On 31st of July Skype will be maintaining the payments system starting at 06:30 GMT and ending at 07:30 GMT.
Due to this maintenance there may be delays in processing Subscriptions and Auto-recharge payments.

UPDATE:There has been a little delay with the maintenance and it will starting at 09:15 GMT and will be ending at 12:15 GMT.

RESOLVED: This maintenance was completed at 1st of August at 11:25 GMT and all payments are working normally.