You can now update the card metadata object using a new API endpoint. This functionality enables developers to store and update information inside the card object making it easier to associate cards with your users.
Endpoint
PUT https://api.fidel.uk/cards/{cardId}/metadata
Path parameters
cardId: String (required)
Body
{ key: 'value' }(required)
For more details check the API Reference: https://reference.fidel.uk/reference/update-card-metadata.