API Develop & 3rd‑Party Integrations

At Mernsoft, we provide API Development and 3rd‑Party Integration Services to help your systems work better together. Whether you want to connect your website to a payment gateway, shipping provider, CRM, or any other platform, we make it easy, secure, and seamless.

APIs (Application Programming Interfaces) let your software “talk” to other tools and services. We build custom APIs or connect to existing ones so that your systems can share data, automate tasks, and reduce manual work. This helps your business save time, avoid errors, and run more smoothly.

From Stripe, PayPal, and bKash to tools like Salesforce, Mailchimp, WhatsApp, and more, we set up everything properly, with secure authentication, error handling, and a smooth user experience.

We know not every business needs everything at once, so we keep things modular and budget-friendly. You get only the integrations you need, and we make it easy to add more as you grow. Whether you're building something new or upgrading an existing system, we’ll help you connect the dots, reliably and within your budget.

Services Core Features

  • Design & Scalability

  • Secure, Authenticate

  • Error Handling

  • Throttling & Caching

  • Docs & Versioning

  • API Lifecycle Manage

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