You will get API intergated or a custom API
Top Rated
Project details
With 7+ years of experience in API integrations and have successfully integrated multiple platforms for Startups and MNCs. From CRM to payment gateway, from accounting to creating custom APIs, I have an experience of handling them all. I am well versed with XML, SOAP, Rest and JSON types of APIs.
1. I can do the API integration using PHP, Python, NodeJs, and handle the side-features like API Automation, response handling, error messages, etc
2. Integrate RESTful APIs like Salesforce, Hubspot, Xero, Stripe, Paypal, Bullhorn, Vincere, Zoho, VTiger, CoinPayment, Social Media - FB, Google, Linkedin, Twitter, Instagram
3. I can do Custom API development to connect to different platforms being used by your business. I have deep knowledge of creating custom APIs to integrate Desktop as well as Web-based applications with other servers like SQL, using APIs.
4. Integrate and fetch data from different platforms and also from Stock Market Platforms (NinjaTrader, etc.)
Salient Features of this Gig
✔ Work using GitRepo and Postman
✔ Details action items before starting the work
✔ Well-structured code with the high standard of testing
Please Dont Buy directly before reaching out.
1. I can do the API integration using PHP, Python, NodeJs, and handle the side-features like API Automation, response handling, error messages, etc
2. Integrate RESTful APIs like Salesforce, Hubspot, Xero, Stripe, Paypal, Bullhorn, Vincere, Zoho, VTiger, CoinPayment, Social Media - FB, Google, Linkedin, Twitter, Instagram
3. I can do Custom API development to connect to different platforms being used by your business. I have deep knowledge of creating custom APIs to integrate Desktop as well as Web-based applications with other servers like SQL, using APIs.
4. Integrate and fetch data from different platforms and also from Stock Market Platforms (NinjaTrader, etc.)
Salient Features of this Gig
✔ Work using GitRepo and Postman
✔ Details action items before starting the work
✔ Well-structured code with the high standard of testing
Please Dont Buy directly before reaching out.
Web Programming Project
Browser Extension, API Development, API IntegrationProgramming Languages
PHP, JavaScript, PythonCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$100
|
Standard
$300
|
Advanced
$600
|
|---|---|---|---|
| Delivery Time | 2 days | 7 days | 14 days |
Number of Revisions | 0 | 0 | 1 |
Source Code | - | - |
51 reviews
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LC
Lawrence C.
Apr 13, 2026
Web App Platform Migration & Growth Phase
I can’t speak highly enough of Manu, Prashant, and the entire team the quality of work they’ve delivered is genuinely unreal. From start to finish they were incredibly patient, professional, and easy to work with.
There were a few hiccups on my end throughout the project, and not once did I feel like that was a problem. The team took it in stride, helped me work through it, and kept everything moving forward without missing a beat. That kind of patience and support is rare and I truly appreciated it.
If you’re looking for a team that delivers exceptional quality AND treats you like a partner along the way. Extremely grateful for everything. Highly recommend! 🙌
There were a few hiccups on my end throughout the project, and not once did I feel like that was a problem. The team took it in stride, helped me work through it, and kept everything moving forward without missing a beat. That kind of patience and support is rare and I truly appreciated it.
If you’re looking for a team that delivers exceptional quality AND treats you like a partner along the way. Extremely grateful for everything. Highly recommend! 🙌
CB
Candido B.
Mar 11, 2026
Supabase Setup and African Payment Integration Specialist
DZ
Devs Z.
Jan 29, 2026
Front End Deve
DA
Danny A.
May 9, 2025
Figma Design of Website to handoff to my full stack developer
CR
Christine R.
May 3, 2025
60 minute consultation
Great communication, excellent knowledge and provided numerous options to resolve our Stripe problem.
About Manu
Full Stack Developer | Web & App Developer
96%
Job Success
Delhi, India - 1:35 pm local time
I help startups and growing businesses build scalable web and mobile applications that are fast, reliable, and ready for real users, not just demos.
I’m a Full Stack Developer with 14+ years of experience delivering production-ready products across web, mobile, and cloud. I don’t just write code, I design stable, high-performing applications that turn complex ideas into seamless digital experiences users actually enjoy using.
Whether you need a complete product built from scratch or improvements to an existing system, I focus on delivering solutions that create real business value and long-term scalability.
🚀 How I Can Help You
I work across the full development lifecycle, which means you do not need to manage multiple freelancers. I handle everything from initial planning and architecture to final deployment.
