I will professionally test your rest API using postman and provide detailed repo
Senior QA Automation Engineer Playwright Selenium AI, API, UI Mobile Testing
About this Gig
Professional REST API Testing Using Postman
Need reliable REST API testing before release? I'm an ISTQB Certified Senior QA Automation Engineer with 5+ years of experience testing enterprise applications across healthcare, telecom, fintech, AI, and SaaS.
I will professionally test your REST APIs using Postman and provide detailed bug reports to help you deliver stable, high-quality software.
What I'll test:
- GET, POST, PUT, PATCH & DELETE endpoints
- Status codes & response validation
- JSON structure & data validation
- Authentication (JWT, Bearer Token, API Key, Basic Auth)
- CRUD operations
- Headers, parameters & request body
- Error handling & input validation
- API workflows & business logic
- Response time review
You'll receive:
- Detailed bug report
- Steps to reproduce
- Expected vs. actual results
- Annotated screenshots
- Tested endpoints summary
- Postman collection (Premium)
- Improvement recommendations
Why choose me?
⭐ 5+ years of QA experience
⭐ ISTQB Certified
⭐ Enterprise experience (Bell Canada, Moody's, Azcare)
⭐ Strong background in API, SQL & backend testing
⭐ Fast communication and professional documentation
Please contact me before ordering if your API contains many endpoints or requires
Testing application:
API
Development technology:
Java
•
JavaScript
•
Python
•
SQL
•
TypeScript
Device:
PC
•
Mac
•
Linux
•
iPhone
•
Android mobile phone
FAQ
Which APIs do you test?
REST APIs, JSON APIs, SaaS APIs, Microservices, Internal APIs, and Public APIs.
Do you use Postman?
Yes. Postman is my primary tool for manual API testing.
Can you test authenticated APIs?
Yes. I can test: JWT OAuth API Keys Bearer Tokens Basic Authentication
Can you create a Postman Collection?
Yes. If needed, I'll organize all tested requests into a reusable Postman Collection.
Can you test APIs documented with Swagger/OpenAPI?
Absolutely. Swagger and OpenAPI documentation make testing faster and more comprehensive.
Will you sign an NDA?
Yes.

