Software Testing & QA

API Testing — Validate Every Integration Point

Modern applications depend on dozens of APIs. A failure at any integration boundary can cascade system-wide. Our API testing practice validates every integration point with precision and automation.

Request a Consultation → Talk to a Specialist

Capabilities

API & Integration Testing — deep expertise

REST API Testing

Comprehensive REST API testing — endpoint validation, payload testing, error handling, authentication, and edge case coverage.

PostmanREST AssuredInsomniaNewman

GraphQL Testing

GraphQL schema validation, query, mutation, and subscription testing — introspection-based test generation for comprehensive coverage.

GraphQL InspectorPostman GraphQLCustom FrameworksSchema Validation

Contract Testing

Consumer-driven contract testing using Pact — ensuring producer APIs never break consumer expectations as services evolve independently.

PactContract BrokerConsumer-DrivenBreaking Change Detection

Database Integration Testing

Stored procedure testing, trigger validation, referential integrity, and data transformation testing ensuring database logic is correct.

SQL TestingData ValidationStored ProceduresTrigger Testing

Message Queue Testing

Kafka, RabbitMQ, and SQS message testing — producer/consumer validation, ordering verification, dead letter queue, and retry behavior.

Kafka TestingRabbitMQSQS TestingMessage Ordering

Security in API Testing

Authentication and authorization testing — OAuth 2.0, JWT, API key, and RBAC validation — ensuring every endpoint enforces proper access control.

OAuth 2.0 TestingJWT ValidationRBAC TestingAuthorization Bypass

API Testing Results

API Quality by the Numbers

1,000+

APIs tested

99%

Integration defect detection rate

3×

Faster integration testing with automation

Zero

Integration-caused production incidents for clients

Our Approach

From Integration Risk to Verified API Contracts

API Inventory

Catalog all APIs, document contracts, authentication methods, and identify the highest-risk integration points.

Test Strategy

Define the test coverage model — contract tests, functional tests, negative tests — and tool selection.

Test Development

Build automated test suites per API endpoint with positive, negative, and edge case coverage.

CI Integration

Integrate API tests into CI/CD pipeline with gating policies and regression test reporting.