# API Reference
source: https://developer.mastercard.com/mastercom/documentation/api-reference/index.md

Alert: Mastercard will be migrating from Entrust to DigiCert CA certificates, in response to the announcement made by Google and Mozilla to move away from Entrust CA. You are required to switch to DigiCert CA before March 24, 2025 in production to ensure a successful SSL handshake and avoid any service disruption. Refer to [GLB 11190.1 Mastercom API Migration to DigiCert Certificate Authority](https://trc-techresource.mastercard.com/r/bundle/m_an11190_en-us/page/d/en-US/) for more information.

## Environment Domains {#environment-domains}

Environment domains available :
* Sandbox
* Production

```Sandbox
https://sandbox.api.mastercard.com/mastercom
```

```Production
https://api.mastercard.com/mastercom
```

## API Reference {#api-reference}

## Mastercom Specification Version 6 {#mastercom-specification-version-6}


API Specification: `https://static.developer.mastercard.com/content/mastercom/swagger/mastercom-v6.yaml`

## Next Steps {#next-steps}

Now that you have a good understanding of all the services endpoints, proceed to [Developer Tools](https://developer.mastercard.com/mastercom/documentation/developer-tools/index.md) and [Testing](https://developer.mastercard.com/mastercom/documentation/testing/index.md) sections to learn how to integrate and make sure you are ready to begin testing.