You will get Professional API Development and Integration Services - RESTful APIs

Hashir N.
Hashir N. Hashir N.
Top Rated

Let a pro handle the details

Buy Scripting services from Hashir, priced and ready to go.

You will get Professional API Development and Integration Services - RESTful APIs

Hashir N.
Hashir N. Hashir N.
Top Rated

Select service tier

Basic Package

For 1 to 5 API endpoint to integrate or develop

  • Delivery Time 2 days
  • Number of Revisions 1

2 days delivery — Jul 17, 2024
Revisions may occur after this date.
Upwork Payment Protection
Fund the project upfront. Hashir gets paid once you are satisfied with the work.

Let a pro handle the details

Buy Scripting services from Hashir, priced and ready to go.

Project details

⭐ NOTE: Since every client has unique requirements, Please connect in chat so we can discuss the detailed scope of work. After our conversation, a customized timeline, scope, and price will be provided.

Looking for a reliable and experienced developer to bring your custom web application ideas to life? I specialize in creating robust RESTful APIs and integrating third-party APIs using ASP.NET Web API. Whether you need to develop custom APIs or connect to services like Stripe, PayPal, or Twilio, I deliver high-quality solutions tailored to your needs.

 • Integrate any JSON or XML API
 • Twillio video, audio, SMTP APIs
 • Google APIs like G Analytics, Google Drive, Google map, Gmail, etc, Salesforce API in PHP and Node.js
 • Crawling of data from a special site
 • Creation of web services in JSON or XML format
 • Fetch any response from the API
 • WordPress API (REST API)
 • Build a custom website from Scratch
 • Payment Gateway Integration,
 • Amazon Web Services
 • NFT-related projects
 • Smart Contracts

𝘼𝙫𝙖𝙞𝙡𝙖𝙗𝙡𝙚 𝙎𝙩𝙖𝙘𝙠 
• MERN Stack
 • .NET
• Javascript
Programming Languages
JavaScript, ASP.NET, C#
Coding Expertise
Performance Optimization, Security
What's included
Service Tiers Starter
Delivery Time 2 days 6 days 10 days
Number of Revisions
Install Script
Test Script
Task Automation
Optional add-ons You can add these on the next page.
Additional Revision

Frequently asked questions

7 reviews
100% Complete
1% Complete
1% Complete
1% Complete
1% Complete
Rating breakdown


Gilay A.
Jul 9, 2024
Convert Figma Designs to React Native iOS, Android. He did an amazing job, demonstrating exceptional professionalism in crafting the entire backend of our application. His expertise was evident as he created robust endpoints in Google Cloud Platform. His broad knowledge in this field was invaluable. I highly recommend his services — a 100% great job!


Raphael K.
Jul 4, 2024
C# Telegram Bot Great service, thank you


Michae F.
Jun 28, 2024
Clean-up contact list and protect website written Hard working and knowledgeable. Quick response time. Good hire!


Ahmad A.
May 28, 2024
.NET Developer with REST API, Database, and Cloud Expertise Working with Hashir on our .NET project was an exceptional experience. They not only met but exceeded all the requirements outlined in the job post. Hashir demonstrated excellent problem-solving skills and delivered high-quality solutions promptly. Communication was clear and efficient throughout the project, making collaboration seamless. I highly recommend Hashir for any .NET development project


Bhavin S.
Dec 1, 2023
Create a .net core 6.0 Web app Hashir is highly skilled and great to work with. Asks good questions and very thorough in his work
Hashir N.

About Hashir

Hashir N.
Expert .NET Full Stack Developer | ASP.NET Core, Angular, MVC,GCP
100% Job Success
5.0  (7 reviews)
Karachi, Pakistan - 10:20 pm local time
🏆 Senior Full Stack Developer with 5+ years of experience working with both Front-End and Back-End technologies.
🏆 Top Rated - Top 10% of talent on Upwork
💯 30 minutes response time with 100% Client Dedication!
✅ 100% Client Satisfaction
✅ 100% Job Success Rate
💎 Worked with clients world wide
💎5 years of experience in development field

Are you looking for a skilled .NET Full Stack Developer to bring your web, mobile, and desktop applications to life? Look no further! With expertise in ASP.NET Core, Angular, MVC, and API integration, I offer comprehensive solutions for your development needs.

✅ Tech-Stack:

✅.NET Technologies: .NET Core, C#, Microservices, ASP.NET MVC,Api integration
✅JavaScript Technologies: Angular, AngularJS, NodeJS, ExpressJS
✅Front-End Technologies: HTML5, CSS3, Tailwind CSS, Bootstrap, Material Design, JavaScript, jQuery
✅Databases: SQL Server, MongoDB, PostgreSQL, MySQL, Amazon RDS
✅Development Methodologies: Test Driven Development (TDD), Scrum, Agile
✅Project Management Tools: GitHub, GitLab, BitBucket, JIRA, Trello, Asana, Slack
✅Cloud Services: Azure, Azure DevOps, AWS (EC2, ECS, S3),GCP
✅Others: Continuous Integration, Windows Server, IIS, DNS

Whether you're starting a new project or need improvements on an existing one, I am dedicated to delivering high-quality results tailored to your specific needs. Let's collaborate to turn your vision into reality!

Contact me to discuss your project requirements and how I can help you achieve your goals.

Steps for completing your project

After purchasing the project, send requirements so Hashir can start the project.

Delivery time starts when Hashir receives requirements from you.

Hashir works on your project following the steps below.

Revisions may occur after the delivery date.

Cross Check Client Requirements

After instantiating the project, all the requirements will cross check in short meeting with client


In that meeting, we will also break the whole project into milestones and prepare a timeline

Review the work, release payment, and leave feedback to Hashir.