curl --request POST \
--url https://api.linkio.world/transactions/v2/reg_wallet_address \
--header 'Content-Type: application/json' \
--header 'ngnc-sec-key: <api-key>' \
--data '
{
"network": "POLYGON",
"user_wallet_address": "<string>",
"user_name": "<string>"
}
'