Please find the complete API documentation V2 in the link below:
https://developers.refinitiv.com/customer-and-third-party-screening/world-check-one-api/downloads
For the steps on how to screen cases. Please refer the below link:
https://developers.refinitiv.com/customer-and-third-party-screening/world-check-one-api/quick-start?content=54647&type=quick_start