Postman

The world's leading API development platform for building, testing, documenting, and collaborating on APIs. Postman simplifies every step of the API lifecycle and streamlines collaboration.

Features

API Testing

• Request Builder: Intuitive interface for crafting HTTP requests
• Collections: Organize related requests into logical groups
• Environments: Switch between dev, staging, and production configurations
• Test Scripts: Write JavaScript tests to validate responses
• Pre-request Scripts: Transform data or set variables before requests
• Automated Testing: Run collections with Newman CLI or CI/CD pipelines

Collaboration

• Workspaces: Team and public workspaces for collaboration
• API Documentation: Auto-generated, interactive documentation
• Mock Servers: Simulate API endpoints before backend is ready
• Version Control: Track changes to collections and environments
• Comments: Discuss and review APIs with team members

Advanced Features

• GraphQL Support: Native GraphQL query builder
• WebSocket Testing: Test real-time communication
• gRPC Support: Test gRPC services
• API Monitoring: Schedule collection runs to monitor uptime
• Performance Testing: Load test your APIs
• API Security: Security warnings and best practices

Workflow

// Example test script
pm.test("Status code is 200", function () {
    pm.response.to.have.status(200);
});

pm.test("Response time is less than 500ms", function () {
    pm.expect(pm.response.responseTime).to.be.below(500);
});

pm.test("User has email", function () {
    var jsonData = pm.response.json();
    pm.expect(jsonData.email).to.exist;
});

Use Cases

• API Development: Build and test APIs as you develop
• Integration Testing: Verify API integrations work correctly
• Documentation: Generate beautiful, interactive API docs
• Onboarding: Help new developers understand your API
• Monitoring: Track API performance and uptime
• Debugging: Troubleshoot API issues quickly

Pricing

• Free: Individual use with basic features
• Basic: $14/user/month - Enhanced collaboration
• Professional: $29/user/month - Advanced features
• Enterprise: Custom pricing - SSO, governance, dedicated support

Best For

• Backend developers testing APIs
• Frontend developers integrating with APIs
• QA engineers automating API tests
• DevOps teams monitoring services
• Technical writers documenting APIs
• Teams collaborating on API development

Integration

• CI/CD with Newman (command-line runner)
• GitHub, GitLab, Bitbucket integration
• Slack notifications
• Jenkins, Travis CI, CircleCI plugins
• Datadog, New Relic monitoring

Postman has become the industry standard for API development, making it an essential tool for any developer working with REST APIs, GraphQL, or other web services.