Contract Testing Agent That Works!
Automated. Fast. Simple.
Keploy automatically creates and validates your API contracts. No manual setup, no scripting, no integrations, zero configuration.
Type Mismatch Detected
Breaking ChangeProvider returned number instead of string
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Intelligent API Contract Testing
Advanced features designed to ensure your API contracts remain consistent, reliable, and production ready with zero friction

Automatic Schema Generation & Analysis
Keploy automatically generates comprehensive API schemas and performs deep analysis across status codes, response headers, body fields, and all parameters—ensuring complete contract validation.
Create and Analyse Your Schema, Using Keploy
Keploy instantly analyzes API requests and responses to auto-generate complete schemas, assertions, tests and detect changes.
Generating schema...
Zero Manual Work
Forget manual schema definition. Keploy extracts everything from your API requests
Type Detection
Automatic detection of strings, numbers, booleans, objects, and arrays
Instant Generation
Schemas generated in seconds, ready to use for contract testing
Analysis starting...
Automated Test Data Generation
From Real Traffic.
Real test data generated directly from your environment powered by AI. Keploy captures real API interactions, analyzes behavior, and generates accurate, production-like test data.
Client
Web/Mobile App

Keploy
Intercepting and Analyzing
Server
Backend or other dependencies
Keploy Generating Tests
Real-time API traffic analysis
Waiting for API traffic...
Requests will appear here as they are captured
Compare Every Field, Catch Every Difference
Keploy performs deep contract testing by comparing each API field against your contract definitions, detecting type mismatches, format changes, and breaking modifications instantly

Ready to Test
Testing 8 fields • 0 passed • 0 failed
Initializing field comparison...
Tests will start automatically
Tests running...
Results will appear here as tests complete
Credible and Reliable, AI Powered Tests
Keploy eliminates all contract testing pain points. No installations, no dependencies, no manual work. Just enter your API and get complete test coverage automatically.
Endpoint
Enter API URL
cURL Calls
Provide requests
Extract Data
Parse structure
Check Facts
Validate fields
Create Test
Generate tests
View Report
See insights
Endpoint
Enter API URL
cURL Calls
Provide requests
Extract Data
Parse structure
Check Facts
Validate fields
Create Test
Generate tests
View Report
See insights
Enter Endpoint
No setup needed, just provide your API URL
Solves: Complex configuration & steep learning curve
Provide cURL Calls
Share your actual API requests and responses
Solves: Manual contract definition work
Extract Schema
AI automatically infers data structure and types
Solves: Writing manual schema definitions
Validate Contract
Checks status codes, body, headers & all fields
Solves: Manual validation scripts & dependency hell
Generate Tests
Complete test suites created automatically instantly
Solves: Writing test scripts by hand
Run & Report
Execute tests with visual diffs and executive summary
Solves: Manual test execution & reporting
Why Keploy Wins
No Installation Required
Zero dependencies, integrations or complex setup needed to start testing
No Manual Script Writing
Tests are auto-generated, no need to write testing code by hand
No Contract Definition
Contracts are automatically extracted from your API traffic and responses
No Learning Curve
Designed for everyone - developers or non-developers can use it instantly
No SDKs Required
Works out-of-the-box without language-specific SDKs or plugins
No Package Dependencies
Zero additional packages to install or manage in your project
No Integration Headaches
Works seamlessly with any framework or tool without complex integration
Smart Bug Insights
Automatically finds faults in your tests and reports potential bugs with precision.
Switch to an Automated Contract Testing Tool
Compare how Keploy automates the entire process versus traditional manual approaches
Simple & Automated
~5 minutes total
Record API Calls
Automatic capture
Auto-Generate Tests
AI-powered creation
Review Diffs
Visual comparison
✨ Zero configuration — works out of the box
Automatic Test Generation
Initializing...
Total Time
7 min
Ready in minutes
Dependencies
0
Required packages
Complexity Rating
Setup Difficulty
10%
Maintenance
5%
Learning Curve
10%
Why Teams Choose Keploy
See how Keploy outperforms traditional contract testing tools
Setup & Configuration
Testing Capabilities
Maintenance
Developer Experience
Powerful Features Of Keploy Contract Testing
Everything you need to ensure bulletproof contracts across your entire stack

Automated Contract Tests
Automatically generate and execute API Contract Tests to reduce manual effort and errors with Keploy.
Automation

Cross-Language Support
Achieve consistent Contract Testing across multiple programming languages and services.
Cross-Language

Scalable Testing
Easily scale Contract Testing across complex architectures with Keploy’s high-performance engine.
Scalability

Error Detection
Quickly identify and resolve API Contract mismatches to maintain reliability across microservices.
Error Detection

Detailed Reporting
Get comprehensive insights into API Contract Test results with Keploy’s powerful reporting dashboard.
Reporting

Real-Time Monitoring
Monitor ongoing Contract Testing activities and results across all services in real time.
Monitoring
FAQs
Contract testing verifies that microservices or APIs communicate as expected by validating their request and response structures. It helps ensure compatibility across services during integration.
Keploy automates contract testing and validation, reducing manual verification efforts. It ensures consistent API behavior across microservices and integrates seamlessly with your CI/CD pipeline.
Keploy captures API interactions and automatically generates contract tests. These tests validate API contracts during subsequent runs, ensuring communication integrity between services.
Keploy's contract testing can be easily integrated with CI/CD tools like GitHub Actions, GitLab, and Jenkins. This ensures continuous contract validation during every build cycle.
Contract testing prevents breaking changes in APIs by validating expected responses. It enhances collaboration between teams and ensures smoother deployment cycles.