Shiftleft API, AI Testing & Automation Platform
The Shift Left AI platform. Generate CI-ready API tests from OpenAPI in minutes, self-heal on spec drift, and gate every pull request with AI quality checks — without writing test scripts.
Why API Testing Breaks at Scale
You can't answer "what percentage of our API is actually tested?" — coverage gaps hide until production incidents
Scripted tests break on every API change, and maintaining them costs more than writing them
CI/CD pipelines run without meaningful API quality gates — failures surface too late
Manual testing doesn't scale across dozens of microservices and hundreds of endpoints
Mocking is inconsistent across teams, blocking parallel frontend and backend development
Contract drift between services goes undetected until integration failures hit production
Total Shift Left solves this with specification-driven test automation. Import your OpenAPI spec, generate tests with schema-aware AI, run them in CI/CD, and track coverage — all without writing test code.
Built for teams that ship APIs
From first import to full CI/CD coverage in minutes, not weeks.
First Tests Generated
From spec import to test suite
Coverage From Spec
Endpoint coverage on first import
Zero Test Scripts
No code to write or maintain
CI/CD Integration
Pipeline-native execution
Who Total Shift Left is built for
We built this for teams that need automated API quality at scale — not another API exploration tool.
Built for you if you...
- + Ship REST, SOAP, or GraphQL APIs and need automated test coverage without writing test code
- + Lead QA and need to automate regression suites from API specifications
- + Run DevOps/Platform and want API quality gates in your CI/CD pipeline
- + Manage engineering and need visibility into API test coverage across services
- + Are a developer who wants built-in API debugging with request/response inspection
- + Have OpenAPI, Swagger, or WSDL specs and want to turn them into a working test suite
Probably not the right fit if you...
- - Are looking for API documentation tools, not testing
- - Have a mature custom test framework you want to keep maintaining
How AI-Powered No-Code API Testing Works
Shift-Left API turns your OpenAPI, Swagger, and Postman collections into executable API regression and contract tests—enabling shift-left API testing in your CI/CD pipeline.
How it works
One platform for API testing and automation.
Specification-Driven API Testing From Your OpenAPI Spec
Our AI analyzes your OpenAPI and Swagger schemas to generate positive tests, negative tests, edge cases, and security checks. Coverage-driven gap detection finds untested endpoints. Contract-aware validation catches schema drift.
Schema-Aware AI Test Generation
AI-driven test generation from OpenAPI schemas with contract-aware coverage analysis. Our AI analyzes your endpoints, request/response schemas, and creates tests for happy paths, edge cases, and error scenarios automatically.
Learn moreAI Coverage Gap Detection
Specification-driven coverage analysis identifies gaps in your API test suite from OpenAPI schemas. Get intelligent recommendations for additional test cases to achieve complete endpoint and contract coverage.
Learn moreIntelligent Edge Case Detection
Our machine learning models analyze your API schemas to automatically detect and generate tests for boundary conditions, null values, and edge cases that manual API regression testing often misses.
Learn moreNo-Code API Test Automation
Create sophisticated API tests without writing code. Visual test builder with drag-and-drop interface makes API test automation accessible to QA teams, business users, and non-developers alike.
Learn moreSelf-Healing API Tests
AI automatically adapts your tests when API schemas change. Reduce API test maintenance overhead with intelligent test updates that keep pace with your evolving API landscape and contract changes.
Learn morePredictive API Quality Analytics
Machine learning models predict potential API failures before they happen. Proactive quality insights help you reduce production incidents and increase release frequency with confidence.
Learn moreExperience the power of AI-driven API test automation
API Testing Use Cases
Automated regression testing, contract validation, coverage gap detection, API mocking, and CI/CD quality gates — all generated from your API specifications.
API Regression Testing for Microservices
Catch regressions early with AI-generated API tests across all your microservices endpoints.
- ✓Automated test generation from OpenAPI/Swagger
- ✓Schema-aware edge case detection
- ✓Scheduled test execution in CI/CD pipelines
API Contract Testing and Validation
Ensure API consumers and providers stay in sync with contract-based test synthesis.
- ✓Schema validation against OpenAPI and Swagger specs
- ✓Response structure and type verification
- ✓Automatic breaking change detection
API Mocking for Parallel Development
Generate realistic API mock servers from your specs so frontend and backend teams can work in parallel.
- ✓Auto-generated mock servers from OpenAPI specs
- ✓Customizable response scenarios for edge cases
- ✓Develop and test without live backend dependencies
CI/CD API Testing and Shift-Left Automation
Integrate API tests directly into your CI/CD pipeline to catch defects before they reach production.
- ✓Native GitHub Actions, GitLab CI, Jenkins integration
- ✓Fail builds on test failures with clear reports
- ✓Shift-left testing with every pull request
Shift-Left API vs. Traditional Methods
Unlike UI-centric tools that bolt on API testing, Shift-Left API is built OpenAPI-first for specification-driven test automation.
| Aspect | Traditional Tools | Shift-Left API |
|---|---|---|
| Approach | Script-heavy | No-code + AI |
| Test Design | Manual test creation | Auto-generated from OpenAPI |
| Maintenance | High maintenance overhead | Self-healing API tests |
| Coverage | Limited visibility | AI coverage gap detection |
| CI Feedback | Late-cycle testing | Shift-left CI/CD testing |
| Spec Support | Limited formats | OpenAPI, Swagger, Postman, GraphQL |
Approach
Test Design
Maintenance
Coverage
CI Feedback
Spec Support
Metrics based on internal usage and early customer deployments.
