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Ottosoft

Custom software, web and mobile apps, and practical AI solutions for growing businesses. Based in Patna, working with clients across India.

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Home/Services/API Development

API Development & Integration

Connect your digital ecosystem. We build robust, secure, and scalable APIs that power seamless communication between your applications.

The Backbone of Modern Software

APIs are the bridges that allow different software systems to talk to each other. Whether you need to expose your data to partners, build a mobile app backend, or integrate internal systems, our API solutions ensure smooth and secure data flow.

Secure
Scalable
Documented

RESTful API Development

We build standard-compliant REST APIs that are easy to consume and integrate with any platform.

Third-Party Integration

Connect your applications with popular services like payment gateways, CRMs, and social media platforms.

GraphQL Development

Implement flexible and efficient data querying with GraphQL for complex applications.

API Documentation

Comprehensive and interactive documentation using tools like Swagger/OpenAPI for easy developer adoption.

How we work

A clear process from first call to launch

  1. Step 1

    Discover

    We understand your goals and agree on scope, timeline and cost in writing.

  2. Step 2

    Design

    You review and approve the plan and designs before development starts.

  3. Step 3

    Build & test

    Short milestones with regular demos, code reviews and testing.

  4. Step 4

    Launch & support

    Secure deployment, training and ongoing maintenance when you need it.

FAQ

Frequently asked questions

Can’t find what you’re looking for? Talk to us and we’ll answer directly.

Ask a question
What kind of APIs do you build?

We build REST and GraphQL APIs with authentication, rate limiting and versioning, documented with Swagger/OpenAPI so other developers can use them easily.

Can you integrate third-party services?

Yes. We regularly integrate payment gateways, SMS and WhatsApp APIs, GST and e-invoicing services, CRMs and accounting software.

How do you secure an API?

We use token-based authentication, role-based permissions, input validation, HTTPS everywhere and logging so misuse can be detected and traced.

Related services

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  • Web Development
  • Database Development
  • DevOps Consulting

Let’s build together

Have a project in mind? Get a free, no-obligation estimate.

Tell us what you want to build. We’ll reply with a clear scope, timeline and cost — in plain language, without the jargon.

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