curl --request POST \
  --url https://api.contro.me/v1/partner/cards \
  --header 'Content-Type: application/json' \
  --header 'x-contro-api-key: <api-key>' \
  --data '
{
  "cardholderId": "ch_abc123",
  "programId": "prog_xyz",
  "idempotencyKey": "issue_card_user42_2026"
}
'

{
  "id": "card_def456",
  "status": "created",
  "cardholderId": "ch_abc123",
  "programId": "prog_xyz"
}