# Postman Collections - API Testing

Comprehensive Postman collection examples including API testing, automation scripts, environment variables, mock servers, and advanced testing patterns for REST APIs

> Canonical page: https://elysiatools.com/en/samples/postman-collections

- **Category:** Testing

- **Keywords:** postman, api testing, collections, automation, mock servers, rest api, testing, devops

## Overview

Comprehensive Postman collection examples including API testing, automation scripts, environment variables, mock servers, and advanced testing patterns for REST APIs

## Examples

- **Postman Basic Collection Setup**: Complete Postman collection setup with environment variables, authentication, and basic API testing patterns
- **Postman Advanced Automation and Testing**: Advanced Postman features including data-driven testing, mock servers, monitors, and CI/CD integration

## When to use

- Use this sample set when you want reference inputs for Postman Collections - API Testing.
- Use it to preview output formats and compare related sample variants.

## How it works

- Open a sample entry to inspect the prepared example payload or asset.
- Compare it with related tools to understand how the workflow connects.

## Use cases

- Postman Basic Collection Setup
- Postman Advanced Automation and Testing

## Frequently asked questions

### What is included in Postman Collections - API Testing?

This page includes curated sample entries, related tools, and neighboring sample collections for Postman Collections - API Testing.

## Related tools

- [API Mock Server](https://elysiatools.com/en/tools/api-mock-server): Generate a runnable Redis-backed mock API server with 1-hour TTL, hot updates, and dynamic templated responses
- [XLSX API To Sheet](https://elysiatools.com/en/tools/xlsx-api-to-sheet): Fetch JSON from REST or GraphQL API and write mapped records into an Excel sheet with automatic pagination
- [API Latency Budget Planner](https://elysiatools.com/en/tools/api-latency-budget-planner): Plan and visualise an API latency budget. Enter a P99 target (e.g. ≤ 300ms) and per-stage allocations (DNS, TCP, TLS, TTFB, Processing, Network) to see a live waterfall, budget utilisation, and over-budget warnings. Optionally paste an OpenTelemetry or Datadog trace to reverse-engineer a measured allocation.
- [API Request Code Snippet Generator](https://elysiatools.com/en/tools/api-request-code-snippet-generator): Generate cURL and common language code snippets from a request URL, method, headers, query parameters, and body
- [API Response Contract Validator](https://elysiatools.com/en/tools/api-response-contract-validator): Validate a real API response JSON against the response schema declared in an OpenAPI 3.x specification
- [API Response Diff & Semantic Analyzer](https://elysiatools.com/en/tools/api-response-diff-semantic-analyzer): Compare two API response payloads, highlight field-level diffs, and classify likely functional changes versus harmless runtime drift
- [OpenAPI to Postman Collection](https://elysiatools.com/en/tools/openapi-to-postman-collection): Turn an OpenAPI 3.x or Swagger 2.0 spec (JSON/YAML) into an importable Postman Collection v2.1.0 with folders, variables, auth and example responses.
- [JSON Diff Visualizer](https://elysiatools.com/en/tools/json-diff-visualizer): Compare two JSON payloads and render a visual HTML diff with path-level additions, removals, changes, and statistics

## Related content

- [ELK Stack Log Analysis Samples](https://elysiatools.com/en/samples/elk-stack-samples): Comprehensive ELK Stack (Elasticsearch, Logstash, Kibana) samples for log aggregation, processing, and visualization in distributed systems
- [Terraform Plan JSON Samples](https://elysiatools.com/en/samples/terraform-plan-json-samples): Sample Terraform plan JSON files exported from terraform show -json style payloads for dependency visualization and change review
- [OpenAPI/Swagger Samples](https://elysiatools.com/en/samples/openapi-swagger): Comprehensive API documentation examples using OpenAPI 3.0 and Swagger specifications for RESTful services
- [Distributed Tracing Samples](https://elysiatools.com/en/samples/distributed-tracing-samples): Comprehensive distributed tracing examples using Jaeger, OpenTelemetry, and other modern observability tools for microservices architecture
- [AWS EventBridge Samples](https://elysiatools.com/en/samples/eventbridge-samples): AWS EventBridge examples including event buses, rules, targets, schema registry, custom events, and cross-account event routing for serverless event-driven architecture
- [Grafana Advanced Application Samples](https://elysiatools.com/en/samples/grafana-samples): Comprehensive Grafana samples covering advanced dashboard design, alerting configurations, data source integrations, and plugin development