For a deeper look into our World Check One API, look into:
Hi @casim
You can use the below payload in order to include the name transposition in your screening request.
{
"groupId": "{ {group-id}}",
"entityType": "INDIVIDUAL",
"caseId": "",
"providerTypes": [
"WATCHLIST"
],
"name": "John Smith",
"nameTransposition": true,
"secondaryFields": [],
"customFields": []
}