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Catch API contract breaks before they reach production

Your platform's microservices should work together flawlessly. Our solution ensures they do by automating contract validation between services.
Native Kubernetes Testing
Run tests in real K8s environments with actual dependencies, not brittle mocks. Test as you deploy, with real data.
AI-Powered Change Detection
Our Smart Diff technology spots meaningful API changes while ignoring harmless variations, highlighting only what matters.
Developer-First Approach
Write tests in simple Starlark with minimal code. Integrates directly in your CI/CD to catch breaks before merge.

Simple Developer Workflow

Four simple steps to bulletproof your API contracts across microservices
1
Write Simple Tests
Define what matters in your API contracts with minimal code
Create straightforward contract tests using Starlark syntax. Our SmartDiff technology automatically captures and analyzes API interactions to detect breaking changes.
2
Automate in CI/CD
Verify contracts on every code change, before problems reach production
Seamlessly integrate with your existing CI pipeline to automatically validate API contracts for each pull request. Tests run in isolated Kubernetes sandboxes, providing realistic environments without affecting production.
3
Compare Service Versions
See exactly how changes affect your API contracts
Tests execute in both your baseline and sandbox environments, capturing real API requests and responses rather than simulating them. This approach detects actual behavior changes that static analysis might miss.
4
Get AI-Powered Insights
Focus on meaningful changes, not false alarms
Our AI model spots meaningful API changes, filtering out false positives to help developers focus only on changes that affect service consumers.
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Powered by AI

Our AI model eliminates test maintenance by automatically detecting breaking API changes without explicit assertions. It distinguishes meaningful issues from noise and flaky behavior, keeping your tests valuable with minimal upkeep as your services evolve.