# Postman Collection
source: https://developer.mastercard.com/presentment/documentation/developer-tools/postman-collection/index.md

## Overview {#overview}

[Postman Collections](https://www.postman.com/collection/) is an API client that allows developers to test API calls in sandbox and production environments without writing any code. This makes sharing pre-formed API requests with partners easy, and permits partners to run individual API requests or those within a folder or the entire collection.

## Postman tutorial {#postman-tutorial}

The Postman tutorial shows how to use Postman collections in the Mastercard workspace on Postman. For detailed steps, follow the [Postman tutorial](https://developer.mastercard.com/platform/documentation/developer-tools/postman-collection/).