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# API - Aug 3, 2016 - Kangaroo

Added

### New rate limiting feature

We have now activated rate limiting for the API. More info here. If you are likely to be impacted, you will have already been notified.

### New parameters for the reporting endpoint

We've added UserId and WalletId to the reporting endpoints.\


Changed

### Enhancements

-We've made various optimisations to the way transactions are handled, in a vary of cases - this improves reliablity and reduces responses times/error 500s\
-We've improved a constraint not allowing for refunds within 24h when the first refund actually failed\
-Add a constraint for GB bank accounts that requires 8 digits in the AccountNumber - the validation service we used already required this, but there were some cases where an incorrect length was possible