# Tutorials and Guides
source: https://developer.mastercard.com/mastercard-gateway/documentation/tutorials-and-guides/index.md

Integration

##### Integrate EMV 3-D Secure {#integrate-emv-3-d-secure}

EMV 3-D Secure is a messaging protocol that helps verify your identity when shopping online with a debit or credit card.
Learn more Implementation

##### Device Payment Processing {#device-payment-processing}

Enabling secure, real-time payment processing directly from a device.
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##### Use Multiple Payment Data Sources {#use-multiple-payment-data-sources}

Payment details for card payments provided in several API requests.
Learn more Versions

##### Migration Guides {#migration-guides}

Why You Should Upgrade to Mastercard Gateway API v100.
Learn more Integration

##### Get started with Mastercard Gateway APIs {#get-started-with-mastercard-gateway-apis}

Integration process from setup to going live.
Learn more Testing

##### Call Mastercard APIs using Mastercard Postman Collections {#call-mastercard-apis-using-mastercard-postman-collections}

Postman is an API platform for building and using APIs.
Learn more Testing

##### Test Mastercard APIs using Insomnia {#test-mastercard-apis-using-insomnia}

Insomnia is an API platform for building and using APIs.
Learn more Implementation

##### Make an API Request {#make-an-api-request}

Creating a browser-based API request and sending it to the Mastercard Gateway.
Learn more Note: Only **Mastercard licensed customers** that participate directly in the Mastercard payments ecosystem can register with Mastercard Academy. Read First

##### Mastercard Academy Essentials {#mastercard-academy-essentials}

Access training, learning paths, webinars, and certifications across security, compliance, fraud, and product domains.
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##### Mastercard Developers 101 {#mastercard-developers-101}

Explore the Products page and learn how each API category supports innovation in digital payments.
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##### Mastercard FAQs {#mastercard-faqs}

Get answers to the most common questions that our customers have about Mastercard systems and processes.
Learn more