API Testing & Integration Validation
Modern products depend on APIs and integrations working exactly as expected. We test your endpoints and the flows between systems — checking data, errors, security behaviour and edge cases — so problems are found before they affect users or partners.
Problems we solve
- Integrations fail silently and data goes missing
- APIs return inconsistent responses or unclear errors
- Authentication and permissions are not tested thoroughly
- API documentation does not match actual behaviour
- Partners report problems you cannot reproduce
What’s included
- REST API testing
- SOAP API testing
- Request and response validation
- Authentication and authorisation testing
- Integration testing
- Data consistency checks
- Error handling validation
- API documentation review
- Integration troubleshooting
Benefits
- Reliable integrations with partners and internal systems
- Consistent, documented API behaviour
- Early detection of breaking changes
- Reusable API test collections
- Faster diagnosis of integration incidents
Delivery approach
- Review API documentation, contracts and integration flows
- Design positive, negative and edge-case scenarios
- Build test collections and environments
- Execute, report defects and verify fixes
- Hand over collections and documentation for ongoing use
Tools & technologies
Available now
PostmanSwagger / OpenAPISoapUI-style SOAP testingSQL for data validationJSON and XML validation
Available on request, depending on the engagement
Automated API test pipelinesContract testing tools
Frequently asked questions
Do you need access to our source code?
No. API testing is done against your endpoints and documentation. Database read access can help with data validation but is not required.
Can you test third-party integrations?
Yes, within the limits of the third party’s test environments and documentation.
Will we keep the test collections?
Yes. Collections and documentation are handed over so your team can rerun them at any time.
Let’s talk about your software
Tell us what you are building, testing or supporting. We will reply with practical next steps and a tailored proposal.
Request a Custom QuoteOr email us at muslimtech@gmail.com