Here’s what I typically deliver:
✅Full-stack web applications using React, Node.js, Laravel, Vue, and Angular
✅ Cross-platform mobile apps using Flutter and React Native
✅Scalable cloud infrastructure on AWS, Google Cloud, and DigitalOcean
✅Secure backend APIs and robust database architecture
✅Payment integrations including Stripe, PayPal, and custom billing flows
✅Third-party integrations with CRM, ERP, and SaaS tools
✅AI-powered features like chatbots, assistants, and workflow automation
🧠 My Approach (Why Clients Work With Me)
Most developers focus on features. I focus on outcomes. I focus on:
✔ Thinking about scalability early, so you do not have to rebuild later
✔ Prioritizing performance and security from day one
✔ Building products for real users, not just technical completion
✔ Clear and consistent communication throughout the entire project
I treat every project like a long-term product, ensuring your tech stack supports your business goals.
🛠️ My Core Expertise
I’ve worked extensively with:
✅Frontend: React.js, Vue, Angular, HTML5, CSS3, JavaScript/TypeScript
✅Backend: Node.js, Express.js, Laravel, Symfony, Python
✅Mobile: Flutter, React Native (iOS & Android)
✅Cloud: AWS, Google Cloud, DigitalOcean, Cloudflare
✅Databases: MySQL, MongoDB, SQL Server, PostgreSQL
✅API integrations (Stripe, PayPal, Twilio, TextMagic, Xero, DocuSign, Google Maps, Meta APIs, and more)
✅API development (Laravel, Node/Express, Firebase, Python/Django, Go, REST, GraphQL)
✅Payments Integrations: Stripe, Stripe Connect, PayPal, Subscriptions
✅AI & Automation: GPT integrations, LangChain, RAG, n8n, Zapier, Make
💬 What Clients Say
⭐ “Exceptional delivery and attention to detail. He made complex requirements simple and usable.”
⭐ “Strong communication and deep expertise. Delivered exactly what we needed.”
⭐ “Reliable, skilled, and easy to work with. We’ll continue working with him.”
🤝 Let’s Work Together
If you’re looking for a developer who can take ownership, think long-term, and deliver scalable solutions, I’d be happy to help. Let’s start with a quick discussion to map out the best approach for your project
Full Stack Developer | MERN/MEAN/LAMP Stacks | Web App Development | Mobile App Development | API System Development | Custom Payment Integration | UI/UX Design | Cloud Infrastructure (AWS, Google Cloud) | Mobile App Development | Flutter Developer | React Native Developer | Cross-Platform Mobile App Development | Hybrid App Development | iOS & Android App Developer | Native App Development | Mobile App Developer | App Development for iOS & Android | Mobile Application Development | Play Store App Publishing | App Store Submission | E-commerce App Development | Health & Fitness App Development | Education App Development | IoT App Development | Maps & Navigation Apps | Video Streaming App Development | Chat & Messaging App Development | Productivity Apps | Social Media App Development | On-Demand Service App Development | Firebase Integration | Firestore Database | Firebase Realtime Database | API Integration | REST API Integration | GraphQL API Integration | Third-Party SDKs Integration | Google Maps API | Geolocation Services | Push Notifications (FCM, OneSignal) | Payment Gateway Integration | Chat System Integration | In-App Purchases | App Performance Optimization | Custom API Development | AI Integration | AI-powered Bots | Voice Bot | Custom GPT | AI Assistant | Chatbot Development | AI Solutions for Automation | Sales Automation | Appointment Scheduler | RAG (Retrieval-Augmented Generation) | LangChain Integration | Pinecone Integration | AI/ML Models | CustomBot | MVP Development | OpenAI Integration | AWS | Zoho CRM Integration | Zoho Creator | Full Stack Development | Node.js | Python | Java | Spring Boot | Database Management | Microservices | Cloud Services | Continuous Integration | Serverless Computing (AWS Lambda) | Docker & Kubernetes | DevOps Practices | n8n | Make | Zapier
Steps for completing your project
After purchasing the project, send requirements so Manu can start the project.
Delivery time starts when Manu receives requirements from you.
Manu works on your project following the steps below.
Revisions may occur after the delivery date.
Scoping and Evaluation
Mapping of Feilds - Discussion
Kick-Off Call
A kick off call before starting the actual development so that everyone is on the same page.