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Fiverr Pro
English
$
USD
I will fix API integration, webhook and cors errors
AkshatG
About this gig
Are you struggling with API integration issues webhook failures CORS errors or backend bugs
I can help you quickly identify and fix problems in your APIs and backend systems to ensure smooth communication between your applications and services
Services I provide
API integration troubleshooting
REST API debugging
Webhook setup and fixes
CORS error resolution
Backend error fixing
Authentication and JWT issues
Request and response debugging
Third party API integration
Express js and Node js backend fixes
Flask API troubleshooting
Database connectivity issues
Technologies I work with
Node js
Express js
Flask
JavaScript
Python
MongoDB
REST APIs
Webhooks
JWT Authentication
Postman
Why choose me
Fast communication
Clean and efficient solutions
Detailed debugging process
Production issue troubleshooting
Experience with real world API integrations
Whether your API is returning errors your webhook is not triggering or your frontend cannot communicate with your backend due to CORS issues I can help resolve it
Please contact me before placing an order for large or complex projects
Get to know AkshatG
AkshatG
Developing projects in areas like Blockchain, AI, Machine Learning, DevOps
- FromIndia
- Member sinceMar 2026
- Avg. response time1 hour
- Last delivery1 month
Languages
English
Full-stack developer specializing in Web Development, DevOps & Blockchain, delivering scalable applications, automated workflows, and secure smart contract solutions.
My Portfolio
FAQ
What type of API issues can you fix?
I can fix API integration errors, authentication issues, CORS problems, request failures, response handling issues, and backend connectivity problems.
Can you fix webhook issues?
Yes. I can troubleshoot webhook setup, delivery failures, payload issues, signature verification problems, and event handling errors.
Do you work with third-party APIs?
Yes. I can help integrate and troubleshoot third-party APIs such as payment gateways, authentication providers, CRM systems, and other external services.
Can you fix CORS errors?
Yes. I can identify the root cause of CORS issues and configure the backend correctly to allow secure communication between applications.
Do you support Node.js and Express.js?
Yes. I work with Node.js, Express.js, JavaScript, Python, and Flask applications.
Can you troubleshoot production issues?
Yes. If you provide server access, logs, or deployment details, I can investigate and fix production issues.
What information do you need to start?
Please provide: Source code or GitHub repository Error messages or screenshots API documentation (if available) Expected behavior Deployment URL (if available) Whatsapp Number (for verification purposes)
Do you provide API documentation?
Yes. API documentation can be provided as an additional service.
Can you fix authentication issues?
Yes. I can troubleshoot JWT authentication, token validation, API authorization, and protected route issues.
Can you work on urgent issues?
Yes. Please contact me before ordering if you need priority support or faster delivery.
