API Contract Testing Using Postman

Harish Nataraj

August 03, 2022 · 2 min read

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Synopsis

Unlock powerful API Contract Tests by simply leveraging your existing Postman Collections.

API Contract Tests Enable Shipping Fast & Maintaining Quality

Contract Tests are Isolated, Fast, & Cheap

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Contract testing is a lightweight form of API testing that strictly checks the content and format of requests/responses. Unlike functional tests, contract tests do not validate the logic or consumer flows of APIs. Contract testing really focuses on ensuring that spec files such as Swagger or OpenAPI, properly fulfill contracts between API consumers and producers.

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Contract tests don’t require a full-featured end-to-end environment, run in isolated/mocked environments, and are extremely fast & cheap.

They give developers confidence that services will run and perform as expected in production, without actually testing in production.

Contract Tests Put APIs Through The Wringer

Contract tests identify numerous interoperability issues, and vulnerabilities in APIs, such as:

Unlock Powerful API Contract Tests Using Postman

Levo’s open source postman-to-openapi lets you unlock the full potential of your Postman Collections, by converting them to full featured OpenAPI specifications.

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Levo can auto-generate/orchestrate codeless API Contract Tests, by simply importing these OpenAPI specifications.

You can embed Levo’s contract tests in various stages of your software delivery pipeline via CI/CD Quality Gates.

Levo lets modern development teams ship fast, and NOT compromise on quality & security.

Interested In Trying Levo?

Levo is a purpose-built API Contract/Security testing platform that seamlessly embeds into modern development workflows.

Sign up for a forever free account and build secure and resilient APIs in minutes.

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