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Fiverr Pro
English
$
USD
I will integrate third party apis into your web application
Walid M
About this gig
Is your application struggling to connect with third-party services? APIs not responding correctly? Webhooks failing silently?
I specialize in building and fixing API integrations for backend applications using NET Core, C#, Java Spring Boot, and Node.js. I have delivered integrations with payment gateways, CRMs, ERPs, cloud services, and custom REST APIs across multiple industries.
What you get with every order:
- Working integration tested end to end
- Clean and documented source code
- Clear explanation of what was done
- Fast communication throughout the process
I have worked with: Stripe, PayPal, Twilio, SendGrid, Azure services, SQL Server, MongoDB, and many custom REST APIs.
Not sure if I can help with your specific case? Send me a message before ordering and I will let you know within a few hours.
Available now. Let's build something reliable together.
Get to know Walid M
Walid M
API Integration and NET Backend Developer
- FromBrazil
- Member sinceApr 2026
- Avg. response time1 hour
Languages
Portuguese, Arabic, French, English, Russian
I help businesses connect systems and fix backend issues fast. Specialized in REST API integrations, .NET Core, C#, Azure, Java Spring Boot, and Node.js. I've worked on integrations with Web Services, SQL databases, and process automation across multiple industries. Clean code, clear communication, fast delivery.
FAQ
What information do you need to get started?
I need access to the API documentation, your current codebase or a description of your stack, and a clear description of what the integration should do. The more context you provide, the faster I can deliver.
What if the integration does not work after delivery?
I offer revisions on every package. If something is not working as expected within the scope of the order, I will fix it at no extra cost.
Do you work with any programming language?
I specialize in NET Core, C#, Java Spring Boot, and Node.js for backend integrations. If you are using a different stack, send me a message before ordering and I will let you know if I can help.
