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

## Environment Domains {#environment-domains}

* Sandbox
* Production

```Sandbox
https://sandbox.api.mastercard.com/location-intelligence/places-locator/
```

```Production
https://api.mastercard.com/location-intelligence/places-locator/
```

Note: For list of sandbox data containing valid Places please click [here](https://static.developer.mastercard.com/content/places/uploads/places_sandbox_data.xlsx)

## API {#api}

Tip: While browsing the response bodies below, make sure to click the `model` tab for more details on the models used.
API Specification: `https://static.developer.mastercard.com/content/places/swagger/places-api-spec.yaml`

Note: In order to utilize the radius search functionality in the Places search you must provide a Latitude and Longitude.

## Next Steps {#next-steps}

1. Review the [Data Elements](https://developer.mastercard.com/places/documentation/tutorials-and-guides/data-elements/index.md) reference to understand every merchant location attribute returned by the endpoints above
2. See [Codes and Formats](https://developer.mastercard.com/places/documentation/codes-and-formats/index.md) for request/response value formats and error handling details
3. Explore [Places Use Cases](https://developer.mastercard.com/places/documentation/use-cases/index.md) to see how these endpoints are combined to solve real business scenarios