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API Integration Best Practices for Business Systems

API Integration Best Practices for Business Systems

APIs power modern business—connecting your website, CRM, payment gateways, and internal tools. Doing it right means consistent error handling, retries, and clear documentation.

Use authentication (OAuth, API keys) properly, validate inputs, and log failures for debugging. Version your APIs so changes don't break existing integrations. Consider rate limits and caching to protect both sides.

Webhooks and event-driven flows keep systems in sync without constant polling. Design for failure: timeouts, idempotency, and dead-letter queues prevent small outages from becoming data messes.

We design and implement integrations that are secure, maintainable, and built for the long run.

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Frequently Asked Questions

Answers to common questions about how we work at Danberg International.

We build custom web and mobile applications, Shopify / WordPress / Webflow sites, AI chatbots and automation tools, and provide end-to-end digital marketing including SEO, content, social media and performance ads.

We usually begin with a short discovery call to understand your business, goals and timelines. After that we share a proposal or roadmap with scope, rough timelines, and pricing, and once approved we move into design and implementation.

Yes. We are based in Kolkata (North 24 Parganas, West Bengal) and work with clients across India, the US and other regions. Communication usually happens via email, WhatsApp and video calls, and we are comfortable working across time zones.

For backend we often use Python (Flask / Django) and modern JavaScript frameworks on the frontend. For websites and e-commerce we work with Shopify, WordPress and Webflow, choosing the platform that best fits your use case.

Yes. Our team includes designers and developers, so we can handle UI/UX, branding and visual design along with the engineering work. If you already have designs, we can also work with your existing brand and design system.

We usually stay with clients after launch for maintenance, improvements and marketing. This can include performance monitoring, new features, SEO, content, social media and ad campaigns depending on what you need.