# Invoke a Mastercard API from Postman
source: https://developer.mastercard.com/mastercard-checkout-solutions/tutorial/use-postman-for-mastercard-checkout-services-apis/step6/index.md

## 4. Invoke a Mastercard API from Postman {#4-invoke-a-mastercard-api-from-postman}

Choose any of the requests and click **Send**. You should get a successful response.

![Postman successful call](https://static.developer.mastercard.com/content/mastercard-checkout-solutions/documentation/images/postman-successful-call.png "Postman successful call")

## Congratulations! {#congratulations}

### You have completed this tutorial and have successfully made a call to a Mastercard API using Postman. {#you-have-completed-this-tutorial-and-have-successfully-made-a-call-to-a-mastercard-api-using-postman}

Explore the full range of [Mastercard Checkout Solution APIs](https://developer.mastercard.com/mastercard-checkout-solutions/documentation/api-reference/index.md) to help your business transact with digital payments.

#### Need Help? {#need-help}

Get in touch with our friendly [support team](https://developer.mastercard.com/support).