To manually add spends to customers, you can use the Client Portal. Client Portals can be found in your Contactreach settings.

The Client Portal is recommended to be used by restaurtant/business staff. Basically your can create a client portal account for the staff.

The staff can then log in to their client portal account by using the same Contactreach login URL that you use ( 

When logging in, this is what's first seen:

Now, to manually add spends to a customer (provided that the customer is an existing subscriber of any of the campaigns), simply enter their phone number (Search by phone) or their name (Search by name) in the search field then click Search. Then select the coupon connected to the Loyalty Campaign, enter the Bill total then click Submit. You can also enable the Add Checkin point if you want to add a point for check ins as well for the customer.