API ReferenceCards
Update Card PIN
Rotate the PIN for a PIN-enabled card.
POST/open-api/v1/cards/{cardId}/pin
Available only when the card's BIN has supportPin: true. The new PIN must be 4 digits and cannot be all identical digits.
Path parameters
cardIdstringpathrequiredBody
newPinstringbodyrequired4 digits. All-identical PINs like 7777 or 0000 are rejected.
Response
successbooleancardIdstringmessagestringRequest
{
"newPin": "5678"
}Response
{
"code": 0,
"message": "SUCCESS",
"data": {
"success": true,
"cardId": "cid_1234567890",
"message": "PIN updated successfully"
}
}