# Integration and Testing
source: https://developer.mastercard.com/track-search/documentation/integration-and-testing/index.md

## Ready to begin Testing? {#ready-to-begin-testing}

Tip: We recommend that you begin testing in the sandbox.

Once you have created a project on Mastercard Developers, generated sandbox credentials and received approvals, you can start testing.

## Mastercard Track Search Test Cases Tutorial {#mastercard-track-search-test-cases-tutorial}

Follow our [Tutorials and Guides](https://developer.mastercard.com/track-search/documentation/tutorials-guides/index.md) for help about Track Search service specific test case.

### Base URLs for Testing: {#base-urls-for-testing}

* Sandbox
* Production

```Sandbox
https://sandbox.api.mastercard.com/track/search/bulk-searches
```

```Production
https://api.mastercard.com/track/search/bulk-searches
```

## Method of testing Sandbox/Production: {#method-of-testing-sandboxproduction-br}

### Reference Application {#reference-application}

> * Our Spring Boot Reference Application acts as an API client and allows you to integrate different operations.
> * For detailed steps, follow our [Reference Application](https://developer.mastercard.com/track-search/documentation/reference-app/index.md).

## Next Steps {#next-steps}

* You can head to our [Reference Application](https://developer.mastercard.com/track-search/documentation/reference-app/index.md) page to download our Spring Boot Application that shows a typical usage of the Track Search API.
* To learn more about any error codes you receive, head over to our [Codes and Formats](https://developer.mastercard.com/track-search/documentation/code-and-formats/index.md) section to learn about the details of all the error codes.