# Account Catalog Services API
source: https://developer.mastercard.com/account-catalog-services/documentation/api-reference/account-catalog-services-api/index.md

## Environment Domains {#environment-domains}

* Sandbox
* Production

```Sandbox
https://sandbox.api.mastercard.com/asc/acs-api
```

```Production
https://api.mastercard.com/asc/acs-api
```

## API {#api}

Note: It is recommended to use latest version of Account Catalog Services API `3.1.0`.
API Specification: `https://static.developer.mastercard.com/content/account-catalog-services/swagger/acs-api-swagger.yaml`


API Specification: `https://static.developer.mastercard.com/content/account-catalog-services/swagger/acs-api-swagger-deprecated.yaml`