Automated API Testing Services for Faster, More Reliable Software Delivery
Ensure fast, secure, and scalable software development with CelticQA’s automated API testing services. Our team helps enterprises automate REST and SOAP API tests, accelerate releases, and catch defects early—reducing QA costs and improving product quality.
What is Automated API Testing?
Automated API testing is a critical component of modern QA frameworks. It verifies the performance, reliability, and functionality of APIs without human intervention. It’s especially useful for regression testing, continuous integration pipelines, and complex backend services.
Whether you’re working with microservices or integrating third-party tools, automated API testing ensures your application communicates accurately and securely
Types of API Testing We Support
Our automated API testing services cover:
Integration Testing
Functional Testing
Security Testing
Load & Performance Testing
Regression Testing
Web UI/Backend API Testing
Error Handling Testing
REST vs SOAP: What’s Best for You?
Feature | REST API | SOAP API |
|---|---|---|
Data Format | JSON (lightweight) | XML (structured) |
Speed | Faster, lower bandwidth | Slower, more robust |
Flexibility | Ideal for mobile/web apps | Ideal for enterprise, financial systems |
Security | OAuth, HTTPS | Built-in (WS-Security, etc.) |
We tailor our automation strategy based on your architecture—whether you use RESTful endpoints or SOAP protocols.
Popular Tools We Use for API Automation
We use top-rated tools to ensure scalable and maintainable automation:
Postman
Great for rapid prototyping and automation scripting.
SoapUI
Ideal for testing SOAP-based APIs.
Rest-Assured
Java library for seamless REST API automation
Load Runner
All-in-one testing tool with CI/CD integration
JUnit
Perfect for backend Java developers automating APIs.
Jmeter
Ideal for testing REST and SOAP-based APIs.
Need help choosing the right tool? Our QA experts match your needs with the ideal stack.
Benefits of Automated API Testing Services
Automated API testing offers several business-critical benefits:
Faster Release Cycles
Cost Savings
Increased Coverage
Higher Accuracy
Continuous Integration (CI)
Improved Collaboration
Why Choose CelticQA for Managed API Testing?
With 20+ years of experience, CelticQA has built high-performing QA teams that deliver zero critical defects. Our Accelerate Automation Program helps you:
- Cut manual testing time by up to 80%.
- Design and implement a scalable automation framework.
- Integrate seamlessly into your CI/CD pipeline.
- Choose the right API testing tools and strategies.
We specialize in REST and SOAP API test automation for industries including:
- Financial Services
- Healthcare & Biopharma
- Retail & E-Commerce
- Software & SaaS
- Insurance
As a Partners – Ranorex and QAConnector integration expert, we bring automation and visibility to every engagement.
Our Automation Tool Capabilities
USA
Experience quality assurance with our expert QA Testing Services in the USA.
UK
Elevate your software quality with our tailored Software QA Testing Services in the UK.
Ireland
Quality assurance for your software made easy with our experienced Software QA & Testing Services in Ireland.
Our Key Clients
Ready to Automate Your API Testing?
AAccelerate time to market, reduce QA effort, and ensure secure and reliable software with CelticQA’s automated API testing services.
Atlanta, USA
MON – FRI: 9 AM to 5 PM
Dundalk, Ireland
MON – FRI: 9 AM to 5 PM