Design Postman collections that scale with your API Manage environments and secrets across teams Run Newman in CI: GitHub Actions and GitLab CI patterns Validate schemas and contracts: OpenAPI assertions and consumer-driven contract tests Handle test data, mocks, and lightweight performance checks Practical Playbook: checklists and pipeline templates Sources Shipping API changes without automated API QA guarantees regressions reach customers. You need repeatable, versioned API tests that run in every pull request and provide machine-readable evidence that a change preserved the contract.…