later. This approach helps businesses expand existing software with payment services, external tools, and automated workflows while keeping the overall system consistent.

Key Highlights:

  • API integration
  • Business system connectivity
  • eCommerce integrations
  • Custom software integrations
  • Backend communication
  • Workflow automation
  • Digital transformation support

Services:

  • API integration
  • Web development
  • Mobile application development
  • CMS development
  • eCommerce development
  • Digital transformation
  • UI/UX design
  • Custom software development

Contact Information:

  • Website: www.digitalsdaddy.com
  • Email: support@digitalsdaddy.com
  • Address: BVM Marg, DLF Phase 2, Sector 25, Gurugram, India 
  • Phone: +91 9818286609

13. EngineerBabu

EngineerBabu builds APIs for products that need reliable communication between applications, backend services, and third-party platforms. Their API development process covers planning, architecture, implementation, testing, documentation, and version management, making integrations easier to support as software grows.

Different products require different integration strategies, so the team develops REST APIs, mobile APIs, and custom backend services based on each project's requirements. Version control, maintenance, and API documentation remain part of the development cycle to support future updates without disrupting existing functionality.

Key Highlights:

  • Custom API development
  • REST API development
  • Third-party API integration
  • API testing
  • API documentation
  • API version management
  • Mobile API development

Services:

  • Custom API development
  • REST API development
  • Third-party API integration
  • Mobile API development
  • API testing
  • API maintenance
  • Backend development
  • API documentation

Contact Information:

  • Website: engineerbabu.com
  • Email: mayank@engineerbabu.com
  • Facebook: www.facebook.com/engineerbabuofficial
  • LinkedIn: www.linkedin.com/company/engineerbabu
  • Instagram: www.instagram.com/engineerbabuinc
  • Address: Plot no 156, Scheme no 78, Vijay Nagar, Part II, Indore, (M.P.)
  • Phone: +91 822 500 7007

14. Gavista Tech

Gavista Tech develops REST APIs that connect web applications, cloud platforms, and business software through secure data exchange. Their API solutions are designed to support communication between different applications while keeping the structure clear, scalable, and easy to maintain. The company handles both custom API development and integrations with existing services, depending on the needs of each project.

Experience with payment systems, shipping providers, Google services, and other external platforms allows them to build APIs that fit into existing software without unnecessary complexity. Care is taken to create interfaces that are well documented, stable, and suitable for long-term use across different devices and applications.

Key Highlights:

  • REST API development
  • Custom API integration
  • Payment gateway integration
  • Shipping API integration
  • Google and third-party API integration
  • Secure API architecture
  • Well-documented APIs

Services:

  • REST API development
  • API integration
  • Web API development
  • Payment gateway integration
  • Shipping API integration
  • .NET integration
  • Third-party API integration
  • Custom software development

Contact Information:

  • Website: gavista.com
  • Email: sales@gavista.com
  • Facebook: www.facebook.com/gavistatech
  • Twitter: x.com/gavistatech
  • LinkedIn: www.linkedin.com/company/gavista-tech
  • Address: #3381, 2 Main, 13 Cross, KR Road, Shastry Nagar, Bangalore, Karnataka 560028
  • Phone: +91 9980901190

15. TechAhead

TechAhead develops APIs that connect enterprise systems, web platforms, mobile applications, and cloud services through secure and structured interfaces. Their projects cover the full API lifecycle, from planning and architecture to implementation, testing, deployment, and ongoing improvements. Different API styles, including REST, GraphQL, and SOAP, are selected according to the technical requirements of each product.

Security, performance, and interoperability remain central throughout development, especially for software that exchanges data across multiple business systems. Beyond custom APIs, the company integrates payment platforms, CRM tools, shipping services, and other third-party applications while maintaining version control, documentation, and monitoring as products continue to evolve.

Key Highlights:

  • Custom API development
  • API architecture design
  • REST, GraphQL, and SOAP APIs
  • Third-party API integration
  • API security and compliance
  • API testing
  • Enterprise system integration

Services:

  • API consulting
  • Custom API development
  • API integration
  • API architecture design
  • API testing
  • API security
  • Backend development
  • API maintenance

Contact Information:

  • Website: www.techaheadcorp.com
  • Email: sales@techaheadcorp.com
  • Facebook: www.facebook.com/techahead
  • Twitter: x.com/techahead
  • LinkedIn: www.linkedin.com/company/techahead
  • Instagram: www.instagram.com/techahead
  • Address: 6th Floor, Stellar 1423, Plot No. 3, Sector 142, Noida, Delhi-NCR 201304
  • Phone: +91 120 6039900

16. SunTec India

SunTec India develops APIs that help businesses connect applications, cloud platforms, and software systems through consistent and secure data exchange. Their API projects include custom development, third-party integrations, consulting, testing, and long-term management, making APIs part of a broader digital infrastructure instead of isolated components.

The company supports different integration scenarios, from payment gateways and CRM platforms to cloud services, social networks, and SaaS products. API lifecycle management, version control, monitoring, and performance improvements are included alongside development so that integrations remain reliable as business requirements change.

Key Highlights:

  • Custom API development
  • API consulting
  • Third-party API integration
  • API lifecycle management
  • API testing and automation
  • Microservices architecture
  • API monitoring and version control

Services:

  • Custom API development
  • API consulting
  • Third-party API integration
  • API testing
  • API management
  • Microservices development
  • Cloud API integration
  • API maintenance

Contact Information:

  • Website: www.suntecindia.com
  • Email: info@suntecindia.com
  • Facebook: www.facebook.com/SuntecIndia
  • Twitter: x.com/SuntecIndia
  • LinkedIn: www.linkedin.com/company/suntecindia
  • Instagram: www.instagram.com/suntec_india
  • Address: Floor 3, Vardhman Times Plaza Plot 13, DDA Community Centre Road 44, Pitampura New Delhi - 110 034
  • Phone: +91 11 4264 4425

Conclusion

Finding the right API development company depends on more than the list of services on its website. Some teams focus on building custom APIs from the ground up, while others have more experience with system integrations, cloud platforms, enterprise software, or mobile applications. The best fit usually comes down to your project's technical requirements, existing infrastructure, and how the API will be used over time.

The companies featured in this article take different approaches to API development, but they all work on connecting applications, improving data exchange, and helping software communicate more efficiently. Before making a decision, it is worth reviewing their technical expertise, development process, and the types of integrations they have handled in the past. Taking the time to compare these details can make it easier to choose a development partner whose experience matches the goals of your project.

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