curl --location --request POST 'https://client-api.dev.nudgescribe.com/v1/customer/check' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data-raw '{
"data_file": "title,gender,language,first_name,last_name,age,unique_id\nMr,M,english,James,Wilson,34,CU001847\nMs,F,spanish,Isabella,Rodriguez,28,CU002951\nDr,M,french,Pierre,Dubois,45,CU003672\nMrs,F,german,Anna,Müller,31,CU004385\nMr,M,japanese,Hiroshi,Tanaka,39,CU005129\nMs,F,portuguese,Lucia,Santos,26,CU006843\nProf,M,mandarin,Wei,Zhang,52,CU007256\nMrs,F,italian,Giulia,Rossi,33,CU008574\nMr,M,arabic,Omar,Al-Ahmad,41,CU009682\nMs,F,dutch,Emma,Van Der Berg,29,CU010397",
"customer_group_id": "your-customer-group-id",
"workspace_id": "your-workspace-id"
}'