You will get API Integration into your website or app seamlessly
Project details
Need an expert to connect your app with third-party services or APIs? I’ll handle API integration from start to finish — including setup, data handling, error management, and documentation.
Whether it’s a payment gateway, social media API, weather service, or a private business API, I’ll integrate it securely and efficiently. You’ll get clean, well-structured code with robust error handling and optimised API calls.
I can work across frontend and backend using React, Next.js, Node.js, or Express.js, ensuring smooth communication between your app and the external service.
This gig is perfect if you want to fetch data, automate processes, or connect multiple platforms without breaking your app’s performance.
Let’s integrate your APIs the right way — fast, secure, and production-ready.
Whether it’s a payment gateway, social media API, weather service, or a private business API, I’ll integrate it securely and efficiently. You’ll get clean, well-structured code with robust error handling and optimised API calls.
I can work across frontend and backend using React, Next.js, Node.js, or Express.js, ensuring smooth communication between your app and the external service.
This gig is perfect if you want to fetch data, automate processes, or connect multiple platforms without breaking your app’s performance.
Let’s integrate your APIs the right way — fast, secure, and production-ready.
Programming Languages
PHP, JavaScript, PythonCoding Expertise
Performance Optimization, Security, DesignWhat's included $100
These options are included with the project scope.
$100
- Delivery Time 5 days
- Number of Revisions 3
- Source Code
Optional add-ons
You can add these on the next page.
Fast 3 Days Delivery
+$20
Additional Revision
+$10
Additional API Endpoint
(+ 1 Day)
+$20
Extra Authentication Feature
(+ 2 Days)
+$30
Database Integration
(+ 2 Days)
+$25Frequently asked questions
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LL
Lokesh L.
Feb 18, 2026
Full-Stack Developer for Print-on-Demand Web Portal
He is good at what he does it's just not what I was expecting the outcome. Has good technical skills currently not for full stack so has to end the contract and stop the project.
About Shashwat
Full-Stack Developer | AI Solutions, SEO, Digital Marketing & Business
Bengaluru, India - 10:50 pm local time
### What I Do Best
⚙️ **Backend Development:** Node.js, Express.js, Python Flask, REST APIs, Authentication Systems
💻 **Frontend Development:** React.js, Next.js, Flutter, Responsive UI/UX Development
🧠 **AI & Automation:** Python, TensorFlow, OpenAI API, AI Chatbots, Business Process Automation, AI Integrations
🗄️ **Databases:** MongoDB, MySQL, Firebase
🛒 **CMS & E-commerce:** WordPress, WooCommerce, Custom E-commerce Platforms
🔗 **APIs & Integrations:** Payment Gateways, Third-Party Services, CRM Integrations, Cloud Services
☁️ **Deployment & Cloud:** AWS, Vercel, Firebase, CI/CD Workflows
📈 **SEO & AI SEO:** Technical SEO, On-Page SEO, Local SEO, Website Audits, Search Performance Optimisation, AI Search Optimisation
📣 **Digital Marketing:** Facebook & Instagram Marketing, Google Ads, Lead Generation, Conversion Optimisation, Marketing Automation
🎯 **Business Growth Solutions:** Funnel Development, Landing Pages, Analytics, Customer Acquisition Strategies
I have built everything from scalable SaaS dashboards and e-commerce platforms to mobile finance applications, AI-powered assistants, and business automation systems. My focus is always on performance, security, scalability, user experience, and measurable business growth.
Whether you need a custom application, AI integration, SEO optimisation, digital marketing strategy, or a complete online business solution, I can help turn your idea into a high-performing, production-ready product.
Let's build something that not only works—but grows your business.
Steps for completing your project
After purchasing the project, send requirements so Shashwat can start the project.
Delivery time starts when Shashwat receives requirements from you.
Shashwat works on your project following the steps below.
Revisions may occur after the delivery date.
Understand Your Use Case and API Requirements
We’ll discuss what data you need, how the API should be used, and what the desired outcome is (display data, trigger actions, etc.).
Review API Documentation and Authentication
I’ll study the API docs, set up access keys, tokens, and make sure authentication is handled securely.