Get in touch

API Testing

Build reliable connections with API Testing

API testing validates logic, performance, and security at the connection layer. We go beyond surface checks so you get seamless integrations, secure data exchange, and resilient systems.

Challenges

One weak connection breaks the chain

APIs power your product’s most critical integrations, but when they fail, systems stall and users notice. From broken data flows to security risks, the stakes are high. We use API testing to validate logic, performance, and security at the program level, ensuring your integrations hold up under pressure. That way, your product delivers stable connections every time.

Talk to our QA experts
Bongo

DevOps Director

Bongo

XBOSoft has some of the most detailed and careful test execution and reporting I’ve ever seen.

Our Clients

Trusted by leading teams

logo_wh
XBOsoft Favicon
Whil
VTEX
Visibility Software
Verilogue
Tower Loan
TJIP
The Case Foundation
Testers.ai
Talyst
SurfStitch

Our Approach

Our Approach with API Testing

APIs connect everything your software relies on, but they also create hidden risks if not tested with care. We make API testing a cornerstone of quality, validating logic, performance, and security so your integrations work exactly as expected. By combining automation with deep technical review, we help you avoid bottlenecks and ensure reliable, scalable connections.

Validate critical functionality

We test endpoints and workflows against real-world use cases, so you can trust every call delivers the right data and actions.

Strengthen performance under load

Our team measures response times and throughput to make sure your APIs scale smoothly as demand grows.

Secure every exchange

We check for vulnerabilities in authentication, authorization, and data handling to safeguard users and comply with standards.

Support complex integrations

Whether you rely on internal systems or third-party services, we verify seamless compatibility across environments.
Request a proposal

White Papers

Agile API test automation

Agile API Test Automation

With nearly 20,000 public APIs available today, they have become the backbone of countless mobile apps, web applications, and IoT devices. As API usage grows, so do the risks for businesses that don’t thoroughly test them. Many traditional QA processes overlook API testing, especially when the GUI is not yet ready during Agile sprints. This white paper explores why API testing is essential, the challenges it presents, and how automation can streamline the process in an Agile environment.

Benefits

Why clients choose us

We bring proven experience in testing complex integrations, adapt our methods to your environment and priorities, and focus on delivering results that keep your systems reliable and your users confident.

01

Expertise-led and tech-driven innovation, aligned with your mission.

We know the weak points where APIs often fail. You get proven methods that uncover performance bottlenecks, security gaps, and compliance issues before they cause disruption.

02

A partnership built around your team and committed to your goals.

We adapt to how your team builds and releases. You get API testing that fits into your workflows, scales with demand, and delivers results that your developers can act on quickly.

03

Quality that protects your reputation, delights your users, and drives outcomes.

We understand that an unstable API damages trust fast. You get validation that your APIs are dependable, so users stay confident and your business processes stay intact.

Turn reliable APIs into business advantage

APIs hold your product together. Work with us to make sure they perform under pressure and keep your business connected.

Let’s get started

White Paper

Strengthening integrations with Bongo

Bongo, a video assessment platform for experiential learning, needed to validate complex integrations while migrating to AWS and adopting GraphQL APIs. XBOSoft embedded a QA team to test API reliability, security, and performance at scale, uncovering critical defects and ensuring stable connections across multiple environments. This partnership enabled Bongo to expand confidently into corporate training and consulting with a more resilient product.
Bongo

Resources

Practical Insights and Proven Results

Explore resources, client stories, and expert perspectives that show how we apply the right tools and methods to deliver lasting outcomes.

Industry Expertise

January 23, 2025

The Ultimate Guide to Software Testing Services: Everything You Need to Know

Industry Expertise

August 16, 2023

Do you really need QA? Cost, ROI, and Outsourcing

Industry Expertise

September 20, 2017

API Testing Challenges

More from the blog

Our Success

They’ve learned not only what the product does, but understand our business. Their domain expertise makes a huge difference.

Bongo

Richard Robinson, QA Director

Bongo

Take the first step

Focus on your product, we’ll handle the QA

The right tool can make a difference, but what really matters is how it’s used. We take care of the QA tools and frameworks so your team can stay focused on creating software your users love.

Awards & Recognitions

Certified expertise, reliable results

We hold PMP, ISTQB, and ISO27001 certifications, reflecting our adherence to rigorous standards in project management, software testing, information security, and internal controls.

Reach out