CI/CD and Developer Tool Integrations
Native plugins for Azure DevOps and Jenkins. REST API for GitHub Actions, GitLab CI, CircleCI, and Bitbucket Pipelines. Run tests, enforce quality gates, and get JUnit reports in your existing workflow.
CI/CD Pipelines
Collaboration Tools
API Specifications
Don't see your tool? We're always adding new integrations.
Request an integrationWhy Teams Switch to Spec-Driven API Testing
Stop maintaining test scripts. Start generating CI-ready tests from the specs you already have.
See pricingBuilt for OpenAPI-First Teams
Purpose-built for specification-driven test automation. Import your OpenAPI or Swagger spec and get a complete test suite — not a collection of manual requests.
Zero Test Scripts to Maintain
No scripting, no test code, no framework configuration. Generate, run, and maintain tests through a visual interface accessible to QA teams and developers alike.
Self-Healing Tests That Adapt
Tests automatically adapt to non-breaking spec changes. You fix real regressions, not false positives from routine API evolution.
CI/CD-Native Quality Gates
Run tests on every push with Azure DevOps, Jenkins, or any CI platform. Gate deployments on coverage thresholds, pass rates, and contract compliance.
What teams are saying
"We went from zero API test coverage to 87% in the first week. The OpenAPI import just works — no scripts, no configuration. Our QA team finally owns API testing independently."
"Adding API quality gates to our Azure DevOps pipeline took 15 minutes. We catch breaking changes before they hit staging now. The self-healing tests saved us hours of maintenance."
"Managing API tests across 30+ microservices was a nightmare with Postman. Total Shift Left gives us one dashboard with coverage gaps across every service. Game changer for our release confidence."
Learn more
Guides for API test automation, OpenAPI testing, CI/CD integration, and shifting left.
FAQs
How does Total Shift Left generate API tests from OpenAPI specs?
Total Shift Left analyzes your OpenAPI or Swagger specification to understand every endpoint, parameter, request body, and response schema. Our schema-aware AI then generates comprehensive test cases covering happy paths, edge cases, error scenarios, and security checks — all without you writing a single line of test code. Import your spec and have CI-ready tests in minutes.What makes this different from Postman for API testing?
Postman is designed for API exploration and manual request building. Total Shift Left is designed for automated, spec-driven test generation at scale. You import your OpenAPI spec and get a full test suite — with coverage tracking, contract validation, self-healing tests, and CI/CD execution built in. No collections to maintain, no scripts to write.Can I run generated tests in my CI/CD pipeline?
Yes. Total Shift Left provides native plugins for Azure DevOps and Jenkins, plus a REST API for GitHub Actions, GitLab CI, CircleCI, and Bitbucket Pipelines. Tests run as part of your pipeline with JUnit/JSON output, and you can configure quality gates to fail builds based on coverage thresholds or test failures.What API specifications and formats are supported?
Total Shift Left supports OpenAPI 3.0, OpenAPI 3.1, Swagger 2.0, WSDL, and Postman Collections. It works with REST, SOAP, and GraphQL APIs. Upload a spec file, paste a URL, or import directly from your API gateway. The platform auto-discovers endpoints, parses schemas, and generates tests for every operation.How does coverage tracking work?
The platform tracks test coverage at multiple levels: endpoint coverage (which endpoints have tests), method coverage (GET, POST, PUT, DELETE), status code coverage (2xx, 4xx, 5xx), and parameter coverage. The coverage dashboard shows gaps visually, and you can generate tests for uncovered areas with one click.What are self-healing tests?
When your API spec changes, self-healing tests automatically adapt to non-breaking changes — like new optional fields or updated descriptions. For breaking changes (removed endpoints, type changes), the platform flags the impact, shows affected tests, and suggests updates. You fix real regressions, not false positives from routine spec evolution.How does API contract testing work in Total Shift Left?
Contract testing validates that your API responses match the schema defined in your OpenAPI specification. Every test run checks response status codes, field types, required fields, and value constraints against the spec. Schema drift — where the implementation diverges from the contract — is caught automatically before it reaches production.Can non-developers use Total Shift Left?
Yes. The platform is fully no-code. QA engineers, business analysts, and team leads can import API specifications, review generated tests, trigger test runs, and analyze coverage — all through a visual interface. No programming, no test scripting, no framework configuration required.Is this suitable for microservices architectures?
Yes. Total Shift Left is built for teams managing multiple APIs. Each service gets its own project with independent coverage tracking, contract validation, and CI/CD execution. You can monitor test health across all services from a single dashboard.How do I get started?
Sign up for a free 15-day trial — no credit card required. Import your first OpenAPI or Swagger spec, and the platform generates a complete test suite in minutes. From there, connect your CI/CD pipeline and start tracking coverage gaps across your APIs.
Generate your first API test suite in minutes
Import your OpenAPI spec. Get CI-ready tests. Track coverage. No code, no credit card, 15-day free trial.