The description of the flow can be found here: https://docs.sumsub.com/reference/get-started-with-api

1. Install composer locally according to the guide
2. Run composer install
3. Replace values of the SUMSUB_SECRET_KEY and SUMSUB_APP_TOKEN with your keys
4. Run php example.php

The next parts of documentation are covered in this example:

• Authorization
• Creating an applicant
• Adding a document to the applicant
• Getting applicant status
• Generating an access token