I will integrate third party apis in react next js node js app crm


About this gig
Looking for a professional developer to integrate third-party APIs into your web application?
Youre in the right place.
I am a MERN Stack developer specializing in secure and scalable API integrations using Node.js, Express.js, React.js, Next.js, and MongoDB.
I can help you build custom backend solutions, connect external services, automate workflows, and integrate APIs smoothly into your application.
Services I Offer
Third-Party API Integration
- REST API Integration
- External Service Integration
- JSON/XML APIs
- API Authentication
CRM Integrations
- Zoho CRM API
- HubSpot API
- Salesforce API
- CRM Automation
OAuth & Authentication
- OAuth 2.0
- Google Login
- GitHub Login
- JWT Authentication
- Access & Refresh Tokens
Webhooks & Automation
- Webhook Setup
- Event-Based Automation
- Real-Time Data Sync
- Background API Processing
Get to know Rizwan
Professional MERN Stack Full Stack Developer React js, next js , node
- FromPakistan
- Member sinceMay 2023
- Last delivery2 years
Languages
Urdu, English, Hindi
My Portfolio
Other Software Development Services I Offer
FAQ
Which APIs can you integrate?
I can integrate a wide range of third-party APIs including: Zoho CRM API HubSpot API Stripe PayPal OpenAI / ChatGPT API WhatsApp Cloud API Twilio API Google APIs Shopify APIs Custom REST APIs
Do you work with MERN Stack applications?
Yes. I specialize in: MongoDB Express.js React.js Node.js Next.js I can integrate APIs into both frontend and backend systems.
Can you fix API integration bugs or errors?
Yes. I can debug and fix: Authentication issues OAuth problems Webhook failures API response errors CORS issues Backend bugs Token refresh issues

