data.id (usr_...) on YOUR side — card creation is done with this ID. A successful response is written to the {{user_id}} variable automatically.curl --location 'https://api.paylandcard.com/api/v1/users' \
--header 'X-Api-Key: {{api_key}}' \
--header 'X-Timestamp: {{timestamp}}' \
--header 'X-Signature: {{signature}}' \
--header 'Accept: application/json' \
--header 'Idempotency-Key: {{$guid}}' \
--header 'Content-Type: application/json' \
--data-raw '{
"first_name": "Ali",
"last_name": "Veli",
"email": "ali@firma.com",
"phone": "+905551112233",
"birthday": "1992-03-20",
"country": "TR",
"town": "TR-34-01",
"address": "Bagdat Cad. No:1 Kadikoy",
"post_code": "34710"
}'{
"data": {
"id": "usr_01kx0hq7p3y52m0fbwn4gftzht",
"first_name": "Ali",
"last_name": "Veli",
"email": "ali@firma.com",
"phone": "+905551112233",
"birthday": "1992-03-20",
"country": "TR",
"town": "TR-34-01",
"address": "Bagdat Cad. No:1 Kadikoy",
"post_code": "34710",
"status": "active",
"created_at": "2026-07-08T12:00:00+00:00"
},
"status": true
}